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Number of items: 53.

Article

Deswal, Sweety and Jain, Ashish and Borkar, Hitesh and Kumar, Ashok and Kumar, Ajeet (2016) Conduction and switching mechanism in Nb2O5 thin films based resistive switches. EPL, 116 (1). 17003-1-17003-5. ISSN 0295-5075

Panda, Niranjan and Pattanayak, Samita and Choudhary, R. N. P. and Kumar, Ashok (2016) Effect of La-substitution on structural, dielectric and electrical properties of (Bi0.5Pb0.5) (Fe0.5Zr0.25Ti0.25)O-3. Applied Physics A: Materials Science and Processing, 122 (9). ISSN 0947-8396

Meena, P. L. and Sreenivas, K. and Singh, M. R. and Kumar, Ashok and Singh, S. P. and Kumar, Ravi (2016) Ferri-magnetic order in Mn induced spinel Co3-xMnxO4 (0.1 <= x <= 1.0) ceramic compositions. Journal of Magnetism and Magnetic Materials, 403. pp. 193-198. ISSN 0304-8853

Sharma, Savita and Tomar, Monika and Kumar, Ashok and Puri, Nitin K. and Gupta, Vinay (2016) Effect of insertion of low leakage polar layer on leakage current and multiferroic properties of BiFeO3/BaTiO3 multilayer structure. RSC Advances, 6 (64). 59150-59154. ISSN 2046-2069

Vats, Gaurav and Kumar, Ashok and Ortega, Nora and Bowen, Chris R. and Katiyar, Ram S. (2016) Giant pyroelectric energy harvesting and a negative electrocaloric effect in multilayered nanostructures. Energy and Environmental Science , 9 (4). pp. 1335-1345. ISSN 1754-5692

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

Mohanty, Suchismita and Kumar, Ashok and Choudhary, R. N. P. (2015) Studies of structural, dielectric, electrical and ferroelectric characteristics of BiFeO3 and (Bi0.5K0.5)(Fe0.5Ta0.5)O-3. Journal of Materials Science: Materials in Electronics, 26 (12). 9640-9648. ISSN 0957-4522

Kumar, Ashok and Yadav, Nisha and Rana, Dinesh S. and Kumar, Parmod and Arora, Manju and Pant, R. P. (2015) Structural and magnetic studies of the nickel doped CoFe2O4 ferrite nanoparticles synthesized by the chemical co-precipitation method. Journal of Magnetism and Magnetic Materials , 394. 379-384 . ISSN 0304-8853

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

Singh, Paritosh and Borkar, Hitesh and Singh, B. P. and Singh, V. N. and Kumar, Ashok (2015) Electro-mechanical properties of free standing micro- and nano-scale polymer-ceramic composites for energy density capacitors. Journal of Alloys and Compounds, 648 . pp. 698-705. ISSN 0925-8388

Evans, Donald M. and Alexe, Marin and Schilling, Alina and Kumar, Ashok and Sanchez, Dilsom and Ortega, Nora and Katiyar, Ram S. and Scott, James F. and Gregg, J. Marty (2015) The Nature of Magnetoelectric Coupling in Pb(Zr,Ti)O-3-Pb(Fe,Ta)O-3. Advanced Materials, 79 (39). pp. 6068-6073. ISSN 0935-9648

Ng, Nathaniel and Ahluwalia, Rajeev and Kumar, Ashok and Srolovitz, David J. and Chandra, Premala and Scott, James F. (2015) Electron-beam driven relaxation oscillations in ferroelectric nanodisks. Applied Physics Letters, 107 (15). 152902-1-152902-4. ISSN 0003-6951

Sharma, Savita and Tomar, Monika and Kumar, Ashok and Puri, Nitin K. and Gupta, Vinay (2015) Stress induced enhanced polarization in multilayer BiFeO3/BaTiO3 structure with improved energy storage properties. AIP Advances, 5 (10). ISSN 2158-3226

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

Sharma, Savita and Tomar, Monika and Kumar, Ashok and Puri, Nitin K. and Gupta, Vinay (2015) Enhanced ferroelectric photovoltaic response of BiFeO3/BaTiO3 multilayered structure. Journal of Applied Physics , 118 (7). 074103-1. ISSN 0021-8979

Borkar, Hitesh and Choudhary, R. J. and Singh, V. N. and Tomar, M. and Gupta, Vinay and Kumar, Ashok (2015) Competing magnetic interactions and low temperature magnetic phase transitions in composite multiferroics. Materials Research Express, 2 (8). ISSN 2053-1591

Yadav, Nisha and Kumar, Ashok and Rana, Pawan S. and Rana, Dinesh S. and Arora, Manju and Pant, R. P. (2015) Finite size effect on Sm3+ doped Mn0.5Zn0.5SmxFe2-xO4 (0 <= x <= 0.5) ferrite nanoparticles. Ceramics International, 41 (7). 8623-8629. ISSN 0272-8842

Dash, Swagatika and Choudhary, R. N. P. and Das, Piyush R. and Kumar, Ashok (2015) Structural, dielectric, and multiferroic properties of (Bi0.5K0.5)(Fe0.5Nb0.5)O-3. Canadian Journal of Physics, 93 (7). 738 -744. ISSN 0008-4204

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

Kumar, Ashok and Barrionuevo, D. and Ortega, N. and Shukla, A. K. and Shannigrahi, Santiranjan and J. F. Scott, Ram S. and -, Katiyar (2015) Ferroelectric capped magnetization in multiferroic PZT/LSMO tunnel junctions (vol 106, 132901, 2015). Applied Physics Letters, 106 (16). pp. 1-2. ISSN 0003-6951

Yadav, Nisha and Kumar, Ashok and Rana, Pawan S. and Rana, Dinesh S. and Arora, Manju and Pant, R. P. (2015) Finite size effect on Sm3+ doped Mn0.5Zn0.5SmxFe2-xO4 (0 <= x <= 0.5) ferrite nanoparticles. Ceramics International, 41 (7). pp. 8623-8629. ISSN 0272-8842

Dash, Swagatika and Choudhary, R. N. P. and Das, Piyush R. and Kumar, Ashok (2015) Effect of KNbO3 modification on structural, electrical and magnetic properties of BiFeO3. Applied Physics A: Materials Science and Processing , 118 (3). 1023 -1031. ISSN 0947-8396

Kumar, Ashok and Rana, Pawan S. and Yadav, M. S. and Pant, R. P. (2015) Effect of Gd3+ ion distribution on structural and magnetic properties in nano-sized Mn-Zn ferrite particles. Ceramics International , 41 (1). 1297-1302. ISSN 0272-8842

Thakre, Atul and Borkar, Hitesh and Singh, B. P. and Kumar, Ashok (2015) Electroforming free high resistance resistive switching of graphene oxide modified polar-PVDF. RSC Advances, 5 (71). 57406-57413. ISSN 2046-2069

Borkar, Hitesh and Thakre, Atul and Kushvaha, Sunil S. and Aloysius, R. P. and Kumar, Ashok (2015) Light assisted irreversible resistive switching in ultra thin hafnium oxide. RSC Advances, 5 (44). 35046-35051 . ISSN 2046-2069

Kumar, Ashok and Katiyar, Ram. S. and Guo, R. and Bhalla, A. S. (2014) Magnetoelectric Characterization of Multiferroic Nanostructure Materials. Ferroelectrics, 473 (1). pp. 137-153. ISSN 0015-0193

Dash, Swagatika and Choudhary, R. N. P. and Kumar, Ashok (2014) Impedance spectroscopy and conduction mechanism of multiferroic (Bi0.6K0.4)(Fe0.6Nb0.4)O-3. Journal of Physics and Chemistry of Solids, 75 (12). pp. 1376-1382. ISSN 0022-3697

Singh, Swati and Kumar, Ashok and Khare, Shashi and Mulchandani, Ashok and -, Rajesh (2014) Single-walled carbon nanotubes based chemiresistive genosensor for label-free detection of human rheumatic heart disease. Applied Physics Letters, 105 (21). ISSN 0003-6951

Katiyar, Rajesh K. and Sharma, Yogesh and Misra, Pankaj and Puli, Venkata S. and Sahoo, Satyaprakash and Kumar, Ashok and Scott, James F. and Morell, Gerardo and Weiner, Brad R. and Katiyar, Ram S. (2014) Studies of the switchable photovoltaic effect in co-substituted BiFeO3 thin films. Applied Physics Letters, 105 (17). ISSN 0003-6951

Sharma, Savita and Tomar, Monika and Kumar, Ashok and Puri, Nitin K. and Gupta, Vinay (2014) Multiferroic properties of BiFeO3/BaTiO3 multilayered thin films. Physica B: Condensed Matter, 448. 125 -127 . ISSN 0921-4526

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

Singh, Paritosh and Borkar, Hitesh and Singh, B. P. and Singh, V. N. and Kumar, Ashok (2014) Ferroelectric polymer-ceramic composite thick films for energy storage applications. AIP Advances, 4 (8). ISSN 2158-3226

Anshul, Avneesh and Borkar, Hitesh and Singh, Paritosh and Pal, Prabir and Kushvaha, Sunil S. and Kumar, Ashok (2014) Photoconductivity and photo-detection response of multiferroic bismuth iron oxide. 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

Pavunny, Shojan P. and Kumar, Ashok and Misra, Pankaj and Scott, James F. and Katiyar, Ram S. (2014) Properties of the new electronic device material LaGdO3. physica status solidi (b), 251 (1). pp. 131-139. ISSN 0370-1972

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

Maurya, Deepam and Kumar, Ashok and Petkov, Valeri and Mahaney, James E. and Katiyar, Ram S. and Priya, Shashank (2014) Local structure and piezoelectric instability in lead-free (1-x)BaTiO3-xA(Cu1/3Nb2/3)O-3 (A = Sr, Ca, Ba) solid solutions. RSC Advances, 4 (3). pp. 1283-1292. ISSN 2046-2069

Borkar, Hitesh and Singh, V. N. and Singh, B. P. and Tomar, M. and Gupta, Vinay and Kumar, Ashok (2014) Room temperature lead-free relaxor-antiferroelectric electroceramics for energy storage applications. RSC Advances, 4 (44). 22840 -22847. ISSN 2046-2069

Kumar, Ashok and Singh, Annveer and Yadav, M. S. and Arora, Manju and Pant, R. P. (2010) Finite size effect on Ni doped nanocrystalline NixZn1-xFe2O4 (0.1 <= x <= 0.5). Thin Solid Films, 519 (3). 1056-1058 . ISSN 0040-6090

Kumar, Ashok and Singh, Annveer and Yadav, M. S. and Arora, Manju and Pant, R. P. (2010) Finite size effect on Ni doped nanocrystalline NixZn1−xFe2O4 (0.1≤x≤0.5). Thin Solid Films, 519 (3). pp. 1056-1058. ISSN 0040-6090

Dubey, P. K. and Kumar, Ashok and Kumar, Yudhisther and Gupta, Reeta and Joshi, Deepa (2010) Primary measurement of total ultrasonic power with improved accuracy in rf voltage measurement. Review of Scientific Instruments, 81 (10). 104904 -1-104904 -5. ISSN 1089-7623

Pant, R. P. and Arora, Manju and Kaur, Balwinder and Kumar, Vinod and Kumar, Ashok (2010) Finite size effect on Gd3+ doped CoGdxFe2−xO4 (0.0≤x≤0.5) particles. Journal of Magnetism and Magnetic Materials, 322 (22). pp. 3688-3691. ISSN 0304-8853

Maisnam, Mamata and Phanjoubam, Sumitra and Kumar, Parveen and Juneja, J. K. and Kumar, Ashok and Chandra , Prakash (2010) Improved Properties of Li-Mn-Ti Ferrites by Microwave Sintering. Integrated Ferroelectrics: An International Journal , 122 (1). pp. 31-37. ISSN 1607-8489

Patel, Manoj K. and Solanki, Pratima R. and Kumar, Ashok and Khare, Shashi and Gupta, Sunil and Malhotra, Bansi D. (2010) Electrochemical DNA sensor for Neisseria meningitidis detection. Biosensors and Bioelectronics, 25 (12). pp. 2586-2591. ISSN 0956-5663

Kumar, Ashok and -, Annveer and Arora, Manju and Yadav, M. S. and Panta, R. P. (2010) Induced size effect on Ni doped Nickel Zinc Ferrite Nanoparticles. Physics Procedia , 9. pp. 20-23. ISSN 1875-3892

Joshi, Deepa and Kumar, Ashok and Kumar, Yudhisther and Gupta, Reeta (2009) Evaluation of parallelism by ultrasonic echo method. Applied Acoustics, 71 (5). pp. 446-450. ISSN 0003-682X

Bhatnagar, Deepa and Joshi, Deepa and Kumar, Ashok and Jain, C. L. (2009) Direct acoustic impedance measurements of dimethyl sulphoxide with benzene, carbon tetrachloride and methanol liquid mixtures. Indian Journal of Pure & Applied Physics, 48. pp. 31-35. ISSN 0975-1041

Joshi, Deepa and Bhatnager, Deepa and Kumar, Ashok and Gupta, Reeta (2009) Direct measurement of acoustic impedance in liquids by a new pulse echo technique. MAPAN - Journal of Metrology Society of India, 24 (4). pp. 215-224. ISSN 0974-9853

Patel, Manoj K. and Solanki, Pratima R. and Seth, Shruti and Gupta, Sunil and Khare, Shashi and Kumar, Ashok and Malhotra, B. D. (2009) CtrA gene based electrochemical DNA sensor for detection of meningitis. Electrochemistry Communications , 11 (5). pp. 969-973. ISSN 1388-2481

Shahane, G. S. and Kumar, Ashok and Arora, Manju and Pant, R. P. and Lal, Krishan (2009) Synthesis and characterization of Ni–Zn ferrite nanoparticles. Journal of Magnetism and Magnetic Materials, 322 (8). pp. 1015-1019. ISSN 0304-8853

Conference or Workshop Item

Borkar, Hitesh and Kumar, Ashok (2016) Conduction Phenomenon of Al3+ Modified Lead Free (Na0.5Bi0.5)(0.92)Ba0.08TiO3 Electroceramics. In: DAE Solid State Physics Symposium .

Arora, Manju and Kumar, Ashok and Pant, R. P. (2010) Gd3+ substituted of Mn0.5Zn0.5GdxFe2−xO4 (x=0.1, 0.2, 0.3, 0.4) ferrites for ferrofluids application. In: 12th International Conference on Magnetic Fluids (ICMF12), AUG 01-05, 2010 , Sendai, JAPAN .

This list was generated on Mon Jan 22 22:05:12 2018 IST.