Article

Kumari, Shalini and Pradhan, Dhiren K. and Das, Proloy T. and Ortega, Nora and Pradhan, Kallol and Kumar, Ashok and Scott, J. F. and Katiyar, Ram S. (2017) Evidence of strong magneto-dielectric coupling and enhanced electrical insulation at room temperature in Nd and Mn co-doped bismuth ferrite. Journal of Applied Physics , 122 (144102). ISSN 0021-8979

Borkar, Hitesh and Tomar, M. and Gupta, Vinay and Katiyar, Ram S. and Scott, J. F. and Kumar, Ashok (2017) Optically controlled polarization in highly oriented ferroelectric thin films. Materials Research Express, 4 (08640). pp. 1-9. ISSN 2053-1591

Pradhan, Dhiren K. and Kumari, Shalini and Puli, Venkata S. and Das, Proloy T. and Pradhan, Dillip K. and Kumar, Ashok and Scott, J. F. and Katiyar, Ram S. (2017) Correlation of dielectric, electrical and magnetic properties near the magnetic phase transition temperature of cobalt zinc ferrite. Physical Chemistry Chemical Physics, 19 (1). 210-218. ISSN 1463-9076

Schiemer, J. A. and Lascu, I. and Harrison, R. J. and Kumar, A. and Katiyar, R. S. and Sanchez, D. A. and Ortega, N. and Mejia, C. Salazar and Schnelle, W. and Shinohara, H. and Heap, A. J. F. and Nagaratnam, R. and Dutton, S. E. and Scott, J. F. and Nair, B. and Mathur, N. D. and Carpenter, M. A (2017) Elastic and anelastic relaxation behaviour of perovskite multiferroics II: PbZr0.53Ti0.47O3 (PZT)-PbFe0.5Ta0.5O3 (PFT). Journal of Materials Science, 52. pp. 285-304. ISSN 0022-2461

Borkar, Hitesh and Rao, Vaibhav and Tomar, M. and Gupta, Vinay and Scott, J. F. and Kumar, Ashok (2017) Experimental evidence of electronic polarization in a family of photo-ferroelectrics. RSC Advances , 7. pp. 12842-12855. ISSN 2046-2069

Schiemer, J. A. and Lascu, I. and Harrison, R. J. and Kumar, A. and Katiyar, R. S. and Sanchez, D. A. and Ortega, N. and Mejia, C. Salazar and Schnelle, W. and Shinohara, H. and Heap, A. J. F. and Nagaratnam, R. and Dutton, S. E. and Scott, J. F. and Carpenter, M. A. (2016) Elastic and anelastic relaxation behaviour of perovskite multiferroics I: PbZr0.53Ti0.47O3 (PZT)-PbFe0.5Nb0.5O3 (PFN). Journal of Materials Science, 51 (24). pp. 10727-10760. ISSN 0022-2461

Borkar, Hitesh and Rao, Vaibhav and Dutta, Soma and Barvat, Arun and Pal, Prabir and Tomar, M. and Gupta, Vinay and Scott, J. F. and Kumar, Ashok (2016) Novel optically active lead-free relaxor ferroelectric (Ba0.6Bi0.2Li0.2)TiO3. Journal of Physics: Condensed Matter, 28 (26). ISSN 0953-8984

Ortega, N. and Kumar, Ashok and Scott, J. F. and Katiyar, Ram S. (2015) Multifunctional magnetoelectric materials for device applications. Journal of Physics: Condensed Matter, 27 (50). 504002-1-504002-23. ISSN 0953-8984

Kumari, Shalini and Ortega, Nora and Pradhan, Dhiren K. and Kumar, Ashok and Scott, J. F. and Katiyar, Ram S. (2015) Effect of thickness on dielectric, ferroelectric, and optical properties of Ni substituted Pb(Zr0.2Ti0.8)O-3 thin films. Journal of Applied Physics, 118 (18). 184103-1-184103-10. ISSN 0021-8979

Borkar, Hitesh and Tomar, M. and Gupta, Vinay and Scott, J. F. and Kumar, Ashok (2015) Anomalous change in leakage and displacement currents after electrical poling on lead-free ferroelectric ceramics. Applied Physics Letters, 107 (12). ISSN 0003-6951

Carpenter, M. A. and Schiemer, J. A. and Lascu, I. and Harrison, R. J. and Kumar, A. and Katiyar, R. S. and Ortega, N. and Sanchez, D. A. and Mejia, C. Salazar and Schnelle, W. and Echizen, M. and Shinohara, H. and Heap, A. J. F. and Nagaratnam, R. and Dutton, S. E. and Scott, J. F. (2015) Elastic and magnetoelastic relaxation behaviour of multiferroic (ferromagnetic plus ferroelectric plus ferroelastic) Pb(Fe0.5Nb0.5)O-3 perovskite. Journal of Physics: Condensed Matter, 27 (28). 285901-1-285901-18. ISSN 0953-8984

Kumar, Ashok and Barrionuevo, D. and Ortega, N. and Shukla, A. K. and Shannigrahi, Santiranjan and Scott, J. F. and Katiyar, Ram S. (2015) Ferroelectric capped magnetization in multiferroic PZT/LSMO tunnel junctions. Applied Physics Letters, 106 (13). 132901-1-132901-5. ISSN 0003-6951

Kumari, Shalini and Ortega, N. and Kumar, A. and Pavunny, S. P. and Hubbard, J. W. and Rinaldi, C. and Srinivasan, G. and Scott, J. F. and Katiyar, Ram S. (2015) Dielectric anomalies due to grain boundary conduction in chemically substituted BiFeO3. Journal of Applied Physics, 117 (11). 114102-1-114102-13. ISSN 1089-7550

Barrionuevo, D and Zhang, Le and Ortega, N and Sokolov, A and Kumar, A and Misra, Pankaj and Scott, J. F. and Katiyar, R. S. (2014) Tunneling electroresistance in multiferroic heterostructures. Nanotechnology, 25 (49). ISSN 0957-4484

Scott, J. F. and Kumar, Ashok (2014) Faceting oscillations in nano-ferroelectrics. Applied Physics Letters, 105 (5). ISSN 0003-6951

Ma, X. and Kumar, A. and Dussan, S. and Zhai, H. and Fang, F. and Zhao, H. B. and Scott, J. F. and Katiyar, R. S. and Lüpke, G. (2014) Charge control of antiferromagnetism at PbZr0.52Ti0.48O3/La0.67Sr0.33MnO3 interface. Applied Physics Letters , 104 (13). ISSN 0003-6951

Kumari, Shalini and Ortega, Nora and Kumar, Ashok and Scott, J. F. and Katiyar, R. S. (2014) Ferroelectric and photovoltaic properties of transition metal doped Pb(Zr0.14Ti0.56Ni0.30)O3-delta thin films. AIP Advances, 4 (3). ISSN 2158-3226

Evans, D. M. and Schilling, A. and Kumar, Ashok and Sanchez, D. and Ortega, N. and Katiyar, R. S. and Scott, J. F. and Gregg, J. M. (2014) Switching ferroelectric domain configurations using both electric and magnetic fields in Pb(Zr,Ti)O-3-Pb(Fe,Ta)O-3 single-crystal lamellae. Philosophical Transactions A: Mathematical, Physical and Engineering Sciences, 372 (2009). ISSN 1364-503X

Kumar, Ashok and Scott, J. F. and Katiyar, R. S. (2014) Dynamic nanocrystal response and high temperature growth of carbon nanotube-ferroelectric hybrid nanostructure. Nanoscale, 6 (2). pp. 1064-1070. ISSN 2040-3364

Barrionuevo, D. and Ortega, N. and Kumar, A. and Chatterjee, R. and Scott, J. F. and Katiyar, R. S. (2013) Thickness dependent functional properties of PbZr0.52Ti0.48O3/La0.67Sr0.33MnO3 heterostructures. Journal of Applied Physics , 114 (23). 234103-1- 234103-10. ISSN 0021-8979

Anshul, Avneesh and Kumar, Ashok and Gupta, Bipin K. and Kotnala, R. K. and Scott, J. F. and Katiyar, R. S. (2013) Photoluminescence and time-resolved spectroscopy in multiferroic BiFeO3: Effects of electric fields and sample aging. Applied Physics Letters, 102 (22). 222901-1- 222901-5. ISSN 0003-6951

Pavunny, S. P. and Misra, P. and Thomas, R. and Kumar, A. and Schubert, J. and Scott, J. F. and Katiyar, R. S. (2013) Advanced high-k gate dielectric amorphous LaGdO3 gated metal-oxide-semiconductor devices with sub-nanometer equivalent oxide thickness. Applied Physics Letters, 102 (192904). ISSN 0003-6951

Evans, D. M. and Schilling, A. and Kumar, Ashok and Sanchez, D. and Ortega, N. and Ortega, N. and Katiyar, R. S. and Gregg, J. M. and Scott, J. F. (2013) Magnetic switching of ferroelectric domains at room temperature in multiferroic PZTFT. Nature Communications , 4. 1534-1-1534-7. ISSN 2041-1723

Dussan, Sandra and Kumar, Ashok and Scott, J. F. and Katiyar, Ram S. (2012) Effect of electrode resistance on dielectric and transport properties of multiferroic superlattice: A Impedance spectroscopy study. AIP Advances, 2 (3). 032136-032147. ISSN 2158-3226

Kumar, Ashok and Scott, J. F. and Martinez, R. and Srinivasan, G. (2012) In-plane dielectric and magnetoelectric studies of BiFeO3. physica status solidi (a), 209 (7). pp. 1207-1212. ISSN 1862-6300

Kumar, Ashok and Scott, J. F. and Katiyar, R. S. (2012) Magnon Raman spectroscopy and in-plane dielectric response in BiFeO3: Relation to the Polomska transition. Physical Review B , 85 (22). pp. 224410-224413. ISSN 1098-0121