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Identification

Personal identification

Full name
Chandra Sekhar Koppole

Citation names

  • K. C. Sekhar

Author identifiers

Ciência ID
B711-BEE1-A896
ORCID iD
0000-0003-2755-9712

Languages

Language Speaking Reading Writing Listening Peer-review
English Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Hindi Intermediate (B1) Advanced (C1) Beginner (A1) Beginner (A1)
Telugu Advanced (C1) Advanced (C1) Advanced (C1) Advanced (C1)
Education
Degree Classification
2005 - 2009
Concluded
 Ph.D in Physics (Doutoramento)
Indian Institute of Technology Roorkee, India
"STUDIES ON FERROELECTRIC AND SWITCHING PROPERTIES OF SODIUM NITRITE-POLYMER COMPOSITE FILMS" (THESIS/DISSERTATION)
 Awarded
2001 - 2003
Concluded
 M.Sc in Physics (Mestrado)
Acharya Nagarjuna University, India
"Not Applicable" (THESIS/DISSERTATION)
 71.81%
1998 - 2001
Concluded
 B.Sc (Bacharelato)
Acharya Nagarjuna University, India
 86.5%
Affiliation

Science

Category
Host institution 		Employer
2010/12/02 - 2015/06/30 Postdoc (Research) Universidade do Minho, Portugal
2009/11 - 2010/08/30 Researcher (Research) Yonsei University, Seoul, South Korea

Teaching in Higher Education

Category
Host institution 		Employer
2015/07/06 - Current Assistant Professor (University Teacher) Central University of Tamil Nadu, India
2004/06 - 2005/06 Lecturer (University Teacher) A. K. R. G. College, Nallajerla, West Godavari (Dt), Andhra Pradesh , India
2003/05 - 2004/04 Lecturer (University Teacher) National Degree College, Palvoncha, Khamm(Dt) Andhra Pradesh , India
Projects

Grant

Designation Funders
2018/03/15 - 2021/03/14 Novel Memiristors based on lead free ferroelectric-semiconductor Heterostructures
ECR/2017/000068
Principal investigator
Central University of Tamil Nadu, India
 Science and Engineering Research Board
Ongoing
2017/08/16 - 2019/08/15 Development of Functional Materials for memory applications
F.4e5(59-FRP/2014(BSR))
Principal investigator
Central University of Tamil Nadu, India
 University Grants Commission
Concluded
Outputs

Publications

Book
  1. Sekhar, K.C.; Nautiyal, A.; Nath, R.. Structural and ferroelectric properties of NaNO2: PVF composite film. 2009.
    10.4028/www.scientific.net/AMR.67.83
Conference abstract
  1. K. C. Sekhar; H.K.Pyo; S.H.Key; and Y. S. Cho. "Structural and tunable dielectric properties of pulsed laser deposited pure and K-doped BST thin films". Paper presented in International Union of Materials Research Societies-International Conference On Electronic Materials,, Cidade do evento*, 2010.
    Published
  2. A. Nautiyal; K.C.Sekhar; N. P. Pathak; and R. Nath. ""Polarization Switching in Cesium Nitrate:Poly (vinyl alcohol) Composite Films"". Paper presented in International Conference on Multifunctional Oxide Materials(ICMOM) April 16-18,, Department of Physics,, 2009.
    Published
  3. A. Nautiyal; K.C.Sekhar; N. P. Pathak; and R. Nath. ""Study of Ferroelectric Properties of Spray Pyrolysis Deposited Cesium nitrate Films"". Paper presented in International Conference on Materials for Advanced Technologies 2009 and International Union of Materials Research Societies International Conference in Asia 2009(ICMAT & IURMS-ICA 2009) June 28-July 3, Singapore, 2009.
    Published
  4. K.C.Sekhar; A. Nautiyal; and R. Nath. "Structural and Ferroelectric Properties of NaNO2: PVF composite films". Paper presented in International Conference on Nanomaterials and Devices: Processing and Applications (NADAPA 2008), Dec 9-13 2008,, IIT Roorkee, 2008.
    Published
  5. K.C.Sekhar; A. Nautiyal; and R. Nath. "Polarization Switching Behaviour of Ferroelectric Sodium Nitrite Films". Paper presented in 15th National Seminar on Ferroelectric & Dielectrics (NSFD-15), Nov. 06-08, ,, Thapar University, Patiala,, 2008.
    Published
  6. A. Nautiyal; K.C.Sekhar; N. P. Pathak; and R. Nath. "Study of Ferroelectric Properties of Cesium Nitrate Films". Paper presented in 15th National Seminar on Ferroelectric & Dielectrics (NSFD-15), Nov. 06-08, Thapar University,, 2008.
    Published
  7. K.C.Sekhar; and R. Nath. "Correlation between strain and dynamic dielectric behavior of PVA: NaNO2 ferroelectric nanocomposite films". Paper presented in National Symposium on Condensed Matter Physics, Nov 15-17,, Andhra Loyola College, 2007.
    Published
  8. K.C.Sekhar; S. Veerabadhra Rao; J. Thirupathi; and R. Nath. "Polarization Switching Behavior of Ferroelecric Films: Experimental and Simulation". Paper presented in National Conference on Smart Materials and Recent Technologies( SMART-2007), Feb 22-23,, Sri Venkateswara University,, 2007.
    Published
  9. K.C.Sekhar; and R. Nath. "Capacitance-Voltage Characteristics of Poly(vinyl alcohol):Sodium Nitrite Ferroelectric Films". Paper presented in 14th National Seminar on Ferroelectrics and Dielectrics (NSFD-XIV), Dec 18-21, Indian Institute of Technology, 2006.
    Published
Conference paper
  1. Alex, Kevin V.; Govind, Akshay; Ibrahim, A. Sulthan; Sekhar, K. C.. "Structural, optical and photocatalytic properties of mixed phase MoO3 thin film deposited by spray technique". 2019.
    10.1063/1.5093855
  2. Sahoo, A.; Jayakrishnan, A.R.; Kamakshi, K.; Silva, J.P.B.; Sekhar, K.C.; Gomes, M.J.M.. "Optical and electrical properties of sol-gel spin coated titanium dioxide thin films". 2017.
    10.1088/1757-899X/225/1/012021
  3. Sekhar, K.C.; Hameed, A.; Chary, M.N.; Shareefuddin, M.. "Physical, Optical and Electron paramagnetic resonance studies of PbBr2-PbO-B2O3glasses containing Cu2+ions". 2016.
    10.1088/1757-899X/149/1/012167
  4. A. Nautiyal; K.C.Sekhar; N. P. Pathak; and R. Nath. ""Suspended Microstrip line on Multilayer Ferroelectric --Polymer Composite films For Ku-band Tunable Applications" Nov 21-24". Paper presented in International Conference on Recent Advances in MicrowaveTheory and Applications, Univeristy Rajasthan, India, 2008.
    Published
  5. Nautiyal, A.; Sekhar, K.C.; Pathak, N.P.; Nath, R.. "Suspended microstrip line on multilayer ferroelectric-polymer composite film for ku-band tuneable applications". 2008.
    10.1109/AMTA.2008.4763008
Conference poster
  1. K. C. Sekhar; R. Nath; and Y. S. Cho. "Multiferroic Properties of BiFeO3-PVDF Composite Films, Brain Korea Poster Competition, Feb. 10,". Paper presented in Brain Korea Poster Competition, Feb. 10, 2010,, 2010.
  2. A. Nautiyal; K.C.Sekhar; N. P. Pathak; and R. Nath. "Investigation of the Ferroelectric Properties of Cesiun Nitrate: Poly(vinyl alcohol) Composite Films", 20th International Symposium on Integrated Ferroelectrics ( ISIF) 9-12 June 2008, Biopolis, Singapore". Paper presented in 20th International Symposium on Integrated Ferroelectrics ( ISIF) 9-12 June 2008,, 2008.
Journal article
  1. A.R. Jayakrishnan; J.P.B. Silva; K. Kamakshi; V. Annapureddy; I.F. Mercioniu; K.C. Sekhar. "Semiconductor/relaxor 0–3 type composites: A novel strategy for energy storage capacitors". Journal of Science: Advanced Materials and Devices (2021): https://doi.org/10.1016/j.jsamd.2020.09.012.
    10.1016/j.jsamd.2020.09.012
  2. José P. B. Silva; Koppole C. Sekhar; Katerina Veltruská; Vladimir Matolín; Raluca F. Negrea; Corneliu Ghica; Marcelo J. S. Oliveira; et al. "HfO2–Al2O3 Dielectric Layer for a Performing Metal–Ferroelectric–Insulator–Semiconductor Structure with a Ferroelectric 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 Thin Film". ACS Applied Electronic Materials (2020): https://doi.org/10.1021/acsaelm.0c00480.
    10.1021/acsaelm.0c00480
  3. Garg, Tarun; Annapureddy, Venkateswarlu; Sekhar, K. C.; Jeong, Dae-Yong; Dabra, Navneet; Hundal, Jasbir S.. "Modulation in polymer properties in PVDF/BCZT composites with ceramic content and their energy density capabilities". Polymer Composites 41 12 (2020): 5305-5316. http://dx.doi.org/10.1002/pc.25795.
    10.1002/pc.25795
  4. Koppole Kamakshi; J.P.B. Silva; N.S. Kiran Kumar; K.C. Sekhar; M. Pereira. "Robust resistive switching performance of pulsed laser deposited SiC/Ag/SiC tri-layer thin films deposited on a glass substrate". MRS Communications (2020): 1-6. https://doi.org/10.1557/mrc.2020.34.
    10.1557/mrc.2020.34
  5. Kevin Varghese Alex; Parthiban Tamil Pavai; Radhasaran Rugmini; Madavi Shiva Prasad; Koppole Kamakshi; Koppole Chandra Sekhar. "Green Synthesized Ag Nanoparticles for Bio-Sensing and Photocatalytic Applications". ACS Omega (2020): https://doi.org/10.1021/acsomega.0c01136.
    10.1021/acsomega.0c01136
  6. Jayakrishnan, Ampattu Ravikumar; Alex, Kevin V.; Tharakan, Anoja Tony; Kamakshi, Koppole; Silva, José PB; Prasad, Madavi Shiva; Sekhar, Koppole C.; Gomes, Maria J. M.. "Barium-Doped Zinc Oxide Thin Films as Highly Efficient and Reusable Photocatalysts". ChemistrySelect 5 9 (2020): 2824-2834. http://dx.doi.org/10.1002/slct.201904943.
    10.1002/slct.201904943
  7. J. P. B. Silva; E. M. F. Vieira; J. M. B. Silva; K. Gwozdz; F. G. Figueiras; K. Veltruská; V. Matolín; et al. "Perovskite ferroelectric thin film as an efficient interface to enhance the photovoltaic characteristics of Si/SnOx heterojunctions". Journal of Materials Chemistry A (2020): https://doi.org/10.1039/D0TA02198A.
    10.1039/D0TA02198A
  8. J. P. B. Silva; J. M. B. Silva; K. C. Sekhar; H. Palneedi; M. C. Istrate; R. F. Negrea; C. Ghica; et al. "Energy storage performance of ferroelectric ZrO2 film capacitors: effect of HfO2:Al2O3 dielectric insert layer". Journal of Materials Chemistry A (2020): https://doi.org/10.1039/D0TA04984K.
    10.1039/D0TA04984K
  9. Silva, J. P. B.; Vieira, E. M. F.; Silva, J. M. B.; Gwozdz, K.; Figueiras, F. G.; Veltruská, K.; Matolín, V.; et al. "Perovskite ferroelectric thin film as an efficient interface to enhance the photovoltaic characteristics of Si/SnOx heterojunctions". Journal of Materials Chemistry A 8 22 (2020): 11314-11326. http://dx.doi.org/10.1039/d0ta02198a.
    10.1039/d0ta02198a
  10. A.R. Jayakrishnan; Penna Venkata Karthik Yadav; J.P.B. Silva; K.C. Sekhar. "Microstructure tailoring for enhancing the energy storage performance of 0.98[0.6Ba(Zr0.2Ti0.8)O3-0.4(Ba0.7Ca0.3)TiO3]-0.02BiZn1/2Ti1/2O3 ceramic capacitors". Journal of Science: Advanced Materials and Devices (2019): https://doi.org/10.1016/j.jsamd.2019.12.001.
    10.1016/j.jsamd.2019.12.001
  11. A. R. Jayakrishnan; Kevin V. Alex; K. Kamakshi; J. P. B. Silva; K. C. Sekhar; M. J. M. Gomes. "Enhancing the dielectric relaxor behavior and energy storage properties of 0.6Ba(Zr0.2Ti0.8)O3–0.4(Ba0.7Ca0.3)TiO3 ceramics through the incorporation of paraelectric SrTiO3". Journal of Materials Science: Materials in Electronics 30 21 (2019): 19374-19382. https://doi.org/10.1007/s10854-019-02299-5.
    10.1007/s10854-019-02299-5
  12. Kevin V. Alex; Aarya Prabhakaran; A. R. Jayakrishnan; K. Kamakshi; J. P. B. Silva; K. C. Sekhar. "Charge Coupling Enhanced Photocatalytic Activity of BaTiO3/MoO3 Heterostructures". ACS Applied Materials & Interfaces (2019): https://doi.org/10.1021/acsami.9b14919.
    10.1021/acsami.9b14919
  13. Jayakrishnan, A.R.; Alex, Kevin V.; Thomas, Athul; Silva, J.P.B.; Kamakshi, K.; Dabra, Navneet; Sekhar, K.C.; Agostinho Moreira, J.; Gomes, M.J.M.. "Composition-dependent xBa(Zr0.2Ti0.8)O3-(1-x)(Ba0.7Ca0.3)TiO3 bulk ceramics for high energy storage applications". Ceramics International 45 5 (2019): 5808-5818. http://dx.doi.org/10.1016/j.ceramint.2018.11.250.
    10.1016/j.ceramint.2018.11.250
  14. Kevin V Alex; A R Jayakrishnan; Ajeesh Kumar S; A Sulthan Ibrahim; K Kamakshi; J P B Silva; K C Sekhar; M J M Gomes. "Substrate temperature induced effect on microstructure, optical and photocatalytic activity of ultrasonic spray pyrolysis deposited MoO3 thin films". Materials Research Express 6 6 (2019): 066421-066421. https://doi.org/10.1088/2053-1591/ab0f7a.
    10.1088/2053-1591/ab0f7a
  15. Silva, José P. B.; Silva, João M. B.; Oliveira, Marcelo J. S.; Weingärtner, Tobias; Sekhar, Koppole C.; Pereira, Mário; Gomes, Maria J. M.. "High-Performance Ferroelectric–Dielectric Multilayered Thin Films for Energy Storage Capacitors". Advanced Functional Materials 29 6 (2018): 1807196. http://dx.doi.org/10.1002/adfm.201807196.
    10.1002/adfm.201807196
  16. Kamakshi, K.; Silva, J.P.B.; Sekhar, K.C.; Agostinho Moreira, J.; Almeida, A.; Pereira, M.; Gomes, M.J.M.. "Substrate Temperature Effect on Microstructure, Optical, and Glucose Sensing Characteristics of Pulsed Laser Deposited Silver Nanoparticles". Plasmonics 13 4 (2018): 1235-1241. http://www.scopus.com/inward/record.url?eid=2-s2.0-85021733606&partnerID=MN8TOARS.
    10.1007/s11468-017-0625-y
  17. Oliveira, M.J.S.; Silva, J.P.B.; Veltruská, K.; Matolín, V.; Sekhar, K.C.; Moreira, J.A.; Pereira, M.; Gomes, M.J.M.. "Annealing induced effect on the physical properties of ion-beam sputtered 0.5 Ba(Zr0.2Ti0.8)O3– 0.5 (Ba0.7Ca0.3)TiO3-dferroelectric thin films". Applied Surface Science 443 (2018): 354-360. http://www.scopus.com/inward/record.url?eid=2-s2.0-85043300185&partnerID=MN8TOARS.
    10.1016/j.apsusc.2018.02.269
  18. Silva, J.M.B.; Silva, J.P.B.; Sekhar, K.C.; Pereira, M.; Gomes, M.J.M.. "Impact of the ferroelectric layer thickness on the resistive switching characteristics of ferroelectric/dielectric structures". Applied Physics Letters 113 10 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85052994777&partnerID=MN8TOARS.
    10.1063/1.5047853
  19. Silva, J.P.B.; Wang, J.; Koster, G.; Rijnders, G.; Negrea, R.F.; Ghica, C.; Sekhar, K.C.; Moreira, J.A.; Gomes, M.J.M.. "Hysteretic Characteristics of Pulsed Laser Deposited 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3/ZnO Bilayers". ACS Applied Materials and Interfaces 10 17 (2018): 15240-15249. http://www.scopus.com/inward/record.url?eid=2-s2.0-85046364208&partnerID=MN8TOARS.
    10.1021/acsami.8b01695
  20. Silva, J.P.B.; Sekhar, K.C.; Cortés-Juan, F.; Negrea, R.F.; Kuncser, A.C.; Connolly, J.P.; Ghica, C.; Moreira, J.A.. "Ferroelectric photovoltaic characteristics of pulsed laser deposited 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3/ZnO heterostructures". Solar Energy 167 (2018): 18-23. http://www.scopus.com/inward/record.url?eid=2-s2.0-85056233713&partnerID=MN8TOARS.
    10.1016/j.solener.2018.03.072
  21. Ahmed, M.R.; Sekhar, K.C.; Hameed, A.; Chary, M.N.; Shareefuddin, M.. "Role of aluminum on the physical and spectroscopic properties of chromium-doped strontium alumino borate glasses". International Journal of Modern Physics B 32 8 (2018): http://www.scopus.com/inward/record.url?eid=2-s2.0-85039171379&partnerID=MN8TOARS.
    10.1142/S0217979218500959
  22. Silva, J.P.B.; Kamakshi, K.; Sekhar, K.C.; Nóvoa, X.R.; Queirós, E.C.; Moreira, J. Agostinho; Almeida, A.; et al. "Light controlled resistive switching and photovoltaic effects in ferroelectric 0.5Ba(Zr 0.2 Ti 0.8 )O 3 -0.5(Ba 0.7 Ca 0.3 )TiO 3 thin films". Journal of the European Ceramic Society 37 2 (2017): 583-591. http://dx.doi.org/10.1016/j.jeurceramsoc.2016.09.011.
    10.1016/j.jeurceramsoc.2016.09.011
  23. Sekhar, K.C.; Hameed, A.; Ramadevudu, G.; Chary, M.N.; Shareefuddin, M.. "Physical and spectroscopic studies on manganese ions in lead halo borate glasses". Modern Physics Letters B 31 16 (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85020308204&partnerID=MN8TOARS.
    10.1142/S0217984917501809
  24. Silva, J.P.B.; Faita, F.L.; Kamakshi, K.; Sekhar, K.C.; Moreira, J.A.; Almeida, A.; Pereira, M.; Pasa, A.A.; Gomes, M.J.M.. "Enhanced resistive switching characteristics in Pt/BaTiO3/ITO structures through insertion of HfO2:Al2O3 (HAO) dielectric thin layer". Scientific Reports 7 (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85017368347&partnerID=MN8TOARS.
    10.1038/srep46350
  25. Kunti, A.K.; Sekhar, K.C.; Pereira, M.; Gomes, M.J.M.; Sharma, S.K.. "Oxygen partial pressure induced effects on the microstructure and the luminescence properties of pulsed laser deposited TiO2thin films". AIP Advances 7 1 (2017): http://www.scopus.com/inward/record.url?eid=2-s2.0-85009776743&partnerID=MN8TOARS.
    10.1063/1.4973721
  26. Silva, J.P.B.; Vorokhta, M.; Dvorák, F.; Sekhar, K.C.; Matolín, V.; Moreira, J.A.; Pereira, M.; Gomes, M.J.M.. "Unraveling the resistive switching effect in ZnO/0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 heterostructures". Applied Surface Science 400 (2017): 453-460. http://www.scopus.com/inward/record.url?eid=2-s2.0-85008318992&partnerID=MN8TOARS.
    10.1016/j.apsusc.2016.12.092
  27. Silva, J.P.B.; Kamakshi, K.; Sekhar, K.C.; Nóvoa, X.R.; Queirós, E.C.; Moreira, J.A.; Almeida, A.; et al. "Light controlled resistive switching and photovoltaic effects in ferroelectric 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3 thin films". Journal of the European Ceramic Society 37 2 (2017): 583-591. http://www.scopus.com/inward/record.url?eid=2-s2.0-84992178550&partnerID=MN8TOARS.
    10.1016/j.jeurceramsoc.2016.09.011
  28. Silva, J.P.B.; Kamakshi, K.; Sekhar, K.C.; Agostinho Moreira, J.; Almeida, A.; Pereira, M.; Gomes, M.J.M.. "Light-controlled resistive switching in laser-assisted annealed Ba0.8Sr0.2TiO3 thin films". Physica Status Solidi (A) Applications and Materials Science 213 4 (2016): 1082-1087. http://www.scopus.com/inward/record.url?eid=2-s2.0-84950122116&partnerID=MN8TOARS.
    10.1002/pssa.201532636
  29. Silva, J.P.B.; Kamakshi, K.; Sekhar, K.C.; Moreira, J.A.; Almeida, A.; Pereira, M.; Gomes, M.J.M.. "Ferroelectric polarization and resistive switching characteristics of ion beam assisted sputter deposited BaTiO3 thin films". Journal of Physics and Chemistry of Solids 92 (2016): 7-10. http://www.scopus.com/inward/record.url?eid=2-s2.0-84955505525&partnerID=MN8TOARS.
    10.1016/j.jpcs.2016.01.012
  30. Kunti, A.K.; Sekhar, K.C.; Pereira, M.; Gomes, M.J.M.; Sharma, S.K.. "Synthesis, Structural and Luminescence Studies of Pyrochlore Phase Free TiO2:Dy3+Produced by Solid-state Reaction Method". International Journal of Applied Ceramic Technology 13 6 (2016): 1139-1148. http://www.scopus.com/inward/record.url?eid=2-s2.0-84982965823&partnerID=MN8TOARS.
    10.1111/ijac.12573
  31. Kamakshi, K.; Silva, J.P.B.; Sekhar, K.C.; Marslin, G.; Moreira, J.A.; Conde, O.; Almeida, A.; Pereira, M.; Gomes, M.J.M.. "Influence of substrate temperature on the properties of pulsed laser deposited silver nanoparticle thin films and their application in SERS detection of bovine serum albumin". Applied Physics B: Lasers and Optics 122 5 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-85007276056&partnerID=MN8TOARS.
    10.1007/s00340-016-6385-0
  32. Choi, H.R.; Sekhar, K.; Jo, A.R.; Cho, Y.S.. "Dielectric Characteristics of UV-Curable CaCu3Ti4O12 Composite Thick Film Capacitors on Cu Foils". International Journal of Applied Ceramic Technology 13 4 (2016): 685-689. http://www.scopus.com/inward/record.url?eid=2-s2.0-84977655102&partnerID=MN8TOARS.
    10.1111/ijac.12545
  33. Silva, J.P.B.; Kamakshi, K.; Sekhar, K.C.; Queirós, E.C.; Agostinho Moreira, J.; Almeida, A.; Pereira, M.; Tavares, P.B.; Gomes, M.J.M.. "Resistive switching in ferroelectric lead-free 0.5Ba (Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3thin films". Journal of Physics D: Applied Physics 49 33 (2016): http://www.scopus.com/inward/record.url?eid=2-s2.0-84984601367&partnerID=MN8TOARS.
    10.1088/0022-3727/49/33/335301
  34. Sekhar, K.C.; Kamakshi, K.; Bernstorff, S.; Gomes, M.J.M.. "Effect of annealing temperature on photoluminescence and resistive switching characteristics of ZnO/Al2O3multilayer nanostructures". Journal of Alloys and Compounds 619 (2015): 248-252. http://www.scopus.com/inward/record.url?eid=2-s2.0-84907478457&partnerID=MN8TOARS.
    10.1016/j.jallcom.2014.09.067
  35. Kamakshi, K.; Sekhar, K.C.; Almeida, A.; Moreira, J.A.; Gomes, M.J.M.. "Surface Plasmon Resonance-Coupled Photoluminescence and Resistive Switching Behavior of Pulsed Laser-Deposited Ag:SiC Nanocermet Thin Films". Plasmonics 10 5 (2015): 1211-1217. http://www.scopus.com/inward/record.url?eid=2-s2.0-84941878876&partnerID=MN8TOARS.
    10.1007/s11468-015-9915-4
  36. Silva, J.P.B.; Queirós, E.C.; Tavares, P.B.; Sekhar, K.C.; Kamakshi, K.; Moreira, J.A.; Almeida, A.; Pereira, M.; Gomes, M.J.M.. "Ferroelectric phase transitions studies in 0.5Ba(Zr0.2Ti0.8)O3-0.5(Ba0.7Ca0.3)TiO3ceramics". Journal of Electroceramics 35 1-4 (2015): 135-140. http://www.scopus.com/inward/record.url?eid=2-s2.0-84949321298&partnerID=MN8TOARS.
    10.1007/s10832-015-0005-y
  37. Karzazi, O.; Sekhar, K.C.; El Amiri, A.; Hlil, E.K.; Conde, O.; Levichev, S.; Agostinho Moreira, J.; et al. "Structural, optical and magnetic properties of pulsed laser deposited Co-doped ZnO films". Journal of Magnetism and Magnetic Materials 395 (2015): 28-33. http://www.scopus.com/inward/record.url?eid=2-s2.0-84937469229&partnerID=MN8TOARS.
    10.1016/j.jmmm.2015.07.030
  38. Kamakshi, K.; Sekhar, K.C.; Almeida, A.; Agostinho Moreira, J.; Gomes, M.J.M.. "Tuning the surface plasmon resonance and surface-enhanced Raman scattering of pulsed laser deposited silver nanoparticle films by ambience and deposition temperature". Journal of Optics (United Kingdom) 16 5 (2014): http://www.scopus.com/inward/record.url?eid=2-s2.0-84899748253&partnerID=MN8TOARS.
    10.1088/2040-8978/16/5/055002
  39. Sekhar, K.C.; Levichev, S.; Buljan, M.; Bernstorff, S.; Kamakshi, K.; Chahboun, A.; Almeida, A.; et al. "Effect of bi-layer ratio in ZnO/Al2O3 multilayers on microstructure and functional properties of ZnO nanocrystals embedded in Al 2O3 matrix". Applied Physics A: Materials Science and Processing 115 1 (2014): 283-289. http://www.scopus.com/inward/record.url?eid=2-s2.0-84897917252&partnerID=MN8TOARS.
    10.1007/s00339-013-7809-x
  40. Koppole, Chandra. "Ferroelectric properties of pulsed laser deposited PZT (92/8) thin films". Journal of Materials Science: Materials in Electronics (2013): http://link.springer.com/article/10.1007/s10854-013-1529-z.
    10.1007/s10854-013-1529-z
  41. Koppole, Chandra. "Semiconductor layer thickness impact on optical and resistive switching behavior of pulsed laser deposited BaTiO3/ZnO heterostructures". Applied Physics Letters (2013): http://scitation.aip.org/content/aip/journal/apl/102/21/10.1063/1.4809531.
    http://dx.doi.org/10.1063/1.4809531
  42. Koppole, Chandra. "Influence of laser repetition rate on ferroelectric properties of pulsed laser deposited BaTiO3 films on platinized silicon substrate". Applied Physics A (2013): http://link.springer.com/article/10.1007/s00339-013-7948-0.
    10.1007/s00339-013-7948-0
  43. Sekhar, Koppole C.; Hong, Kyung Pyo; Key, Sung Hun; Han, Chan Su; Kim, Jun Chul; Kim, Dong Soo; Park, Jong Chul; Cho, Yong Soo. "Enhanced dielectric and tunable characteristics of K-doped Ba0.5Sr0.5TiO3 thin films prepared by pulsed laser deposition". Thin Solid Films 527 (2013): 267-272. http://dx.doi.org/10.1016/j.tsf.2012.11.012.
    10.1016/j.tsf.2012.11.012
  44. Sekhar, K.C.; Silva, J.P.B.; Kamakshi, K.; Pereira, M.; Gomes, M.J.M.. "Semiconductor layer thickness impact on optical and resistive switching behavior of pulsed laser deposited BaTiO3/ZnO heterostructures". Applied Physics Letters 102 21 (2013): http://www.scopus.com/inward/record.url?eid=2-s2.0-84879117930&partnerID=MN8TOARS.
    10.1063/1.4809531
  45. Silva, J.P.B.; Sekhar, K.C.; Rodrigues, S.A.S.; Pereira, M.; Parisini, A.; Alves, E.; Barradas, N.P.; Gomes, M.J.M.. "On the formation of an interface amorphous layer in nanostructured ferroelectric Ba0.8Sr0.2TiO3 thin films integrated on Pt-Si and its effect on the electrical properties". Applied Surface Science 278 (2013): 136-141. http://www.scopus.com/inward/record.url?eid=2-s2.0-84878555779&partnerID=MN8TOARS.
    10.1016/j.apsusc.2012.11.161
  46. Silva, J.P.B.; Sekhar, K.C.; Almeida, A.; Agostinho Moreira, J.; Pereira, M.; Gomes, M.J.M.. "Effects of oxygen partial pressure on the ferroelectric properties of pulsed laser deposited Ba0.8Sr0.2TiO3 thin films". Applied Physics A: Materials Science and Processing 113 3 (2013): 817-824. http://www.scopus.com/inward/record.url?eid=2-s2.0-84887153884&partnerID=MN8TOARS.
    10.1007/s00339-013-7602-x
  47. Sekhar, K.C.; Hong, K.P.; Key, S.H.; Han, C.S.; Kim, J.C.; Kim, D.S.; Park, J.C.; Cho, Y.S.. "Enhanced dielectric and tunable characteristics of K-doped Ba 0.5Sr0.5TiO3 thin films prepared by pulsed laser deposition". Thin Solid Films 527 (2013): 267-272. http://www.scopus.com/inward/record.url?eid=2-s2.0-84872605023&partnerID=MN8TOARS.
    10.1016/j.tsf.2012.11.012
  48. Sekhar, K.C.; Levichev, S.; Kamakshi, K.; Doyle, S.; Chahboun, A.; Gomes, M.J.M.. "Effect of rapid thermal annealing on texture and properties of pulsed laser deposited zinc oxide thin films". Materials Letters 98 (2013): 149-152. http://www.scopus.com/inward/record.url?eid=2-s2.0-84875155826&partnerID=MN8TOARS.
    10.1016/j.matlet.2013.02.032
  49. Silva, José P.B.; Sekhar, Koppole C.; Rodrigues, Sofia A.S.; Khodorov, Anatoli; Martín-Sanchez, Javier; Pereira, Mário; Gomes, Maria J.M.. "Ferroelectric switching behavior of pulsed laser deposited Ba0.8Sr0.2TiO3 thin films". Current Applied Physics 12 4 (2012): 1144-1147. http://dx.doi.org/10.1016/j.cap.2012.02.036.
    10.1016/j.cap.2012.02.036
  50. Silva, José P.B.; Sekhar, Koppole C.; Rodrigues, Sofia A.S.; Khodorov, Anatoli; Martín-Sanchez, Javier; Pereira, Mário; Gomes, Maria J.M.. "Ferroelectric switching behavior of pulsed laser deposited Ba0.8Sr0.2TiO3 thin films". Current Applied Physics 12 4 (2012): 1144-1147. http://dx.doi.org/10.1016/j.cap.2012.02.036.
    10.1016/j.cap.2012.02.036
  51. Sekhar, K.C.; Key, S.H.; Hong, K.P.; Han, C.S.; Yook, J.M.; Kim, D.S.; Kim, J.C.; Park, J.C.; Cho, Y.S.. "Thickness-dependent tunable characteristics of (Ba 0.5Sr 0.5) 0.925K 0.075TiO 3 thin films prepared by pulsed laser deposition". Current Applied Physics 12 3 (2012): 654-658. http://www.scopus.com/inward/record.url?eid=2-s2.0-84857459283&partnerID=MN8TOARS.
    10.1016/j.cap.2011.09.017
  52. Silva, J.P.B.; Sekhar, K.C.; Rodrigues, S.A.S.; Khodorov, A.; Martín-Sanchez, J.; Pereira, M.; Gomes, M.J.M.. "Ferroelectric switching behavior of pulsed laser deposited Ba 0.8Sr 0.2TiO 3 thin films". Current Applied Physics 12 4 (2012): 1144-1147. http://www.scopus.com/inward/record.url?eid=2-s2.0-84860218756&partnerID=MN8TOARS.
    10.1016/j.cap.2012.02.036
  53. Sekhar, K.C.; Khodorov, A.; Chahboun, A.; Levichev, S.; Almeida, A.; Moreira, J.A.; Kamakshi, K.; et al. "Oxygen partial pressure effect on structural and electrical behavior of pulsed laser deposited Zn 0.98Co 0.02O thin films". Materials Chemistry and Physics 135 1 (2012): 174-180. http://www.scopus.com/inward/record.url?eid=2-s2.0-84861914123&partnerID=MN8TOARS.
    10.1016/j.matchemphys.2012.04.047
  54. Silva, J.P.B.; Sekhar, K.C.; Almeida, A.; Moreira, J.A.; Martín-Sánchez, J.; Pereira, M.; Khodorov, A.; Gomes, M.J.M.. "Effect of Pt bottom electrode texture selection on the tetragonality and physical properties of Ba0.8Sr0.2TiO3thin films produced by pulsed laser deposition". Journal of Applied Physics 112 4 (2012): http://www.scopus.com/inward/record.url?eid=2-s2.0-84865842094&partnerID=MN8TOARS.
    10.1063/1.4748288
  55. Koppole, Chandra. "Ferroelectric and Magnetic Properties of Hot-Pressed BiFeO3-PVDF Composite Films". ISRN Materials Science (2011): http://www.hindawi.com/isrn/materials.science/2011/142968/.
    http://dx.doi.org/10.5402/2011/142968
  56. Nautiyal, A.; Dabra, N.; Sekhar, K.C.; Hundal, J.S.; Pathak, N.P.; Nath, R.. "Switching kinetics in cesium nitrate: Poly (vinyl alcohol) composite film". Ferroelectrics, Letters Section 38 1-3 (2011): 51-58. http://www.scopus.com/inward/record.url?eid=2-s2.0-79959351125&partnerID=MN8TOARS.
    10.1080/07315171.2011.570181
  57. A. Nautiyal; K. C. Sekhar; N. P. Pathak; and R. Nath. "Study of Ferroelectric Properties of Spray Pyrolysis Deposited Cesium Nitrate Films". Thin Solid Films (On line DOI: 10.1016/j.tsf.2010.03.100). -- (2010): 1-3.
    Published • 10.1016/j.tsf.2010.03.100
  58. A. Nautiyal; K. C. Sekhar; N. P. Pathak; N. Dabra; J. S. Hundal; and R. Nath. ""Polarization Switching Properties of Spray Deposited CsNO3: PVA Composite Films"". Appl. Phys. A: Mater. Sci. Process., (On line, DOI 10.1007/s00339-010-5699-8). 99 4 (2010): 941-946.
    Published • 10.1007/s00339-010-5699-8
  59. N. Dabra; J. S. Hundal; A. Nautiyal; K. C. Sekhar; and R. Nath. ""Analysis of Ferroelectric Polarization Switching in (NH4)0:39K0:61NO3 (NKN) Films Using Nucleation Limited Switching Model"". J.Appl.Phys. -- (2010): 0-0.
    Accepted
  60. S.H. Na Doo; Y. H.Jo; J. S. Lee; Bhaskar C Mohanty; K. C. Sekhar; and Y. S. Cho. ""Enhanced Quality Factor of Zinc Lanthanum Borates-Based Dielectrics via the Control of ZnO/B2O3 Ratio"". J. Am. Ceram. Soc. 93 2 (2010): 334-337.
    Published
  61. Dabra, N.; Hundal, J.S.; Nautiyal, A.; Sekhar, K.C.; Nath, R.. "Analysis of ferroelectric polarization switching in (NH4)0.39K0.61NO3films using nucleation limited switching model". Journal of Applied Physics 108 2 (2010): http://www.scopus.com/inward/record.url?eid=2-s2.0-77955789908&partnerID=MN8TOARS.
    10.1063/1.3457228
  62. Doo, S.H.N.; Jo, Y.H.; Lee, J.S.; Mohanty, B.C.; Sekhar, K.C.; Cho, Y.S.. "Enhanced quality factor of zinc lanthanum borates-based dielectrics via the control of ZnO/B2O3 ratio". Journal of the American Ceramic Society 93 2 (2010): 334-337. http://www.scopus.com/inward/record.url?eid=2-s2.0-76049095780&partnerID=MN8TOARS.
    10.1111/j.1551-2916.2009.03411.x
  63. Koppole, Chandra. "Ferroelectric phase stability studies in spray deposited KNO3: PVA composite films". Journal of the American Ceramic Society (2009): http://onlinelibrary.wiley.com/doi/10.1111/j.1551-2916.2009.02976.x/full.
    DOI: 10.1111/j.1551-2916.2009.02976.x
  64. K.C.Sekhar; A. Nautiyal; and R. Nath. ""Analysis of Ferroelectric Switching in Sodium Nitrite:Poly(vinyl alcohol) Nanocomposite Films ",". Appl. Phys. A: Mater. Sci. & Process., 95 2 (2009): 415-421.
    Published
  65. K.C.Sekhar; A. Nautiyal; and R. Nath. ""Structural and Ferroelectric Properties of Spray Deposited Sodium Nitrite:Poly(vinyl alcohol) Composite Films"". J. Appl. Phys. 105 2 (2009): 024109-024109.
    Published
  66. K.C.Sekhar; and R. Nath. ""Polarization Reversal Behavior of Spray Deposited Sodium Nitrite:Poly(vinyl alcohol) Composite Films"". Appl. Phys. Lett. 94 10 (2009): 102905-102905.
    Published
  67. K.C.Sekhar; A. Nautiyal; and R. Nath. ""Structural and Ferroelectric Properties of NaNO2: PVF Composite Film"". Advanced Materials Research 67 N.A (2009): 83-88.
    Published
  68. A. Nautiyal; K.C.Sekhar; N. P. Pathak; and R. Nath. ""Ferroelectric and Phase Transition Studies in Cesium Nitrate: Poly(vinyl alcohol) Composite Films "". Appl. Phys. A: Mater. Sci & Process. 97 1 (2009): 205-210.
    Published
  69. N. Dabra; J. S. Hundal; K.C.Sekhar; A. Nautiyal; and R. Nath. ""Preparation and Characterization of the Ferroelectric Potassiun Nitrate: Poly (vinyl alcohol) Composite Films"". IEEE Trans. Ultra. Ferro. Freq. control. 56 2 (2009): 1627-1633.
    Published
  70. N. Dabra; J. S. Hundal; K.C.Sekhar; A. Nautiyal; and R. Nath. ""Ferroelectric Phase Stability Studies in Spray Deposited KNO3:PVA Composite Films"". J. Am. Ceram. Soc. 92 4 (2009): 834-838.
    Published
  71. Sekhar, K.C.; Nautiyal, A.; Nath, R.. "Structural and ferroelectric properties of spray deposited sodium nitrite:poly(vinyl alcohol) composite films". Journal of Applied Physics 105 2 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-59349085532&partnerID=MN8TOARS.
    10.1063/1.3072626
  72. Sekhar, K.C.; Nath, R.. "Polarization reversal behavior of spray deposited sodium nitrite:poly(vinyl alcohol) composite films". Applied Physics Letters 94 10 (2009): http://www.scopus.com/inward/record.url?eid=2-s2.0-62549162665&partnerID=MN8TOARS.
    10.1063/1.3098355
  73. Sekhar, K.C.; Nautiyal, A.; Nath, R.. "Analysis of ferroelectric switching in sodium nitrite:poly(vinyl alcohol) nanocomposite films". Applied Physics A: Materials Science and Processing 95 2 (2009): 415-421. http://www.scopus.com/inward/record.url?eid=2-s2.0-62349138482&partnerID=MN8TOARS.
    10.1007/s00339-008-4887-2
  74. Dabra, N.; Hundal, J.S.; Sekhar, K.C.; Nautiyal, A.; Nath, R.. "Preparation and characterization of the ferroelectric potassium nitrate: Poly(vinyl alcohol) composite films". IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control 56 8 (2009): 1627-1633. http://www.scopus.com/inward/record.url?eid=2-s2.0-68649109414&partnerID=MN8TOARS.
    10.1109/TUFFC.2009.1227
  75. Nautiyal, A.; Sekhar, K.C.; Pathak, N.P.; Nath, R.. "Ferroelectric and phase transition studies in cesium nitrate: Poly(vinyl alcohol) composite films". Applied Physics A: Materials Science and Processing 97 1 (2009): 205-210. http://www.scopus.com/inward/record.url?eid=2-s2.0-69549112976&partnerID=MN8TOARS.
    10.1007/s00339-009-5165-7
  76. K.C.Sekhar; A. Nautiyal; and R. Nath. ""Polarization Switching in Ferroelectric Sodium Nitrite Thick Film"". Appl. Phys. Express 1 9 (2008): 091601-091601.
    Published
  77. Sekhar, K.C.; Nautiyal, A.; Nath, R.. "Polarization switching in ferroelectric sodium nitrite thick film". Applied Physics Express 1 9 (2008): 0916011-0916013. http://www.scopus.com/inward/record.url?eid=2-s2.0-57649109231&partnerID=MN8TOARS.
    10.1143/APEX.1.091601
  78. K.C.Sekhar; R.Nath. ""Study of Ferroelectric Properties of Sodium Nitrite: Poly(vinyl alcohol) Nanocomposite films".". J. Appl. Phys. 102 4 (2007): 044114-044114.
    Published
  79. Sekhar, K.C.; Nath, R.. "Study of ferroelectric properties in sodium nitrite:poly(vinyl alcohol) nanocomposite films". Journal of Applied Physics 102 4 (2007): http://www.scopus.com/inward/record.url?eid=2-s2.0-34548438473&partnerID=MN8TOARS.
    10.1063/1.2772599
Activities

Oral presentation

Presentation title Event name
Host (Event location)
2008 Study of Domain Switching in Ferroelectric Sodium Nitrite Films at 20th International Symposium on Integrated Ferro electrics ( ISIF-2009) 9-12 June 20th International Symposium on Integrated Ferro electrics ( ISIF-2009) 9-12 June 2008,
(Singapore)
2008 Ferroelectric Phase Stability stud ies in KNO3: PVA Composite Films Using Spray Technique", 20th International Sym posium on Integrated Ferroelectrics ( ISIF) 9-12 June 2008, Biopolis, Singapore 20th International Sym posium on Integrated Ferroelectrics ( ISIF) 9-12 June 2008, Biopolis, Singapore
(Singapore)
2008 Structural and Ferroelectric Properties of NaNO2: PVF composite films", at International Conference on Nanomaterials and Devices: Processing and Applications ( NADAPA 2008), Dec 9-13 2008, IIT Roorkee, India International Conference on Nanomaterials and Devices: Processing and Applications ( NADAPA 2008), Dec 9-13 2008, IIT Roorkee,
(India)
2008 Polarization Switching Behavior of Ferroelectric Sodium Nitrite Films", 15th National Seminar on Ferroelectrics and Dielectrics (NSFD-XV), at Thapar University, Patiala, India, November 6-8, 15th National Seminar on Ferroelectrics and Dielectrics NSFD-XV), at Thapar University,
(India)
2007 Correlation between strain and dynamic dielectric be havior of PVA: NaNO2 ferroelectric nanocomposite films", National symposium on condensed matter physics, 15-17 Nov 2007, Andhra loyola college (Autonomous), Vijayawada (India) National Symposium on Condensed Matter Physics, 15-17 Nov 2007, Andhra Loyola College (Autonomous),
(India)
2007 Polarization Switching Behavior of Ferroelecric Films: Experimental and Simulation", National Conference on Smart Materials and Recent Technologies( SMART-2007), Sri Venkateswara University, Thirupathi , 22-23 Feb National Conference on Smart Materials and Recent Technologies( SMART-2007),
Sri Venkateswara University, (India)
2006 Capacitance-Voltage Characteristics of Poly(vinyl alcohol):Sodium Nitrite Ferroelectric Films", 14th National Seminar on Ferroelectrics and Dielectrics (NSFD-XIV), Indian Institute of Technology, Kharagpur, 18-21 Dec 14th National Seminar on Ferroelectrics and Dielectrics (NSFD-XIV),
Indian Institute of Technology, (India)
Distinctions

Award

2016 Young Scientist Award
Venus International Foundation, India

Other distinction

2010 Best Research Award in BK Contest
Department of Materials Science & Engineering, Yonsei University, Portugal
2009 Brain Korean21 Postdoctoral Fellowship
Yonsei University,Seoul, Republic of Korea, Portugal
2008 Senior Research Fellowship
CSIR New Delhi, India, Portugal
2005 MHRD fellowship
Indian Institute of Technology, Roorkee, India, Portugal
2003 M.Sc - Merit Certificate
Nagarjuna University, Guntur, Portugal