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João Amaral was awarded his PhD. in Physics in 2009 at the University of Aveiro (UA), and currently holds a permanent position as Assistant Researcher at the Associated Laboratory CICECO at UA. He has dedicated most of his scientific career to the to the study of magnetism and magnetic materials, with particular focus in energy applications. He is co-author of over 100 scopus-indexed peer-reviewed scientific publications, with over 2000 citations and an h-index of 24. He was the invited Editor of Special Issues in AIP Advances (American Institute of Physics), Frontiers in Energy Research (Frontiers) and Journal of Magnetism and Magnetic Materials (Elsevier). He was the main supervisor of two PhD. students (finished 2020 and 2021), and is currently the main supervisor of three PhD. students (two with FCT funding) and the co-supervisor of another. He has coordinated competitive funded projects, including two FCT Exploratory Research Projects, an FCT-DAAD bi-lateral project with partner TU Darmstadt Germany, the local PI of an FCT IC&DT project, a national advanced computational research project, an EuroHPC computational project (850k CPU hours), was one of the seven research line coordinators of the 18M€ Bosch Thermotechnology - University of Aveiro Smart Green Homes Project and is the local PI of the recently approved EIC Pathfinder project MAGCCINE on magnetic refrigeration for vaccines. He was an invited researcher at the EXSS group at Imperial College London from 2013-2015, collaborating with multiple national and international research groups throughout his career, while prioritizing the mobility and internationalization of his research team. He is currently the coordinator of CICECO Group 2: Photonic, Electronic and Magnetic Materials.
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Identificação

Identificação pessoal

Nome completo
João Cunha de Sequeira Amaral

Nomes de citação

  • João Amaral
  • J. S. Amaral
  • João Sequeira Amaral

Identificadores de autor

Ciência ID
D310-14E3-EF54
ORCID iD
0000-0003-0488-9372
Researcher Id
C-6354-2009
Scopus Author Id
35326322300

Endereços de correio eletrónico

  • jamaral@ua.pt (Profissional)

Telefones

Telefone
  • 234370925 (Profissional)

Moradas

  • CICECO e Departamento de Física da Universidade de Aveiro. Departamento de Física, Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Aveiro, Portugal (Profissional)

Domínios de atuação

  • Ciências Exatas - Física - Física da Matéria Condensada
  • Ciências da Engenharia e Tecnologias - Engenharia dos Materiais - Engenharia dos Materiais

Idiomas

Idioma Conversação Leitura Escrita Compreensão Peer-review
Inglês Utilizador proficiente (C1) Utilizador proficiente (C1) Utilizador proficiente (C1) Utilizador proficiente (C1)
Francês Utilizador independente (B1) Utilizador independente (B1) Utilizador independente (B1) Utilizador independente (B1)
Espanhol; Castelhano Utilizador independente (B1) Utilizador independente (B1) Utilizador independente (B1) Utilizador independente (B1)
Formação
Grau Classificação
2009
Concluído
 Doutoramento em Física (Doutoramento)
Universidade de Aveiro, Portugal
"Studies on magnetocaloric and magnetic coupling effects" (TESE/DISSERTAÇÃO)
 Aprovado
2005
Concluído
 Mestrado em Ciência e Engenharia de Materiais (Mestrado)
Universidade de Aveiro, Portugal
"Estudo de Manganites Modificadas com Iões de Terra Rara" (TESE/DISSERTAÇÃO)
 Aprovado (média de 16 valores no ano escolar)
2002
Concluído
 Física - Ramo Científico (Licenciatura)
Universidade do Porto Faculdade de Ciências, Portugal
"Estudo experimental da dinâmica crítica do Iodeto de Rubídio e Betaína por espectroscopia Raman" (TESE/DISSERTAÇÃO)
 14
Percurso profissional

Ciência

Categoria Profissional
Instituição de acolhimento 		Empregador
2016/11/01 - Atual Investigador Auxiliar (carreira) (Investigação) Universidade de Aveiro CICECO, Portugal
2016/01/01 - 2016/10/31 Pós-doutorado (Investigação) Universidade de Aveiro CICECO, Portugal
Universidade de Aveiro CICECO, Portugal
2010/01/01 - 2015/12/31 Pós-doutorado (Investigação) Universidade de Aveiro CICECO, Portugal
Universidade de Aveiro CICECO, Portugal
2013/10/13 - 2015/10/13 Investigador visitante (Investigação) Imperial College London Faculty of Natural Sciences, Reino Unido
Imperial College London Department of Physics, Reino Unido

Docência no Ensino Superior

Categoria Profissional
Instituição de acolhimento 		Empregador
2010/09/27 - 2011/01/15 Professor Adjunto Convidado (Docente Ensino Superior Politécnico) Instituto Politécnico do Porto, Portugal
Instituto Politécnico do Porto, Portugal
2010/03/10 - 2010/06/30 Professor Adjunto Convidado (Docente Ensino Superior Politécnico) Instituto Politécnico do Porto, Portugal
Instituto Politécnico do Porto, Portugal
Projetos

Bolsa

Designação Financiadores
2013/03 - 2015/12 Facing the challenges of characterizing novel thermal materials and processes (Heat@UA)
128712
Provided by PTCRIS: 128712
 Fundação para a Ciência e a Tecnologia, I.P.
2011/03 - 2014/08 Micro and nanostructures with giant magnetostriction: production, optimization and application in multifunctional devices (Strictive4Device)
115125
Provided by PTCRIS: 115125
 Fundação para a Ciência e a Tecnologia, I.P.
2010/03 - 2013/09 MULTIFOX: Nanometric Probing and Modification of Multiferroic Oxides
105416
Provided by PTCRIS: 105416
 Fundação para a Ciência e a Tecnologia, I.P.
2010/01 - 2011/01 Research on Magnetic and Multiferroic Materials using Radioactive Isotopes at ISOLDE-CERN
Provided by PTCRIS: 109357
109357
 Fundação para a Ciência e a Tecnologia, I.P.
2005/05 - 2008/06 Materials science and fundamental research on nano-stratified rare earth based compounds for magnetic refrigeration and sensor applications-Unusual martensitic transitions driven by the electronic fluid.
61284
Provided by PTCRIS: 61284
 Fundação para a Ciência e a Tecnologia, I.P.

Projeto

Designação Financiadores
2021/02/01 - 2024/01/31 Demagnetizing-based magnetocaloric refrigeration
PTDC/EME-TED/3099/2020
Investigador
Universidade do Porto Faculdade de Ciências, Portugal
 Fundação para a Ciência e a Tecnologia, I.P.
Em curso
2017/06/12 - 2022/06/11 Novel computational tools for the design of magnetic materials for energy applications
IF/01089/2015/CP1302/CT0003
Investigador responsável
Universidade de Aveiro CICECO, Portugal
 Fundação para a Ciência e a Tecnologia, I.P.
Em curso
2020/03/01 - 2022/02/28 Magnetovolume and Spin Hybridization Optimized Magnetic Refrigerants
FCT/DAAD/2019
Investigador responsável
Universidade de Aveiro CICECO, Portugal

Technische Universitat Darmstadt, Alemanha
Em curso
2018/03/01 - 2021/08/31 Development of SMART nanostructured layers for sensing corrosion in AQUAtic structures
MARTERA/0004/2017
Investigador
Universidade de Aveiro CICECO, Portugal
 Fundação para a Ciência e a Tecnologia, I.P.
2021/02 - 2021/04 Scalability of a novel Monte-Carlo method in the study of Ising lattices
FCT/CPCA/2020/01
Investigador responsável
Universidade de Aveiro CICECO, Portugal
Em curso
2016 - 2021 Smart Green Homes
POCI-01-0247-FEDER-007678
Investigador
Universidade de Aveiro, Portugal
 Agência Nacional de Inovação SA
Em curso
2014/02/01 - 2015/07/31 Exploring nano-fabrication methods of high coercivity rare-earth free Si-Alnico permanent magnets
Provided by PTCRIS: 134639
134639
Investigador responsável
Universidade de Aveiro CICECO, Portugal
 Fundação para a Ciência e a Tecnologia, I.P.
Concluído
Produções

Publicações

Artigo em conferência
  1. T. Santos; J. S. Amaral; V. S. Amaral; V. A. F. Costa. "Thermal Anisotropy of Natural Cork". Trabalho apresentado em CSA2023 – Cork in Science and Applications, Espinho, 2023.
    Publicado
  2. R. Bernardo; Marco P. Soares dos Santos; António Manuel Ramos; Jorge A. F Ferreira; João Sequeira Amaral. "Sistema híbrido indutivo-capacitivo para operações de estimulação e monitorização em implantes instrumentados". Trabalho apresentado em 7th Congresso Nacional de Biomecânica (CNB2021), Porto, 2021.
    Publicado
  3. Bessa, C.V.X.; Ferreira, L.D.R.; Gama, S.; Santos, T.; Amaral, J.S.; Costa, V.A.F.; Amaral, V.S.; Horikawa, O.. "Optimization of heat exchange in magnetic refrigerators and thermomagnetic motors". 2016.
    10.18462/iir.thermag.2016.0145
  4. Amaral, J.S.; Fortunato, N.M.; Amorim, C.O.; Gonçalves, J.N.; Amaral, V.S.. "Giant magnetocaloric effect of compressible ising and heisenberg lattices". 2016.
    10.18462/iir.thermag.2016.0200
  5. Turcaud, J.A.; Morrison, K.; Pereira, A.M.; Amaral, J.S.; Berenov, A.; Daoudaladine, A.; Sandeman, K.G.; Cohen, L.F.. "Magnetocaloric effects in manganites revisited". 2011.
  6. Lourenço, A.C.; Figueiras, F.; Das, S.; Amaral, J.S.; Kakazei, G.N.; Karpinsky, D.V.; Soares, N.; et al. "Low temperature deposition of ferromagnetic Ni-Mn-Ga thin films from two different targets via Rf magnetron sputtering". 2010.
Artigo em revista
  1. Almeida, R.; Freitas, S.C.; Fernandes, C.R.; Kiefe, R.; Araújo, J.P.; Amaral, J.S.; Ventura, J.O.; Belo, J.H.; Silva, D.J.. "Rotating magnetocaloric effect in polycrystals—harnessing the demagnetizing effect". JPhys Energy 6 1 (2024): http://www.scopus.com/inward/record.url?eid=2-s2.0-85183140977&partnerID=MN8TOARS.
    10.1088/2515-7655/ad1c61
  2. Valente, G.; Ferreira, P.; Hernández-Rodríguez, M.A.; Brites, C.D.S.; Amaral, J.S.; Zelenovskii, P.; Paz, F.A.A.; et al. "Exploring the Luminescence, Redox, and Magnetic Properties in a Multivariate Metal-Organic Radical Framework". Chemistry of Materials 36 3 (2024): 1333-1341. http://www.scopus.com/inward/record.url?eid=2-s2.0-85184020533&partnerID=MN8TOARS.
    10.1021/acs.chemmater.3c02460
  3. Pereira, C.S.; Almeida, R.; Kiefe, R.; Amorim, C.; Silva, D.J.; Amaral, J.S.; Belo, J.H.. "Complete thermodynamic characterization of second-order phase transition magnetocaloric materials exclusively through magnetometry". Journal of Alloys and Compounds 976 (2024): http://www.scopus.com/inward/record.url?eid=2-s2.0-85181106930&partnerID=MN8TOARS.
    10.1016/j.jallcom.2023.173290
  4. Tiago Santos; Miguel Belbut; João Amaral; Vitor Amaral; Nelson Ferreira; Nuno Alves; Paula Pascoal-Faria. "Insights into Temperature Simulation and Validation of Fused Deposition Modeling Processes". Journal of Manufacturing and Materials Processing (2023): https://doi.org/10.3390/jmmp7060189.
    10.3390/jmmp7060189
  5. Pereira, M.J.; Santos, T.; Correia, R.; Amaral, J.S.; Amaral, V.S.; Fabbrici, S.; Albertini, F.. "Mapping the magnetocaloric effect at the microscale on a ferromagnetic shape memory alloy with infrared thermography". JPhys Materials 6 2 (2023): http://www.scopus.com/inward/record.url?eid=2-s2.0-85151512461&partnerID=MN8TOARS.
    10.1088/2515-7639/acc13b
  6. Horta, A.C.; Amorim, C.O.; Soares, S.F.; Bañobre-López, M.; Daniel-da-Silva, A.L.; Trindade, T.; Amaral, J.S.. "High yttrium retention in magnetite nanoparticles functionalized with hybrid silica-dextran shells". Nano-Structures and Nano-Objects 36 (2023): http://www.scopus.com/inward/record.url?eid=2-s2.0-85177783443&partnerID=MN8TOARS.
    10.1016/j.nanoso.2023.101065
  7. Amaral, J.S.; Amaral, V.S.. "Simulating the giant magnetocaloric effect-from mean-field theory to microscopic models". Frontiers in Materials 10 (2023): http://www.scopus.com/inward/record.url?eid=2-s2.0-85148329427&partnerID=MN8TOARS.
    10.3389/fmats.2023.1037396
  8. Belo, J.H.; Amaral, J.S.; Ventura, J.O.. "Near room-temperature thermomagnetic energy harvesting". Europhysics News 54 3 (2023): 20-23. http://www.scopus.com/inward/record.url?eid=2-s2.0-85163422325&partnerID=MN8TOARS.
    10.1051/epn/2023302
  9. Tiago Fernandes; Helena I. S. Nogueira; Carlos O. Amorim; João S. Amaral; Ana L. Daniel-da-Silva; Tito Trindade. "Chemical Strategies for Dendritic Magneto-plasmonic Nanostructures Applied to Surface-Enhanced Raman Spectroscopy". Chemistry – A European Journal (2022): https://doi.org/10.1002/chem.202202382.
    10.1002/chem.202202382
  10. Tiago Fernandes; Helena I. S. Nogueira; Carlos O. Amorim; João S. Amaral; Ana L. Daniel-da-Silva; Tito Trindade. "Front Cover: Chemical Strategies for Dendritic Magneto-plasmonic Nanostructures Applied to Surface-Enhanced Raman Spectroscopy (Chem. Eur. J. 61/2022)". Chemistry – A European Journal (2022): https://doi.org/10.1002/chem.202203092.
    10.1002/chem.202203092
  11. Antonio P. Lopes; Vitor A. F. Costa; Joao S. Amaral. "Thermal Response of Magnetic Refrigerants: Combined Effect of Temperature Dependent Specific Heat and Thermal Conductivity". Applied Sciences (2022): https://doi.org/10.3390/app12136581.
    10.3390/app12136581
  12. Fleming, R.O.; Gonçalves, S.; Davarpanah, A.; Radulov, I.; Pfeuffer, L.; Beckmann, B.; Skokov, K.; et al. "Tailoring Negative Thermal Expansion via Tunable Induced Strain in La-Fe-Si-Based Multifunctional Material". ACS Applied Materials and Interfaces 14 38 (2022): 43498-43507. http://www.scopus.com/inward/record.url?eid=2-s2.0-85138639522&partnerID=MN8TOARS.
    10.1021/acsami.2c11586
  13. Pullar, R.C.; Galizia, P.; Migliano, A.C.C.; Amaral, J.S.; Galassi, C.; Carvalho, F.E.. "The ferromagnetic resonance (FMR) of SrZ hexaferrite (Sr3Co2Fe24O41), and the tuning of FMR with an external magnetic field". Ceramics International (2022): http://www.scopus.com/inward/record.url?eid=2-s2.0-85142788077&partnerID=MN8TOARS.
    10.1016/j.ceramint.2022.11.264
  14. Almeida, R.; Amorim, C.; Amaral, J.S.; Araújo, J.P.; Belo, J.H.. "Direct Measurement of the Magnetocaloric Effect through Time-Dependent Magnetometry". Physical Review Applied 18 2 (2022): http://www.scopus.com/inward/record.url?eid=2-s2.0-85137701774&partnerID=MN8TOARS.
    10.1103/PhysRevApplied.18.024081
  15. Rodrigues, A.F.M.; Torres, P.M.C.; Barros, M.J.S.; Presa, R.; Ribeiro, N.; Abrantes, J.C.C.; Belo, J.H.; et al. "Effective production of multifunctional magnetic-sensitive biomaterial by an extrusion-based additive manufacturing technique". Biomedical Materials (Bristol) 16 1 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85098509522&partnerID=MN8TOARS.
    10.1088/1748-605X/abac4c
  16. Amaral, C.; Silva, T.; Mohseni, F.; Amaral, J.S.; Amaral, V.S.; Marques, P.A.A.P.; Barros-Timmons, A.; Vicente, R.. "Experimental and numerical analysis of the thermal performance of polyurethane foams panels incorporating phase change material". Energy 216 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85096196039&partnerID=MN8TOARS.
    10.1016/j.energy.2020.119213
  17. Soares, S.F.; Amorim, C.O.; Amaral, J.S.; Trindade, T.; Daniel-Da-Silva, A.L.. "On the efficient removal, regeneration and reuse of quaternary chitosan magnetite nanosorbents for glyphosate herbicide in water". Journal of Environmental Chemical Engineering 9 3 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85100919424&partnerID=MN8TOARS.
    10.1016/j.jece.2021.105189
  18. Pereira, M.J.; Santos, T.; Correia, R.; Amaral, J.S.; Amaral, V.S.; Fabbrici, S.; Albertini, F.. "Direct measurement and imaging of magnetocaloric effect inhomogeneities at the microscale in Ni44Co6Mn30Ga20 with infrared thermography". Journal of Magnetism and Magnetic Materials 538 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85111322453&partnerID=MN8TOARS.
    10.1016/j.jmmm.2021.168283
  19. Amorim, C.O.; Mohseni, F.; Dumas, R.K.; Amaral, V.S.; Amaral, J.S.. "A geometry-independent moment correction method for the MPMS3 SQUID-based magnetometer". Measurement Science and Technology 32 10 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85111088690&partnerID=MN8TOARS.
    10.1088/1361-6501/ac0d23
  20. Davarpanah, A.; Radulov, I.; Shayanfar, N.; Maccari, F.; Skokov, K.; Amaral, J.; Gutfleisch, O.. "The impact of Pr and Nd substitution on structure, hysteresis and magnetocaloric properties of La1-x (Pr,Nd)x Fe11.6Si1.4". Journal of Physics D: Applied Physics 54 22 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85103127329&partnerID=MN8TOARS.
    10.1088/1361-6463/abea3c
  21. Amorim, C.O.; Amaral, J.S.; Amaral, V.S.. "Enhanced strain-induced magnetoelectric coupling in polarization-free Fe/BaTiO3heterostructures". Physical Chemistry Chemical Physics 23 30 (2021): 16053-16059. http://www.scopus.com/inward/record.url?eid=2-s2.0-85113133181&partnerID=MN8TOARS.
    10.1039/d1cp00885d
  22. Medeiros, M.S.A.; Coondoo, I.; Oliveira, F.J.S.; Kholkin, A.L.; Amaral, J.S.; Pullar, R.C.. "Synthesis and characterisation of lead free BaFe12O19 –(K0.5Na0.5)NbO3 magnetoelectric composites, and the comparison of various synthetic routes". Journal of Alloys and Compounds 883 (2021): http://www.scopus.com/inward/record.url?eid=2-s2.0-85108878960&partnerID=MN8TOARS.
    10.1016/j.jallcom.2021.160819
  23. Nogueira, J.; Soares, S.F.; Amorim, C.O.; Amaral, J.S.; Silva, C.; Martel, F.; Trindade, T.; Daniel-Da-Silva, A.L.. "Magnetic driven nanocarriers for pH-responsive doxorubicin release in cancer therapy". Molecules 25 2 (2020): http://www.scopus.com/inward/record.url?eid=2-s2.0-85078015021&partnerID=MN8TOARS.
    10.3390/molecules25020333
  24. Amaral, C.; Pinto, S.C.; Silva, T.; Mohseni, F.; Amaral, J.S.; Amaral, V.S.; Marques, P.A.A.P.; Barros-Timmons, A.; Vicente, R.. "Development of polyurethane foam incorporating phase change material for thermal energy storage". Journal of Energy Storage 28 (2020): http://www.scopus.com/inward/record.url?eid=2-s2.0-85077456440&partnerID=MN8TOARS.
    10.1016/j.est.2019.101177
  25. Amorim, C.O.; Gonçalves, J.N.; Amaral, V.S.; Amaral, J.S.. "In-Silico Thermodynamic Description of Heusler Compounds Applied to Magnetocalorics by Monte Carlo Simulations Starting from Ab-Initio". European Journal of Inorganic Chemistry 2020 14 (2020): 1271-1277. http://www.scopus.com/inward/record.url?eid=2-s2.0-85081963642&partnerID=MN8TOARS.
    10.1002/ejic.202000046
  26. Amorim, C.O.; Gonçalves, J.N.; Amaral, J.S.; Amaral, V.S.. "Changing the magnetic states of an Fe/BaTiO3interface through crystal field effects controlled by strain". Physical Chemistry Chemical Physics 22 32 (2020): 18050-18059. http://www.scopus.com/inward/record.url?eid=2-s2.0-85089922265&partnerID=MN8TOARS.
    10.1039/d0cp01087a
  27. Amaral, C.; Gama, N.V.; Mohseni, F.; Amaral, J.S.; Amaral, V.S.; Marques, P.A.A.P.; Barros-Timmons, A.; Vicente, R.. "Development of structural layers PVC incorporating phase change materials for thermal energy storage". Applied Thermal Engineering 179 (2020): http://www.scopus.com/inward/record.url?eid=2-s2.0-85088100393&partnerID=MN8TOARS.
    10.1016/j.applthermaleng.2020.115707
  28. Mohseni, F.; Pullar, R.C.; Vieira, J.M.; Amaral, J.S.. "Bonded ferrite-based exchange-coupled nanocomposite magnet produced by Warm compaction". Journal of Physics D: Applied Physics 53 49 (2020): http://www.scopus.com/inward/record.url?eid=2-s2.0-85091648556&partnerID=MN8TOARS.
    10.1088/1361-6463/abb0bd
  29. Silva, D.J.; Amaral, J.S.; Amaral, V.S.. "Broad Multi-Parameter Dimensioning of Magnetocaloric Systems Using Statistical Learning Classifiers". Frontiers in Energy Research 8 (2020): http://www.scopus.com/inward/record.url?eid=2-s2.0-85087481592&partnerID=MN8TOARS.
    10.3389/fenrg.2020.00121
  30. El Foulani, A.-H.; Aamouche, A.; Mohseni, F.; Amaral, J.S.; Tobaldi, D.M.; Pullar, R.C.. "Effect of surfactants on the optical and magnetic properties of cobalt-zinc ferrite Co0.5Zn0.5Fe2O4". Journal of Alloys and Compounds 774 (2019): 1250-1259. http://www.scopus.com/inward/record.url?eid=2-s2.0-85054720777&partnerID=MN8TOARS.
    10.1016/j.jallcom.2018.09.393
  31. Silva, D.J.; Ventura, J.; Amaral, J.S.; Amaral, V.S.. "Enhancing the temperature span of thermal switch-based solid state magnetic refrigerators with field sweeping". International Journal of Energy Research 43 2 (2019): 742-748. http://www.scopus.com/inward/record.url?eid=2-s2.0-85056397346&partnerID=MN8TOARS.
    10.1002/er.4264
  32. Soares, S.F.; Rocha, M.J.; Ferro, M.; Amorim, C.O.; Amaral, J.S.; Trindade, T.; Daniel-da-Silva, A.L.. "Magnetic nanosorbents with siliceous hybrid shells of alginic acid and carrageenan for removal of ciprofloxacin". International Journal of Biological Macromolecules 139 (2019): 827-841. http://www.scopus.com/inward/record.url?eid=2-s2.0-85070407395&partnerID=MN8TOARS.
    10.1016/j.ijbiomac.2019.08.030
  33. Silva, D.J.; Davarpanah, A.; Amaral, J.S.; Amaral, V.S.. "Temperature dependent thermal conductivity of magnetocaloric materials: Impact assessment on the performance of active magnetic regenerative refrigerators,Conductivité thermique des matériaux magnétocaloriques en fonction de la température: Evaluation de l'impact sur les performances des réfrigérateurs à régénération magnétique active". International Journal of Refrigeration 106 (2019): 181-187. http://www.scopus.com/inward/record.url?eid=2-s2.0-85070512943&partnerID=MN8TOARS.
    10.1016/j.ijrefrig.2019.06.016
  34. Baghizadeh, A.; Mirzadeh Vaghefi, P.; Alikin, D.O.; Amaral, J.S.; Amaral, V.S.; Vieira, J.M.. "Link of Weak Ferromagnetism to Emergence of Topological Vortices in Bulk Ceramics of h-LuMnxO3 Manganite". Journal of Physical Chemistry C 123 10 (2019): 6158-6166. http://www.scopus.com/inward/record.url?eid=2-s2.0-85062940112&partnerID=MN8TOARS.
    10.1021/acs.jpcc.8b11253
  35. Carvalheiras, J.; Novais, R.M.; Mohseni, F.; Amaral, J.S.; Seabra, M.P.; Labrincha, J.A.; Pullar, R.C.. "Synthesis of red mud derived M-type barium hexaferrites with tuneable coercivity". Ceramics International (2019): http://www.scopus.com/inward/record.url?eid=2-s2.0-85075425717&partnerID=MN8TOARS.
    10.1016/j.ceramint.2019.11.025
  36. Caraballo-Vivas, R.J.; Tedesco, J.C.G.; Checca, N.R.; Fortunato, N.M.; Gonçalves, J.N.; Sanchez, D.R.; Carvalho, A.M.G.; Amaral, J.S.; Reis, M.S.. "Experimental and theoretical evidences that atomic disorder suppresses half-metallicity of Heusler compounds". Intermetallics 111 (2019): http://www.scopus.com/inward/record.url?eid=2-s2.0-85065921201&partnerID=MN8TOARS.
    10.1016/j.intermet.2019.106502
  37. Silva, D.J.; Amaral, J.S.; Amaral, V.S.. "Cooling by sweeping: A new operation method to achieve ferroic refrigeration without fluids or thermally switchable components,Refroidissement par balayage: Une nouvelle méthode pour obtenir du froid ferroïque sans fluides ou composants thermiquement commutables". International Journal of Refrigeration 101 (2019): 98-105. http://www.scopus.com/inward/record.url?eid=2-s2.0-85062803418&partnerID=MN8TOARS.
    10.1016/j.ijrefrig.2019.02.029
  38. Mohseni, F.; Pullar, R.C.; Vieira, J.M.; Amaral, J.S.. "Enhancement of maximum energy product in exchange-coupled BaFe12O19/Fe3O4 core-shell-like nanocomposites". Journal of Alloys and Compounds 806 (2019): 120-126. http://www.scopus.com/inward/record.url?eid=2-s2.0-85069819293&partnerID=MN8TOARS.
    10.1016/j.jallcom.2019.07.162
  39. Ben-Arfa, B.A.E.; Mohseni, F.; Miranda Salvado, I.M.; Ferreira, J.M.F.; Amaral, J.S.; Pullar, R.C.. "Octylamine as a novel fuel for the preparation of magnetic iron oxide particles by an aqueous auto–ignition method". Journal of Alloys and Compounds 805 (2019): 545-550. http://www.scopus.com/inward/record.url?eid=2-s2.0-85068821514&partnerID=MN8TOARS.
    10.1016/j.jallcom.2019.07.110
  40. Silva, D.J.; Amaral, J.S.; Amaral, V.S.. "Modeling and computing magnetocaloric systems using the Python framework heatrapy,Modélisation et calcul de systèmes magnétocaloriques à l'aide de la structure logicielle Python «heatrapy»". International Journal of Refrigeration 106 (2019): 278-282. http://www.scopus.com/inward/record.url?eid=2-s2.0-85070505980&partnerID=MN8TOARS.
    10.1016/j.ijrefrig.2019.06.014
  41. Amorim, C.O.; Amaral, J.S.; Gonçalves, J.N.; Amaral, V.S.. "Electric Field Induced Room Temperature Null to High Spin State Switching: A Computational Prediction". Advanced Theory and Simulations 2 4 (2019): http://www.scopus.com/inward/record.url?eid=2-s2.0-85088914075&partnerID=MN8TOARS.
    10.1002/adts.201900005
  42. Bernardo, R.; Rodrigues, A.; Soares dos Santos, M.P.; Carneiro, P.; Lopes, A.; Sequeira Amaral, J.; Sequeira Amaral, V.; Morais, R.. "Novel magnetic stimulation methodology for low-current implantable medical devices". Medical Engineering and Physics 73 (2019): 77-84. http://www.scopus.com/inward/record.url?eid=2-s2.0-85071501761&partnerID=MN8TOARS.
    10.1016/j.medengphy.2019.07.015
  43. Silva, D.J.; Amaral, J.S.; Amaral, V.S.. "Heatrapy: A flexible Python framework for computing dynamic heat transfer processes involving caloric effects in 1.5D systems". SoftwareX 7 (2018): 373-382. http://www.scopus.com/inward/record.url?eid=2-s2.0-85056777704&partnerID=MN8TOARS.
    10.1016/j.softx.2018.09.007
  44. Pinho, S.L.C.; Amaral, J.S.; Wattiaux, A.; Duttine, M.; Delville, M.-H.; Geraldes, C.F.G.C.. "Synthesis and Characterization of Rare-Earth Orthoferrite LnFeO3 Nanoparticles for Bioimaging". European Journal of Inorganic Chemistry 2018 31 (2018): 3570-3578. http://www.scopus.com/inward/record.url?eid=2-s2.0-85052139165&partnerID=MN8TOARS.
    10.1002/ejic.201800468
  45. Davarpanah, A.; Belo, J.H.; Amaral, V.S.; Amaral, J.S.. "On the Optimization of Magneto-Volume Coupling for Practical Applied Field Magnetic Refrigeration". Physica Status Solidi (B) Basic Research (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85056346302&partnerID=MN8TOARS.
    10.1002/pssb.201800419
  46. Checca, N.R.; Caraballo-Vivas, R.J.; Coelho, A.A.; Rossi, A.; Fortunato, N.M.; Mohseni, F.; Gonçalves, J.N.; et al. "Experimental realisation of off-stoichiometric Fe-Mn-Si full Heusler alloy with hexagonal crystal structure by pulsed laser deposition". Materials and Design 143 (2018): 268-273. http://www.scopus.com/inward/record.url?eid=2-s2.0-85041731740&partnerID=MN8TOARS.
    10.1016/j.matdes.2018.01.062
  47. Belo, J.H.; Barbosa, M.B.; Pires, A.L.; Costa, R.M.; Teixeira, J.G.V.; Silva, J.; Algarabel, P.A.; et al. "Insights on the origin of the Tb5Ge4 magnetocaloric effect". Physica B: Condensed Matter 513 (2017): 72-76. http://www.scopus.com/inward/record.url?eid=2-s2.0-85014617401&partnerID=MN8TOARS.
    10.1016/j.physb.2017.03.009
  48. Gonçalves, J.N.; Fortunato, N.M.; Amaral, J.S.; Amaral, V.S.. "Volume dependence of magnetic properties in Co2Cr1-xYxGa (Y=Ti-Ni) Heusler alloys: A first-principles study". Journal of Magnetism and Magnetic Materials 428 (2017): 362-367. http://www.scopus.com/inward/record.url?eid=2-s2.0-85007345271&partnerID=MN8TOARS.
    10.1016/j.jmmm.2016.12.102
  49. Tkach, A.; Amaral, J.S.; Amaral, V.S.; Vilarinho, P.M.. "Dielectric spectroscopy and magnetometry investigation of Gd-doped strontium titanate ceramics". Journal of the European Ceramic Society 37 6 (2017): 2391-2397. http://www.scopus.com/inward/record.url?eid=2-s2.0-85012028863&partnerID=MN8TOARS.
    10.1016/j.jeurceramsoc.2017.02.011
  50. Tkach, A.; Amaral, J.S.; Zlotnik, S.; Amaral, V.S.; Vilarinho, P.M.. "Enhancement of the dielectric permittivity and magnetic properties of Dy substituted strontium titanate ceramics". Journal of the European Ceramic Society (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85029486647&partnerID=MN8TOARS.
    10.1016/j.jeurceramsoc.2017.09.007
  51. Mohseni, F.; Baghizadeh, A.; Lourenço, A.A.C.S.; Pereira, M.J.; Amaral, V.S.; Vieira, J.M.; Amaral, J.S.. "Interdiffusion Processes in High-Coercivity RF-Sputtered Alnico Thin Films on Si Substrates". JOM 69 8 (2017): 1427-1431. http://www.scopus.com/inward/record.url?eid=2-s2.0-85019732361&partnerID=MN8TOARS.
    10.1007/s11837-017-2382-y
  52. Costa, R.M.; Belo, J.H.; Barbosa, M.B.; Algarabel, P.A.; Magén, C.; Morellón, L.; Ibarra, M.R.; et al. "On the nature of the (de)coupling of the magnetostructural transition in Er5Si4". Physica Status Solidi (B) Basic Research 254 10 (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85021283899&partnerID=MN8TOARS.
    10.1002/pssb.201700143
  53. Baghizadeh, A.; Vieira, J.M.; Stroppa, D.G.; Vaghefi, P.M.; Graça, M.P.; Amaral, J.S.; Willinger, M.-G.; Amaral, V.S.. "Interaction of multiferroic properties and interfaces in hexagonal LuMnO3 ceramics". Journal of Physics D: Applied Physics 50 5 (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85010034553&partnerID=MN8TOARS.
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  54. Sotelo, A.; Costa, F.M.; Ferreira, N.M.; Kovalevsky, A.; Ferro, M.C.; Amaral, V.S.; Amaral, J.S.; et al. "Tailoring Ca3Co4O9 microstructure and performances using a transient liquid phase sintering additive". Journal of the European Ceramic Society 36 4 (2016): 1025-1032. http://www.scopus.com/inward/record.url?eid=2-s2.0-84955118323&partnerID=MN8TOARS.
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  55. Korotana, R.K.; Mallia, G.; Fortunato, N.M.; Amaral, J.S.; Gercsi, Z.; Harrison, N.M.. "A combined thermodynamics and first principles study of the electronic, lattice and magnetic contributions to the magnetocaloric effect in La0.75Ca0.25MnO3". Journal of Physics D: Applied Physics 49 28 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-84978044398&partnerID=MN8TOARS.
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  56. Pereira, M.J.; Amaral, J.S.; Silva, N.J.O.; Amaral, V.S.. "Scanning thermal microscopy: Nano-localized thermal analysis and mapping of surface and subsurface thermal properties". Microscopy and Microanalysis 22 (2016): 2-3. http://www.scopus.com/inward/record.url?eid=2-s2.0-85014526160&partnerID=MN8TOARS.
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  57. Vieira, J.M.; Baghizadeh, A.; Amaral, J.S.; Gonçalves, J.N.; Almeida, B.A.; Willinger, M-G.; Amaral, V.S.. "Assessing segregation effects on multiferroic properties of antiferromagneticweak ferromagnetic coupled systems by analytical HRTEM". Microscopy and Microanalysis 22 (2016): 58-59. http://www.scopus.com/inward/record.url?eid=2-s2.0-85014440813&partnerID=MN8TOARS.
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  58. Pereira, M.J.; Amaral, J.S.; Silva, N.J.O.; Amaral, V.S.. "Nano-localized thermal analysis and mapping of surface and sub-surface thermal properties using Scanning Thermal Microscopy (SThM)". Microscopy and Microanalysis 22 6 (2016): 1270-1280. http://www.scopus.com/inward/record.url?eid=2-s2.0-84996721559&partnerID=MN8TOARS.
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  59. Yahyaoui, S.; Khalfaoui, M.; Kallel, S.; Kallel, N.; Amaral, J.S.; Ben Lamine, A.. "Modeling the magnetic properties and magnetocaloric effect of La0.7Sr0.3Mn0.9Ti0.1O3". Journal of Alloys and Compounds 685 (2016): 633-638. http://www.scopus.com/inward/record.url?eid=2-s2.0-84975510431&partnerID=MN8TOARS.
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  60. Madre, M.A.; Costa, F.M.; Ferreira, N.M.; Costa, S.I.R.; Rasekh, S.; Torres, M.A.; Diez, J.C.; et al. "High thermoelectric performance in Bi2-xPbxBa2Co2Oy promoted by directional growth and annealing". Journal of the European Ceramic Society 36 1 (2016): 67-74. http://www.scopus.com/inward/record.url?eid=2-s2.0-84944463127&partnerID=MN8TOARS.
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  61. Novais, R.M.; Seabra, M.P.; Amaral, J.S.; Pullar, R.C.. "Hidden value in low-cost inorganic pigments as potentially valuable magnetic materials". Ceramics International 42 8 (2016): 9605-9612. http://www.scopus.com/inward/record.url?eid=2-s2.0-84960193390&partnerID=MN8TOARS.
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  62. Oumezzine, M.; Amaral, J.S.; Mompean, F.J.; Hernández, M.G.. "Structural, magnetic, magneto-transport properties and Bean-Rodbell model simulation of disorder effects in Cr3+ substituted La0.67Ba0.33MnO3 nanocrystalline synthesized by modified Pechini method". RSC Advances 6 38 (2016): 32193-32201. http://www.scopus.com/inward/record.url?eid=2-s2.0-84963751417&partnerID=MN8TOARS.
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  63. Figueiras, F.G.; Amorim, C.O.; Amaral, J.; Moreira, J.A.; Tavares, P.B.; Alves, E.; Amaral, V.S.. "Magnetoelectric effect probe through ppm Fe doping in BaTiO3". Journal of Alloys and Compounds 661 (2016): 495-500. http://www.scopus.com/inward/record.url?eid=2-s2.0-84954290434&partnerID=MN8TOARS.
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  64. Karmaoui, M.; Amaral, J.S.; Lajaunie, L.; Puliyalil, H.; Tobaldi, D.M.; Pullar, R.C.; Labrincha, J.A.; Arenal, R.; Cvelbar, U.. "Smallest Bimetallic CoPt3 Superparamagnetic Nanoparticles". Journal of Physical Chemistry Letters 7 20 (2016): 4039-4046. http://www.scopus.com/inward/record.url?eid=2-s2.0-84992169451&partnerID=MN8TOARS.
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  65. Pullar, R.C.; Saeli, M.; Novais, R.M.; Amaral, J.S.; Labrincha, J.A.. "Valorisation of industrial iron oxide waste to produce magnetic barium hexaferrite". ChemistrySelect 1 4 (2016): 819-825. http://www.scopus.com/inward/record.url?eid=2-s2.0-85031787626&partnerID=MN8TOARS.
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  66. Yahyaoui, S.; Khalfaoui, M.; Kallel, S.; Kallel, N.; Amaral, J.S.; Ben Lamine, A.. "Modeling the magnetic isotherms of (La0.56Ce0.14)Sr0.30MnO3 by a mean-field scaling method and estimation of magnetic entropy change". Journal of Magnetism and Magnetic Materials 393 (2015): 105-109. http://www.scopus.com/inward/record.url?eid=2-s2.0-84930505504&partnerID=MN8TOARS.
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  67. Baghizadeh, A.; Vieira, J.M.; Amaral, J.S.; Graça, M.P.; Soares, M.R.; Mota, D.A.; Amaral, V.S.. "Crystal structure, magnetic and dielectric behavior of h-LuMnxO3±d ceramics (0.95=x=1.04)". Journal of Magnetism and Magnetic Materials 395 (2015): 303-311. http://www.scopus.com/inward/record.url?eid=2-s2.0-84938575218&partnerID=MN8TOARS.
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  68. Amorim, C.O.; Figueiras, F.; Amaral, J.S.; Vaghefi, P.M.; Tavares, P.B.; Correia, M.R.; Baghizadeh, A.; et al. "Peculiar Magnetoelectric Coupling in BaTiO3:Fe113 ppm Nanoscopic Segregations". ACS Applied Materials and Interfaces 7 44 (2015): 24741-24747. http://www.scopus.com/inward/record.url?eid=2-s2.0-84947080367&partnerID=MN8TOARS.
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  69. Turcaud, J.A.; Pereira, A.M.; Sandeman, K.G.; Amaral, J.S.; Morrison, K.; Berenov, A.; Daoud-Aladine, A.; Cohen, L.F.. "Spontaneous magnetization above TC in polycrystalline La0.7 Ca0.3 MnO3 and La0.7 Ba0.3 MnO3". Physical Review B - Condensed Matter and Materials Physics 90 2 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84904678009&partnerID=MN8TOARS.
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  70. Pullar, R.C.; Hajjaji, W.; Amaral, J.S.; Seabra, M.P.; Labrincha, J.A.. "Magnetic properties of ferrite ceramics made from wastes". Waste and Biomass Valorization 5 1 (2014): 133-138. http://www.scopus.com/inward/record.url?eid=2-s2.0-84896747557&partnerID=MN8TOARS.
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  71. Pullar, R.C.; Marques, P.; Amaral, J.; Labrincha, J.A.. "Magnetic wood-based biomorphic Sr3Co2Fe24O41 Z-type hexaferrite ecoceramics made from cork templates". Materials and Design (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84925710298&partnerID=MN8TOARS.
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  81. Teferi, M.Y.; Amaral, V.S.; Lounrenco, A.C.; Das, S.; Amaral, J.S.; Karpinsky, D.V.; Soares, N.; et al. "Magnetoelectric coupling in multiferroic heterostructure of rf-sputtered NiMnGa thin film on PMNPT". Journal of Magnetism and Magnetic Materials 324 11 (2012): 1882-1886. http://www.scopus.com/inward/record.url?eid=2-s2.0-84863404171&partnerID=MN8TOARS.
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  82. Belo, J.H.; Amaral, J.S.; Pereira, A.M.; Amaral, V.S.; Araújo, J.P.. "On the Curie temperature dependency of the magnetocaloric effect". Applied Physics Letters 100 24 (2012): http://www.scopus.com/inward/record.url?eid=2-s2.0-84863315360&partnerID=MN8TOARS.
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  90. Rocco, D.L.; Amaral, J.S.; Leito, J.V.; Amaral, V.S.; Reis, M.S.; Das, S.; Fernandes, R.P.; et al. "High refrigerant capacity of PrNi5-xCox magnetic compounds exploiting its spin reorientation and magnetic transition over a wide temperature zone". Journal of Physics D: Applied Physics 42 5 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-63649115282&partnerID=MN8TOARS.
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  91. Silva, N.J.O.; Amaral, J.S.; Amaral, V.S.; Costa, B.F.O.; Le Car, G.. "Superferromagnetism in mechanically alloyed fcc Fe23Cu 77 with bimodal cluster size distribution". Journal of Physics Condensed Matter 21 4 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-63749086240&partnerID=MN8TOARS.
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  92. Rocco, D.L.; Amaral, J.S.; Leitão, J.V.; Amaral, V.S.; Reis, M.S.; Fernandes, R.P.; Pereira, A.M.; et al. "Percolation processes and spin-reorientation of PrNi5-xCo x". Physical Review B - Condensed Matter and Materials Physics 79 1 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-60349093981&partnerID=MN8TOARS.
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  93. Leitão, J.C.V.; Rocco, D.L.; Amaral, J.S.; De Souza Reis Junior, M.; Amaral, V.B.S.; Fernandes, R.P.; Martins, N.V.; Tavares, P.B.. "Influence of the magnetic anisotropy on the magnetic entropy change of Ni2Mn(Ga, Bi) memory shape alloy". IEEE Transactions on Magnetics 44 11 PART 2 (2008): 3036-3039. http://www.scopus.com/inward/record.url?eid=2-s2.0-77955110823&partnerID=MN8TOARS.
    10.1109/TMAG.2008.2002794
  94. Leitao, D.C.; Sousa, C.T.; Ventura, J.; Amaral, J.S.; Carpinteiro, F.; Pirota, K.R.; Vazquez, M.; Sousa, J.B.; Araujo, J.P.. "Characterization of electrodeposited Ni and Ni80Fe20 nanowires". Journal of Non-Crystalline Solids 354 47-51 (2008): 5241-5243. http://www.scopus.com/inward/record.url?eid=2-s2.0-55349119843&partnerID=MN8TOARS.
    10.1016/j.jnoncrysol.2008.05.088
  95. Amaral, J.S.; Tavares, P.B.; Reis, M.S.; Araújo, J.P.; Mendonça, T.M.; Amaral, V.S.; Vieira, J.M.. "The effect of chemical distribution on the magnetocaloric effect: A case study in second-order phase transition manganites". Journal of Non-Crystalline Solids 354 47-51 (2008): 5301-5303. http://www.scopus.com/inward/record.url?eid=2-s2.0-55349115026&partnerID=MN8TOARS.
    10.1016/j.jnoncrysol.2008.05.078
  96. Lopes, A.M.L.; Araújo, J.P.; Mendonça, T.M.; Amaral, J.S.; Pereira, A.M.; Tavares, P.B.; Amaral, V.S.; Correia, J.G.. "Studies of local fields in the Pr1-xCaxMnO3 system using perturbed angular correlation spectroscopy". Journal of Non-Crystalline Solids 354 47-51 (2008): 5315-5317. http://www.scopus.com/inward/record.url?eid=2-s2.0-55549147130&partnerID=MN8TOARS.
    10.1016/j.jnoncrysol.2008.06.124
  97. Amaral, J.S.; Reis, M.S.; Araújo, J.P.; Mendonça, T.M.; Tavares, P.B.; Amaral, V.S.; Vieira, J.M.. "Phase separation of la0.70-xErxSr 0.30MnO3 and its effect on magnetic and magnetocalorlc properties". Materials Science Forum 587-588 (2008): 338-342. http://www.scopus.com/inward/record.url?eid=2-s2.0-60349129515&partnerID=MN8TOARS.
  98. Song, G.B.; Amaral, J.S.; Amaral, V.S.; Kholkin, A.L.. "Processing and phase separation of LSMO-based multiferroic composite ceramics". Journal of the European Ceramic Society 27 13-15 (2007): 3941-3945. http://www.scopus.com/inward/record.url?eid=2-s2.0-34347325119&partnerID=MN8TOARS.
    10.1016/j.jeurceramsoc.2007.02.071
  99. Amaral, J.S.; Silva, N.J.O.; Amaral, V.S.. "A mean-field scaling method for first- and second-order phase transition ferromagnets and its application in magnetocaloric studies". Applied Physics Letters 91 17 (2007): http://www.scopus.com/inward/record.url?eid=2-s2.0-35549013721&partnerID=MN8TOARS.
    10.1063/1.2801692
  100. Amaral, J.S.; Reis, M.S.; Amaral, V.S.; Mendonca, T.M.; Araujo, J.P.; Tavares, P.B.; Vieira, J.M.. "Tuning of magnetocaloric effect in ferromagnetic La-Sr manganites through Er and Eu doping". Materials Science Forum 514-516 PART 1 (2006): 299-303. http://www.scopus.com/inward/record.url?eid=2-s2.0-35548954931&partnerID=MN8TOARS.
  101. Amaral, J.S.; Reis, M.S.; Amaral, V.S.; Mendonça, T.M.; Araújo, J.P.; Sá, M.A.; Tavares, P.B.; Vieira, J.M.. "Magnetocaloric effect in Er- and Eu-substituted ferromagnetic La-Sr manganites". Journal of Magnetism and Magnetic Materials 290-291 PA (2005): 686-689. http://www.scopus.com/inward/record.url?eid=2-s2.0-14944345799&partnerID=MN8TOARS.
    10.1016/j.jmmm.2004.11.337
  102. Reis, M.S.; Gomes, A.M.; Araújo, J.P.; Amaral, J.S.; Tavares, P.B.; Oliveira, I.S.; Amaral, V.S.. "Charge-ordering contribution to the magnetic entropy change of (Pr, Ca)MnO3 manganites". Journal of Magnetism and Magnetic Materials 290-291 PA (2005): 697-699. http://www.scopus.com/inward/record.url?eid=2-s2.0-14944344577&partnerID=MN8TOARS.
    10.1016/j.jmmm.2004.11.340
  103. Reis, M.S.; Gomes, A.M.; Araújo, J.P.; Tavares, P.B.; Amaral, J.S.; Oliveira, I.S.; Amaral, V.S.. "Magnetocaloric effect in manganites: Ferromagnetism and charge-ordering effects". Materials Science Forum 455-456 (2004): 148-152. http://www.scopus.com/inward/record.url?eid=2-s2.0-3142706513&partnerID=MN8TOARS.
  104. Reis, M.S.; Gomes, A.M.; Araújo, J.P.; Tavares, P.B.; Amaral, J.S.; Oliveira, I.S.; Amaral, V.S.. "Charge-ordering and magnetoelastic coupling effects on the magnetocaloric properties of manganites". Acta Physica Polonica A 105 1-2 (2004): 163-171. http://www.scopus.com/inward/record.url?eid=2-s2.0-1342285035&partnerID=MN8TOARS.
  105. Amaral, V.S.; Amaral, J.S.. "Magnetoelastic coupling influence on the magnetocaloric effect in ferromagnetic materials". Journal of Magnetism and Magnetic Materials 272-276 III (2004): 2104-2105. http://www.scopus.com/inward/record.url?eid=2-s2.0-14944374772&partnerID=MN8TOARS.
    10.1016/j.jmmm.2003.12.870
  106. Almeida, A.; Chaves, M.R.; Teles, P.; Pinto, F.; Klöpperpieper, A.; Amaral, J.. "Raman spectroscopy and dielectric measurements of betaine rubidium iodide dihydrate". Journal of Physics Condensed Matter 14 17 (2002): 4553-4565. http://www.scopus.com/inward/record.url?eid=2-s2.0-0037029635&partnerID=MN8TOARS.
    10.1088/0953-8984/14/17/326
Poster em conferência
  1. Kiefe, Rodrigo; Hugo Trigo; Rafael Almeida; João Sequeira Amaral. Autor correspondente: Kiefe, Rodrigo. "Measurement and Simulation of the Magnetocaloric Effect Induced by Demagnetizing Fields". Trabalho apresentado em Jornadas CICECO 2023 Crossing Borders, 2023.
  2. H. Trigo; F. Scheibel; Amorim, C. O. ; C. Lauhoff; T. Niendorf; O. Gutfleisch; J. S. Amaral. "[Jornadas CICECO 2022] Study of gamma’ phase formation in Co-Ni-Ga Ferromagnetic Shape Memory Alloy". Trabalho apresentado em Jornadas CICECO 2022, 2022.
  3. A. C. Horta; Amorim, C. O. ; Soares, S. F.; Daniel-da-Silva, A. L.; Trindade, T.; J. S. Amaral. "[Jornadas CICECO 2022] Functionalized magnetic nanoparticles for application in thermoradiotherapy". Trabalho apresentado em Jornadas CICECO 2022, 2022.
  4. A. T. Poças; A. C. Horta; J. S. Amaral; C. O. Amorim. "[Jornadas CICECO 2022] Study of size effects in Mn ferrite nanoparticles on magnetic properties for application in magnetic hyperthermia". Trabalho apresentado em Jornadas CICECO 2022, 2022.
  5. P. Andé; A. C. Horta; J. S. Amaral; C. O. Amorim. "[Jornadas CICECO 2022] Preparation and characterization of Zn-Fe ferrites for application in magnetic hyperthermia with self-regulated heating exploring Curie temperature adjustment". Trabalho apresentado em Jornadas CICECO 2022, 2022.
  6. P. André; A. C. Horta; J. S. Amaral; Amorim, C. O.. "[MiP 2022] Magnetic hyperthermia with self-regulated heating of Fe and Zn ferrites through Curie temperature adjustment". Trabalho apresentado em Magnetism in Portugal 2022: Young Researchers, 2022.
  7. G. T. A . D. Santos; Estrada A.C.; C. O. Amorim; J. S. Amaral; Santos, P.S.M.; A. C. Duarte. "[13th IBCC] Characterization of functionalized magnetite nanoparticles produced by three methodologies". Trabalho apresentado em 13th IBCC-Inorganic & Bioinorganic Chemistry Conference, 2022.
  8. T. Santos; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Thermal properties of porcelain during its manufacturing". Trabalho apresentado em Jornadas do CICECO 2019, 2019.
  9. T.S.S. Carvalho ; A.F.M. Rodrigues; P. M. C. Torres; J.C.C. Abrantes; J. H. Belo; J. S. Amaral; V. S. Amaral; S. M. Olhero. "Development of Fe-doped calcium phosphates". Trabalho apresentado em Jornadas do Ciceco 2019, 2019.
  10. A. P. Lopes; T. Santos; D. J. Silva; C. M. Roque; V. S. Amaral; V. A. Costa; J. S. Amaral. "Interactive modelling of non-conventional thermal processes using COMSOL Multiphysics and Matlab LiveLink". Trabalho apresentado em Jornadas do CICECO 2019, 2019.
  11. T.S.S. Carvalho ; A.F.M. Rodrigues; P. M. C. Torres; M. Barros; J.C.C. Abrantes; J. H. Belo; J. S. Amaral; V. S. Amaral; S. M. Olhero (EB1E-46C5-01BA. "Development of magnetic Fe-doped calcium phosphates". Trabalho apresentado em Materiais 2019, 2019.
  12. Silva, D.J.; J. S. Amaral; Amaral, V.S.. "Cooling by sweeping: establishing a ferroic-based refrigeration cycle with field sweeping". Trabalho apresentado em 21th International Conference on Magnetism (ICM), 2018.
  13. Mohseni, F.; Pullar, R.C.; J. M. Vieira; J. S. Amaral. "Exchange-spring behavior of flake-like BaFe12O19@Fe3O4 core-shell nanocomposite". Trabalho apresentado em 21th International Conference on Magnetism (ICM), 2018.
  14. Belo, J.H.; Davarpanah, A.; Mohseni, F.; J. S. Amaral; Amaral, V.S.. "Mechanical alloying influence on the preparation of single-phase Mn-Fe-P-Si magnetocaloric compounds". Trabalho apresentado em 21th International Conference on Magnetism (ICM), 2018.
  15. Davarpanah, A.; Belo, J.H.; Amaral, V.S.; J. S. Amaral. "Magneto-volume coupling optimization for low applied field magnetic refrigeration". Trabalho apresentado em 8th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag 2018, 2018.
  16. Silva, D.J.; A. Lopes; J. S. Amaral; Amaral, V.S.. "Modeling and dimensioning magnetocaloric heat pumps". Trabalho apresentado em 8th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag 2018, 2018.
  17. D. J. Silva; J. S. Amaral; V. S. Amaral. "Heatrapy: a flexible python framework to compute thermal processes". Trabalho apresentado em Jornadas CICECO 2018, 2018.
  18. A. P. Lopes; T. Santos; D. J. Silva; V. S. Amaral; V. A. F. Costa; J. S. Amaral. "Improving speed and flexibility of COMSOL simulations". Trabalho apresentado em Jornadas CICECO 2018, 2018.
  19. F. Mohseni; R. C. Pullar; J. M. Vieira; J. S. Amaral. "Nanocomposite oxide-based permanent magnets". Trabalho apresentado em Jornadas CICECO 2018, 2018.
  20. J. H. Belo; A. Davarpanah; F. Mohseni; J. S. Amaral; V. S. Amaral. "Bulk MnFePSiB metallic alloy synthesis at CICECO via ball milling". Trabalho apresentado em Jornadas CICECO 2018, 2018.
  21. A. Baghizadeh; J. M. Vieira; P. Mirzadeh-vaghefi; J. S. Amaral; V. S. Amaral. "Change in the properties of magnetoferroelectric walls and phase transition temperature of chemically modified LuMnO3 ceramics". Trabalho apresentado em Jornadas CICECO 2018, 2018.
  22. T. Santos; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Thermal conductivity of agglomerate cork". Trabalho apresentado em Jornadas CICECO 2018, 2018.
  23. C. O. Amorim; J. S. Amaral; J. N. Gonçalves; V. S. Amaral. "Fe/BaTiO3 nanoengineering towards a switchable spin state multiferroic". Trabalho apresentado em Encontro com a Ciência e Tecnologia em Portugal: Ciência 2018, 2018.
  24. Davarpanah, A.; Mohseni, F.; Belo, J.H.; Costa, B.F.O.; Amaral, V.S.; J. S. Amaral. "On the optimization of the ball-milling preparation conditions of (Mn-Fe)2(P-Si) compounds". Trabalho apresentado em Danish Days on Caloric Materials and Devices 2017, 2017.
  25. M. J. Pereira; J. S. Amaral; N. J. O. Silva; V. S. Amaral. "Scanning thermal microscopy: mapping and acting on local (sub)surface thermal properties at the nanoscale". Trabalho apresentado em II Jornadas Nacionais de Caracterização de Materiais, 2017.
  26. Amorim, C.O.; Figueiras, F.; J. S. Amaral; Tavares, P.B.; Correia, M.R.; Alves, E.; J. Rocha; Amaral, V.S.. "Peculiar High Temperature Magnetoelectric Coupling in BaTiO3:Fe113ppm". Trabalho apresentado em NANOSMAT 2016, 2016.
  27. M. J. Pereira; J. S. Amaral; Silva, N.J.O.; Amaral, V.S.; F. Albertini; F. Casoli. "Mapping locally induced structural transformations in Ni-Mn-Ga thin films by Scanning Thermal Microscopy". Trabalho apresentado em NANOSMAT 2016, 2016.
  28. T. Santos; C. V. X. Bessa; S. Gama; L. D. R. Ferreira; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Infrared and simulation studies on emulated thermomagnetic motor heat exchangers". Trabalho apresentado em Jornadas do CICECO 2015, 2015.
  29. T. Santos; J. Pino; V. A. F. Costa; J. S. Amaral; V. S. Amaral. "Infrared thermography of Materials and Processes". Trabalho apresentado em Jornadas do CICECO 2015, 2015.
  30. Fortunato, N.M.; Gonçalves, J.N.; J. S. Amaral. "A Density Functional Theory study on the novel high coercivity BCT Fe-Co-Si phase". Trabalho apresentado em 20th International Conference on Magnetism (ICM), 2015.
  31. Gonçalves, J.N.; J. S. Amaral; Fortunato, N.M.; Amaral, V.S.. "Volume dependence of magnetic properties in Co2Cr1-xYxGa (Y = Ti, V, Mn, Fe) alloys by first-principles". Trabalho apresentado em 20th International Conference on Magnetism (ICM), 2015.
  32. Fortunato, N.M.; Gonçalves, J.N.; J. S. Amaral. "Fast computational magnetic materials design via DFT calculations and a novel Monte- Carlo sampling method". Trabalho apresentado em 20th International Conference on Magnetism (ICM), 2015.
  33. Amorim, C.O.; F. Figueiras; J. S. Amaral; Tavares, P.B.; Correia, M.R.; E. Alves; J. Rocha; Amaral, V.S.. "Peculiar Magnetoelectric Coupling in BaTiO3:Fe113ppm". Trabalho apresentado em 20th International Conference on Magnetism (ICM), 2015.
  34. Mohseni, F.; M. J. Pereira; Fortunato, N.M.; J. S. Amaral; Lourenço, A.C.; J. M. Vieira. "Alnico V thin films with improved saturation magnetization and coercivity". Trabalho apresentado em 20th International Conference on Magnetism (ICM), 2015.
  35. M. J. Pereira; L. Gomes; J. S. Amaral; Silva, N.J.O.; Lourenço, A.A.C.S.; Amaral, V.S.. "Magneto-structural characterization and local probing of inhomogeneity effects on Ni- Mn-Ga thin films". Trabalho apresentado em 20th International Conference on Magnetism (ICM), 2015.
  36. F. Mohseni; A. Baghizadeh; M. J. Pereira; N. M. Fortunato; J. S. Amaral; A. C. Lourenço; J. M. Vieira. "Alnico V thin films with improved saturation magnetization and coercivity". Trabalho apresentado em Jornadas CICECO 2015, 2015.
  37. T. Santos; C. V. X. Bessa; S. Gama; L. D. R. Ferreira; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Infrared and simulation studies on emulated thermomagnetic motor heat exchanger mechanisms". Trabalho apresentado em Jornadas CICECO 2015, 2015.
  38. T. Santos; R. Niemann; A. Waske; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Infrared microscopy: challenges in the study of magnetocaloric materials". Trabalho apresentado em Jornadas CICECO 2015, 2015.
  39. M. J. Pereira; J. S. Amaral; N. J. O. Silva; V. S. Amaral. "Scanning Thermal Microscopy: nano-localized thermal analysis and mapping of surface and subsurface thermal properties". Trabalho apresentado em Jornadas CICECO 2015, 2015.
  40. A. Davarpanah; J. S. Amaral; V. S. Amaral; E. C. Queirós; P. B. Tavares. "Magnetic and thermal properties of La2/3(Ca1-xSrx)1/3MnO3 magnetocaloric materials". Trabalho apresentado em Jornadas CICECO 2015, 2015.
  41. T. Santos; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Infrared microscopy at the HEAT@UA lab". Trabalho apresentado em 4th Joint Congress "Microscopy at the Frontiers of Science", 2015.
  42. M. J. Pereira; J. S. Amaral; N. J. O. Silva; V. S. Amaral. "Scanning Thermal Microscopy: nano-localized thermal analysis and mapping of surface and subsurface thermal properties". Trabalho apresentado em 4th Joint Congress "Microscopy at the Frontiers of Science", 2015.
  43. T. Santos; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Desenho e optimização de um refrigerador magnético". Trabalho apresentado em 19 conferência nacional de Física e 24º encontro Ibérico para o ensino da Física, 2014.
  44. T. Santos; L. Ferreira; L. C. Gomes; J. S. Amaral; V. A. F. Costa; V. S. Amaral. "Thermal imaging with infra-red camera". Trabalho apresentado em Research Day of Aveiro University, 2014.
  45. Oliveira, G.N.P.; A. M. T. Pereira; Lopes, A.M.L.; J. S. Amaral; A. M. Santos; Mendonça, T.M.; Sousa, C.T.; et al. "Short-range magneto-electric clusters in CdCr2S4: A dynamic off-centering of Cr3+ magnetic ions". Trabalho apresentado em IEEE International Magnetics Conference 2014 (Intermag), 2014.
  46. Gonçalves, J.N.; J. S. Amaral; Amaral, V.S.. "Magneto-volume effects in Heusler compounds via first-principles calculations". Trabalho apresentado em IEEE International Magnetics Conference 2014 (Intermag), 2014.
  47. J. S. Amaral; Gonçalves, J.N.; Amaral, V.S.. "Thermodynamics of the Ising model from a random path sampling method". Trabalho apresentado em IEEE International Magnetics Conference 2014 (Intermag), 2014.
  48. Belo, J.H.; J. S. Amaral; A. M. Pereira; S. Das; Amaral, V.S.; Araújo, J.P.. "The magnetocaloric effect dependence on the Curie temperature". Trabalho apresentado em 12th Joint MMM/Intermag Conference, 2013.
  49. J. S. Amaral; J. R. Heringa; E. Brück; Amaral, V.S.. "Finite size scaling effects: from exponents to state functions". Trabalho apresentado em DICNMA 2013, 2013.
  50. Belo, J.H.; J. S. Amaral; A. M. Pereira; Amaral, V.S.; Araújo, J.P.. "The effect of Curie temperature on the 1st and 2nd order magnetocaloric materials". Trabalho apresentado em DICNMA 2013,, 2013.
  51. J. S. Amaral; S. C. Santos; Amaral, V.S.. "Thermal imaging and measurement techniques applied to magnetocaloric materials research". Trabalho apresentado em Delft Days on Magnetocalorics, 2013.
  52. Belo, J.H.; J. S. Amaral; A. M. Pereira; Amaral, V.S.; Araújo, J.P.. "Curie Temperature influence on the magnetic entropy change of 1st and 2nd order magnetocaloric materials". Trabalho apresentado em Delft Days on Magnetocalorics,, 2013.
  53. J. S. Amaral; J. N. Gonçalves; V. S. Amaral. "Modelling Magnetic Systems from first principles to mean-field approaches". Trabalho apresentado em Universidade de Aveiro Research Day 2013, 2013.
  54. J. S. Amaral; S. Das; Amaral, V.S.. "Disorder effects in giant magneto caloric materials". Trabalho apresentado em International Conference on Magnetism - ICM 2012,, 2012.
  55. J. S. Amaral; J. R. Heringa; E. Brück; Amaral, V.S.. "A novel scaling method for critical phenomena studies: finite size effects". Trabalho apresentado em International Conference on Magnetism - ICM 2012, 2012.
  56. Belo, J.H.; J. S. Amaral; A. M. Pereira; S. Das; Amaral, V.S.; Araújo, J.P.. "On the curie temperature dependency of the magnetocaloric effect". Trabalho apresentado em International Conference on Magnetism - ICM 2012, 2012.
  57. J. S. Amaral; J. R. Heringa; E. Brück; Amaral, V.S.. "Finite-size effects in scaling: from critical exponents to state functions". Trabalho apresentado em Joint European Magnetic Symposia - JEMS 2012, 2012.
  58. S. Das; De, K.; A. Roy; P. Dhak; M. Willinger; J. S. Amaral; Gonçalves, J.N.; et al. "Strain induced enhanced ferromagnetic behavior and low temperature glassy state in inhomogeneous low doped La0.95Sr0.05MnO3+". Trabalho apresentado em Joint European Magnetic Symposia - JEMS 2012, 2012.
  59. Oliveira, G.N.P.; A. M. Pereira; Lopes, A.M.L.; J. S. Amaral; A. M. dos Santos; Mendonça, T.M.; Sousa, C.T.; et al. "CdCr2S4: Magneto-electric Clusters arising from Cr3+ dynamic off-centering". Trabalho apresentado em Joint European Magnetic Symposia - JEMS 2012,, 2012.
  60. Belo, J.H.; J. S. Amaral; A. M. Pereira; S. Das; Amaral, V.S.; Araújo, J.P.. "On the the Curie temperature dependency of the magnetocaloric effect". Trabalho apresentado em 5th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag V, 2012.
  61. R. Lusche; J. M. Teixeira; J. S. Amaral; Ventura, J.; Sousa, J.B.; Araújo, J.P.; R. Macedo; S. Cardoso; P. Freitas. "Exchange bias and blocking temperature distribution in MnIr/CoFe bilayers". Trabalho apresentado em 11th Joint MMM/Intermag Conference, 2010.
  62. J. S. Amaral; Gonçalves, J.N.; S. Das; S. Gama; A. B. Antunes; K. A. Gschneidner Jr.; Amaral, V.S.. "High Field magnetization study of the first-order magnetic phase transition materials Gd5Si2Ge2 and MnAs". Trabalho apresentado em 2nd EuromagNET Summer School, Science in High Magnetic Fields,, 2010.
  63. J. S. Amaral; S. Das; M. S. Reis; J. P. Araújo; V. S. Amaral. "Optimizing the disorder of magnetocaloric materials for magnetic cooling applications". Trabalho apresentado em VII Jornadas CICECO, 2010.
  64. J. S. Amaral; Tavares, P. B.; S. Das; M. S. Reis; Mendonça, T.M.; Araújo, J.P.; Amaral, V.S.; J. M. Vieira. "The effect of chemical distribution on the magnetocaloric effect for second- and first- order phase transitions: a case study in manganite systems". Trabalho apresentado em 3rd International Conference on Magnetic Refrigeration at Room Temperature (Thermag III), 2009.
  65. S. Das; J. S. Amaral; Leitão, J.V.; Rocco, D.L.; M. S. Reis; Amaral, V.S.. "Effect of doping on the magnetic and magnetocaloric properties of MnAs". Trabalho apresentado em International Conference on Magnetism, 2009.
  66. J. S. Amaral; Amaral, V.S.. "Irreversibility Effects in First-order Magnetic Phase Transitions and Deviations on Estimating the Magnetocaloric Effect". Trabalho apresentado em International Conference on Magnetism, 2009.
  67. J. S. Amaral; S. Das; M. S. Reis; Araújo, J.P.; Amaral, V.S.. "Persistent Magnetic Clustering in Ferromagnetic Manganites". Trabalho apresentado em International Conference on Magnetism, 2009.
  68. J. S. Amaral; S. Das; M. S. Reis; Araújo, J.P.; Amaral, V.S.. "A Novel Data Scaling Methodology: Application to Critical Phenomena and Mean-Field Studies". Trabalho apresentado em International Conference on Magnetism, 2009.
  69. J. S. Amaral; Amaral, V.S.. "The effect of out-of-equilibrium conditions on estimating the magnetocaloric effect from magnetic measurements". Trabalho apresentado em IEEE International Magnetics Conference (Intermag), 2008.
  70. J. S. Amaral; Silva, N.J.O.; Amaral, V.S.. "Estimating the magnetocaloric effect by the use of a novel mean-field method for second- and first- order phase transition ferromagnetic materials". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2008.
  71. J. S. Amaral; Silva, N.J.O.; Amaral, V.S.; Costa, B.F.O.; G. Le Caër. "Magnetic studies of mechanically alloyed metastable FCC Fe23Cu77: superferromagnetism with bimodal cluster size distribution". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2008.
  72. Rocco, D.L.; J. S. Amaral; Leitão, J.V.; Fernandes, R.P.; A. M. Pereira; Araújo, J.P.; Martins, N.V.; et al. "Magnetic Properties and Magnetocaloric effect of PrNi5 Magnetic Properties and Magnetocaloric effect of PrNi5-xCox hard magnets in the critical compositional regime (1.9 < x < 3)". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2008.
  73. Leitão, J.V.; Rocco, D.L.; J. S. Amaral; M. S. Reis; Amaral, V.S.; Fernandes, R.P.; Martins, N.V.; Tavares, P. B.. "Study of the Ni2MnGa memory shape alloy for the optimization of magnetic refrigeration devices". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2008.
  74. J. S. Amaral; Silva, N.J.O.; Amaral, V.S.; Costa, B.F.O.; G. Le Caër. "Magnetic studies of mechanically alloyed metastable FCC Fe23Cu77: superferromagnetism with bimodal cluster size distribution". Trabalho apresentado em NanoIberian Conference (Nanospain), 2008.
  75. J. S. Amaral; Tavares, P. B.; M. S. Reis; Araújo, J.P.; Mendonça, T.M.; Amaral, V.S.; J. M. Vieira. "The effect of chemical distribution on estimating the magnetocaloric effect from magnetic measurements". Trabalho apresentado em Ninth International Workshop on Non-Crystalline Solids, 2008.
  76. J. S. Amaral; Mendonça, T.M.; A. M. Pereira; F. Figueiras; M. S. Reis; Lopes, A.M.L.; Araújo, J.P.; et al. "Hyperfine studies on multiferroic RMnO3 compounds". Trabalho apresentado em XXXI International symposium on dynamical properties of solids (DyProSo), 2007.
  77. J. S. Amaral; M. S. Reis; Amaral, V.S.; Mendonça, T.M.; Araújo, J.P.; Tavares, P. B.; J. M. Vieira. "Phase separation of La0.70-xErxSr0.30MnO3 and its effect on magnetic and magnetocaloric properties". Trabalho apresentado em Materiais 2007, 2007.
  78. J. S. Amaral; M. S. Reis; V. S. Amaral; T. M. Mendonça; J. P. Araújo; P. B. Tavares; J. M. Vieira. "Phase separation of La0.70-xErxSr0.30MnO3 and its effect on magnetic and magnetocaloric properties". Trabalho apresentado em IV Jornadas CICECO, 2007.
  79. R. P. Fernandes; M. S. Reis; J. S. Amaral; V. S. Amaral; A. M. Pereira; J. P. Araújo; P. B. Tavares. "Magnetocaloric effect of Pr(Ni,Co)5 hard magnets". Trabalho apresentado em IV Jornadas CICECO, 2007.
  80. J. S. Amaral; V. S. Amaral. "Nature of phase transition in manganites: adiabatic and vibronic phase segregation mechanisms". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2006.
  81. J. S. Amaral; M. S. Reis; Amaral, V.S.; Mendonça, T.M.; Araújo, J.P.; Tavares, P. B.; J. M. Vieira. "Magnetic and Magnetocaloric properties of La0.70-x(Eu,Er)x(Sr,Ca)0.30MnO3". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2006.
  82. M. S. Reis; J. S. Amaral; V. S. Amaral. "Magnetic Refrigeration: a cool idea". Trabalho apresentado em III Jornadas CICECO, 2006.
  83. G. B. Song; A. L. Kholkin; J. S. Amaral (D310-14E3-EF54); V. S. Amaral. "The phase separation, crystal structure and magnetic properties of (x) La0.625Sr0.375MnO3 - (1-x) LuMnO3 system". 2006.
  84. J. S. Amaral; V. S. Amaral. "Transições de fase magnética em manganites: processos adiabáticos e de segregação de fase vibrónicos". Trabalho apresentado em 15ª Conferência Nacional de Física, 2006.
  85. J. S. Amaral; M. S. Reis; V.S. Amaral; T. M. Mendonça; J. P. Araújo; P. B. Tavares; J. M. Vieira. "Tuning of magnetocaloric effect in ferromagnetic La-Sr manganites through Er and Eu doping". Trabalho apresentado em Materiais 2005, 2005.
  86. J. S. Amaral; M. S. Reis; V. S. Amaral; J. M. Vieira; J. P. Araújo; P. B. Tavares. "Efeito magnetocalórico e refrigeração magnética". Trabalho apresentado em Física para o Século XXI, 2005.
  87. J. S. Amaral; M. S. Reis; V. S. Amaral; T. M. Mendonça; J. P. Araújo; M. A Sá; P. B. Tavares; J. M. Vieira. "Magnetocaloric effect in Er and Eu-substituted ferromagnetic La-Sr Manganites". Trabalho apresentado em Joint European Magnetic Symposia (JEMS), 2004.
  88. V. S. Amaral; J. S. Amaral. "Magnetoelastic Coupling Influence on the Magnetocaloric Effect in Ferromagnetic Materials". Trabalho apresentado em International Conference on Magnetism (ICM), 2003.
Resumo em conferência
  1. R. Almeida; João Horta Belo; Gonçalves, Sofia; R. Costa; C. Amorim; J. S. Amaral; T. Del Rose; et al. "Magnetization Dynamics of the First Order Phase Transition Magnetocaloric material, Gd5Si2Ge2". Trabalho apresentado em DCE21 - 4th Doctoral Congress in Engineering, Symposium on Engineering Physics, Porto, 2021.
    Publicado
  2. Rodrigo Bernardo; Marco P. Soares dos Santos; António Lopes; João Sequeira Amaral. "New magnetic stimulator for instrumented implants". Trabalho apresentado em 2nd Congresso do Centro de Tecnologia Mecânica e Automação,, Aveiro, 2019.
    Publicado

Outros

Outra produção
  1. On correctly assessing the reversibility of the magnetocaloric effect from indirect measurements. 2024. Kiefe, R.; Almeida, R.; Belo, J.H.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85185600866&partnerID=MN8TOARS.
    10.48550/arXiv.2402.04940
  2. Curie Temperature Control in Zn-Fe Ferrite Superparamagnetic Nanoparticles. 2024. Amorim, C.O.; Horta, A.C.; André, P.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85189621948&partnerID=MN8TOARS.
    10.2139/ssrn.4776941
  3. High Yttrium Retention in Magnetite Nanoparticles Functionalized with Hybrid Silica-Dextran Shells. 2023. Horta, A.C.; Amorim, C.O.; Soares, S.F.; Daniel-Da-Silva, A.L.; Trindade, T.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85165920568&partnerID=MN8TOARS.
    10.2139/ssrn.4511915
  4. Accurate Estimate of the Joint Density of States via Flat Scan Sampling. 2022. Inácio, J.C.; Ferreira, A.L.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85126854619&partnerID=MN8TOARS.
  5. Accurate Estimate of the Joint Density of States via Flat Scan Sampling. 2022. Inácio, J.C.; Ferreira, A.L.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85181623998&partnerID=MN8TOARS.
    10.48550/arxiv.2203.02718
  6. A geometry-independent moment correction method for the Magnetic Property Measurement 3 Superconducting Quantum Interference Device-Vibrating Sample Magnetometer. 2020. Amorim, C.O.; Mohseni, F.; Amaral, V.S.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85095542774&partnerID=MN8TOARS.
  7. A geometry-independent moment correction method for the Magnetic Property Measurement 3 Superconducting Quantum Interference Device-Vibrating Sample Magnetometer. 2020. Amorim, C.O.; Mohseni, F.; Amaral, V.S.; Amaral, J.S.. http://www.scopus.com/inward/record.url?eid=2-s2.0-85170866853&partnerID=MN8TOARS.
    10.48550/arxiv.2007.07730
  8. On the nature of the (de)coupling of the magnetostructural transition in Er5Si4. 2017. Costa, R.M.; Belo, J.H.; Barbosa, M.B.; Algarabel, P.A.; Magén, C.; Morellón, L.; Ibarra, M.R.; et al. http://www.scopus.com/inward/record.url?eid=2-s2.0-85093576768&partnerID=MN8TOARS.
  9. On the nature of the (de)coupling of the magnetostructural transition in Er5Si4. 2017. Costa, R.M.; Belo, J.H.; Barbosa, M.B.; Algarabel, P.A.; Magén, C.; Morellón, L.; Ibarra, M.R.; et al. http://www.scopus.com/inward/record.url?eid=2-s2.0-85170139531&partnerID=MN8TOARS.
    10.48550/arxiv.1703.10802
Atividades

Apresentação oral de trabalho

Título da apresentação Nome do evento
Anfitrião (Local do evento)
2020/12 In-silico Thermodynamic description of Heusler compounds applied to magnetocalorics by Monte Carlo simulations starting from ab-initio Joint European Magnetic Symposia (JEMS) 2020
The European Magnetism Association (Lisboa, Portugal)
2020/12 Direct measurement and imaging of magnetocaloric effect inhomogeneities at the microscale in Ni44Co6Mn30Ga20 with infrared thermography Joint European Magnetic Symposia (JEMS) 2020
The European Magnetism Association (Lisboa, Portugal)
2018 Computational Search for Giant Magnetocaloric Materials: Application to MnAs 21th International Conference on Magnetism (ICM)
(San Francisco, Estados Unidos)
2018 On the optimization of magneto-volume coupling for practical applied field magnetic refrigeration 21th International Conference on Magnetism (ICM)
(San Francisco, Estados Unidos)
2018 Synthesis and Magnetic Properties of Exchange-Coupled BaFe12O19@Fe3O4 Nanocomposite Ceramic Interconnect and Ceramic Microsystems Technologies (CICMT) 2018
(Aveiro, Portugal)
2018 A computational approach for the search of giant magnetocaloric materials: application to MnAs 8th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag 2018
(Darmstadt, Alemanha)
2018 Cooling by sweeping: a new method for solid state ferroic-based refrigeration 8th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag 2018
(Darmstadt, Alemanha)
2018 Magnetic materials for energy: new computational strategies to find them Encontro com a Ciência e Tecnologia em Portugal: Ciência 2018
(Lisbon, Portugal)
2017 Thermal conductivity of magnetocaloric materials: impact of its temperature dependency on magnetic refrigeration 62nd Annual Conference on Magnetism and Magnetic Materials (Intermag 2017)
(Pittsburgh, Estados Unidos)
2017 Interdiffusion Processes in High-Coercivity RF-Sputtered Alnico Thin Films on Si Substrates 62nd Annual Conference on Magnetism and Magnetic Materials (Intermag 2017)
(Pittsburgh, Estados Unidos)
2017 A combined first-principles and Monte Carlo approach to the magnetocaloric effect of magnetovolume-coupled materials , 62nd Annual Conference on Magnetism and Magnetic Materials (Intermag 2017)
(Pittsburgh, Estados Unidos)
2017 Volume dependence of magnetic properties in Co2Cr1-xYxGa (Y=Ti-Ni) Heusler alloys: a first-principles study 62nd Annual Conference on Magnetism and Magnetic Materials (Intermag 2017)
(Pittsburgh, Estados Unidos)
2017 High Temperature Giant Magnetoelectric Coupling in BaTiO3:Fe auto-composites Materiais 2017
(Aveiro, Portugal)
2017 Comparative Analysis of Structural and Electromagnetic Properties of Cobalt Ferrite With And Without Addition of Niobium Pentoxide Materiais 2017
(Aveiro, Portugal)
2017 Locally inducing and mapping of structural transformations in Ni-Mn-Ga Materiais 2017
(Aveiro, Portugal)
2016 Optimization of heat exchange in magnetic refrigerators and thermomagnetic motors 7th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag V
(Torino, Itália)
2016 Magnetocaloric effect of compressible Heisenberg lattices: application to Gadolinium 7th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag V
(Torino, Itália)
2016 Ferroic materials for energy generation and thermal management
(Aveiro, Portugal)
2016 Novel approaches for the computational design of magnetocaloric materials Computational Approaches to Sciences & Engineering - CASE 2016
(Aveiro, Portugal)
2015 Magnetic and morphologic properties of Alnico-based rare-earth free permanent magnets NanoPT 2015
(Porto, Portugal)
2015 Nano­composite building blocks for ground­up designed rare-earth free permanent magnets ERA-MIN stakeholder conference
(Berlin, Alemanha)
2015 Thermal Conductivity study of (Mn-Fe)P1-xSix magnetocaloric materials with first and second order phase transitions 20th International Conference on Magnetism (ICM)
(Barcelona, Espanha)
2014 Revealing and Modelling Interactions or Disorder Effects in Magnetocaloric Materials CIMTEC 2014
(Parma, Itália)
2013 Thermodynamics of first-order phase transition ferroics DFG priority program SPP 1599 Ferroic Cooling focus meeting
(Darmstadt, Alemanha)
2013 Finite size scaling effects: from exponents to state functions 12th Joint MMM/Intermag Conference
(Chicago, Estados Unidos)
2013 Interplay between Inter/Intra-slab Magnetic Exchange Interactions in R5Ge4 DICNMA 2013
(San Sebastian, Espanha)
2012 The understanding of processing-structure-property relationships in multifunctional ceramics through combinatorial high throughput methods Materials Science and Technology - MS&T 2012
(Pittsburgh, Estados Unidos)
2012 Recent interest in Magnetoelectric / Multiferroic Hexagonal Ferrites Progress In Electromagnetics Research Symposium (PIERS 2012)
(Moscow, Rússia)
2012 Constraints in Assessing Performance of Giant Magnetocaloric Materials for Near Room-Temperature Applications WCAM 2012
(Beijing, China)
2012 Investigation of the formation of Sr3Co2Fe24O41 ferrite”, R. C. Pullar Microwave Materials and their Applications (MMA 2012)
(Taipei, Taiwan)
2012 Giant magnetocaloric materials: disorder effects Joint European Magnetic Symposia - JEMS 2012
(Parma, Itália)
2012 Disorder effects in giant magnetocaloric materials 5th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag V
(Grenoble, França)
2012 Direct measurement of the magnetocaloric effect using an infra-red sensor 5th IIR/IIF International Conference on Magnetic Refrigeration at Room Temperature - Thermag V
(Grenoble, França)
2012 Magnetic Properties of Hexaferrite Ceramics made from Wastes 4th International Conference on Engineering for Waste and Biomass Valorisation (WasteEng 2012)
(Porto, Portugal)
2011 Novel mean-field scaling methods in the study of ferromagnets: clustering effects in LaCaMnO3 and spin hybridization in first-order phase transition Gd5Si2Ge2
First International Spring School on McPhase - a Software Suite for Complex Magnetism (Gijón, Espanha)
2010 Getting the realistic magnetic entropy value for the first order phase transition material with mixed phase state Joint European Magnetic Symposia JEMS 2010
(Krakow, Polónia)
2010 Prediction of realistic entropy behaviour from mixed state magnetization data for first order phase transition materials 11th Joint MMM/Intermag Conference
(Washington D. C., Estados Unidos)
2010 Room-temperature ferromagnetic Ni-Mn-Ga film developed by co-deposition in rf-magnetron sputtering at low temperatures Joint European Magnetic Symposia JEMS 2010
(Krakow, Polónia)
2010 A mean-field study of ferromagnetic manganites: clustering and disorder effects Joint European Magnetic Symposia JEMS 2010
(Krakow, Polónia)
2010 A novel scaling method for critical phenomena studies of magnetic materials: universality and disorder Joint European Magnetic Symposia JEMS 2010
(Krakow, Polónia)
2010 Novel scaling methods for mean-field and critical phenomena analysis of ferromagnetic materials Encontro nacional de Física da matéria condensada
(Porto, Portugal)
2009 Insights on the magnetism of Tb5Ge4 IEEE International Magnetics Conference (Intermag)
(Sacramento, Estados Unidos)
2009 On estimating magnetic entropy change from magnetization measurements: thermal and magnetic irreversibility effects of first-order materials 3rd International Conference on Magnetic Refrigeration at Room Temperature (Thermag III)
(Des Moines, Estados Unidos)
2008 On estimating the magnetocaloric effect from magnetization measurements Joint European Magnetic Symposia JEMS 2008
(Dublin, Irlanda)
2008 The effect of chemical distribution on the magnetocaloric effect of La-Er-Sr-MnO3/ErMnO3 self-composite Ninth International Workshop on Non-Crystalline Solids
(Porto, Portugal)
2008 High cooling power of Co-doped PrNi5 compounds exploiting its spin reorientation and magnetic transition over a wide temperature zone 53rd Annual Conference on Magnetism and Magnetic Materials (MMM)
(Austin, Estados Unidos)
2008 The effect of thermal/magnetic non-equilibrium in estimating the magnetocaloric effect from magnetization measurements 53rd Annual Conference on Magnetism and Magnetic Materials (MMM)
(Austin, Estados Unidos)
2008 Local Probe Studies on Highly Distorted Rare-Earth Manganites Jornadas IFIMUP
(Porto, Portugal)
2008 Advances in magnetic and magnetocaloric studies Jornadas CICECO 2008
(Aveiro, Portugal)
2007 Local ordering of oxygen in high-Tc superconductors ISOLDE Workshop and Users meeting
(Geneva, Suiça)
2007 Interpreting and modeling magnetocaloric data and properties: Landau theory of phase transitions and mean-field theory 2nd International Conference on Magnetic Refrigeration at Room Temperature (Thermag II)
(Portoroz, Eslovénia)
2007 Propriedades magnéticas e magnetocalóricas do sistema La0.70-x(Er,Eu)xSr0.30MnO3 Jornadas IFIMUP
(Porto, Portugal)
2007 The magnetocaloric effect of ferromagnetic manganites: modeling and interpretation of properties with Landau and mean field theory 12th Workshop on Magnetism and Intermetallics
(Porto, Portugal)
2006 Magnetic properties of La0.625Sr0.375MnO3-LuMnO3 system Joint European Magnetic Symposia JEMS06
(San Sebastian, Espanha)
2005 Development of manganite materials for room-temperature magnetocaloric applications 1st International Conference on Magnetic Refrigeration at Room Temperature (Thermag I)
(Montreaux, Suiça)
2003 Charge-Ordering and Magnetoelastic Coupling Effects on the Magnetocaloric Properties of Manganites European Materials Research Society (EMRS) 2003 Fall Meeting
(Warsaw, Polónia)
2003 Magnetocaloric Effect in Manganites: Ferromagnetic and Charge-Ordering Effects Materiais 2003, Costa da Caparica
(Costa da Caparica, Portugal)
2003 Magnetocaloric Effect in Manganites 10th Workshop on Magnetism and Intermetallics
(Lisbon, Portugal)

Orientação

Título / Tema
Papel desempenhado 		Curso (Tipo)
Instituição / Organização
2015 - Atual Simulações de trocas de calor em processos magnetotérmicos
Orientador de António Perdigão Lopes
 Plano Doutoral em Engenharia Física (Doutoramento)
Universidade de Aveiro Departamento de Física, Portugal
2021/05/01 - 2025/04/30 Removal of pesticides from wastewaters through combined adsorption and sunlight-induced photodegradation using magnetic nanomaterials
Coorientador
 Programa Doutoral em Engenharia Química (3º ciclo) (Doutoramento)
Universidade de Aveiro, Portugal
2021/04/01 - 2025/03/31 Development of Radioactive Magnetic Nanoparticles for application in joint thermoradiotherapy
Orientador
 Programa Doutoral em Engenharia Física (3º ciclo) (Doutoramento)
Universidade de Aveiro, Portugal
2019 - 2021 Magnetovolume effects in ferromagnetic Heusler compounds
Orientador
 Masters in Physics Engineering (2nd cycle) (Mestrado)
Universidade de Aveiro Departamento de Física, Portugal
2015 - 2021 Nanostructured rare-earth free permanent magnets
Orientador
 Doctoral Program in Materials Science and Engineering (3rd cycle) (Doutoramento)
Universidade de Aveiro Departamento de Engenharia de Materiais e Cerâmica, Portugal
2015 - 2020 Tricritical magnetocaloric materials synthesis and their thermal properties characterization
Orientador de Amin Davarpanah
 Doctoral Program in Materials Science and Engineering (3rd cycle) (Doutoramento)
Universidade de Aveiro, Portugal
2019 - 2019 Simulações de propriedades termodinâmicas de materiais magnéticos por métodos de Monte-Carlo
Orientador de Hugo Guilherme Trigo
 Mestrado Integrado em Engenharia Física (Licenciatura/Bacharelato)
Universidade de Aveiro Departamento de Física, Portugal
2018 - 2019 Synthesis optimization of Zn-Mn ferrites for magnetic fluid aplications
Coorientador
 Mestrado em Engenharia Física (Mestrado)
Universidade de Aveiro Departamento de Física, Portugal
2017 - 2018 Sistema de medição de temperatura por termometria IV em campo magnético variável
Coorientador de Rafael Nunes Correia
 Mestrado em Engenharia Física (Mestrado)
Universidade de Aveiro Departamento de Física, Portugal
2015 - 2015 Estudos de condutividade térmica e capacidade térmica em materiais
Orientador
 Mestrado Integrado em Engenharia Física (Licenciatura/Bacharelato)
Universidade de Aveiro Departamento de Física, Portugal
2014 - 2015 Random path sampling applied to vector models of magnetism
Orientador de Nuno Miguel dos Santos Fortunato
 Mestrado em Física (Mestrado)
Universidade de Aveiro Departamento de Física, Portugal
2010 - 2011 Manganites Modificadas por Iões Terra-Rara e Crescidas por LFZ
Coorientador de Marta Gomes dos Santos Sousa
 Mestrado em Engenharia Física (Mestrado)
Universidade de Aveiro Departamento de Física, Portugal
2009 - 2010 Desenvolvimento de um Sistema de Medida Directa do Efeito Magnetocalórico
Coorientador de Samuel Coutinho dos Santos
 Mestrado em Engenharia Física (Mestrado)
Universidade de Aveiro Departamento de Física, Portugal

Júri de grau académico

Tema
Tipo de participação 		Nome do candidato (Tipo de grau)
Instituição / Organização
2020/10 Modelling and Simulation of Passive Thermal Systems for Thermal Management
Arguente principal
 Cláudia Rodrigues Fernandes (Mestrado)
Universidade do Porto Departamento de Física e Astronomia, Portugal
2020 A new ANN-based method for evaluating magnetocaloric properties to design a multilayer Active Magnetic Regenerator
Arguente principal
 Manuel Gesù Del Duca (Doutoramento)
Università degli Studi di Salerno Dipartimento di Ingegneria Industriale, Itália
2016 Nature of First-Order Phase Transition Responsible for Giant Magnetocaloric Effect: From Modelling to Assessment in R5(Si,Ge)4 Compounds
Arguente principal
 Rui Mário da Silva Costa (Mestrado)
Universidade do Porto Faculdade de Ciências, Portugal
2016 Magnetic Fluidic-Based Thermal Switch
Arguente principal
 Miguel Martins Dias (Mestrado)
Universidade do Porto Faculdade de Ciências, Portugal

Membro de associação

Nome da associação Tipo de participação
2019 - Atual Associação Nacional de Investigadores em Ciência e Tecnologia Vogal da Direção

Membro de comissão

Descrição da atividade
Tipo de participação 		Instituição / Organização
2019 - Atual Membro do Conselho do Departamento de Física da Universidade de Aveiro.
Membro
 Universidade de Aveiro Departamento de Física, Portugal
2019 - Atual Membro do Conselho Restrito do Departamento de Física da Universidade de Aveiro
Membro
 Universidade de Aveiro Departamento de Física, Portugal