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KOUSHIK DEY
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Role of V-V dimerization in the insulator-metal transition and optical transmittance of pure and doped thin films
SS Majid, SR Sahu, A Ahad, K Dey, K Gautam, F Rahman, P Behera, ...
Physical Review B 101 (1), 014108, 2020
272020
Coexistence of local structural heterogeneities and long-range ferroelectricity in Pb-free (1− x) Ba (Zr 0.2 Ti 0.8) O 3− x (Ba 0.7 Ca 0.3) TiO 3 ceramics
K Dey, A Ahad, K Gautam, A Tripathy, SS Majid, S Francoual, C Richter, ...
Physical Review B 103 (10), L100205, 2021
192021
Substantial magnetoelectric response in 2/3 [Pb (Mg1/3Nb2/3) O3]− 1/3 [PbTiO3]-CoFe2O4 composites
G Channagoudra, AK Saw, K Dey, D Xavier, R Venkatesh, ...
Journal of Alloys and Compounds 863, 158504, 2021
122021
Symmetry breaking and spin lattice coupling in
K Gautam, A Ahad, K Dey, SS Majid, S Francoual, VG Sathe, I da Silva, ...
Physical Review B 100 (10), 104106, 2019
92019
Griffiths-like phase and charge-spin glass state in La1. 5Sr0. 5CoO4
A Ahad, DK Shukla, F Rahman, K Gautam, K Dey, SS Majid, SK Sharma, ...
Applied Physics Letters 113 (10), 2018
92018
Anisotropic magnetodielectric coupling in layered antiferromagnetic FePS 3
SD Anudeepa Ghosh,Magdalena Birowska, Pradeepta Kumar Ghose, Miłosz Rybak ...
Physical Review B 108, L060403, 2023
52023
Magnetic correlations in subsystems of the misfit cobaltate
A Ahad, K Gautam, K Dey, SS Majid, F Rahman, SK Sharma, ...
Physical Review B 102 (9), 094428, 2020
52020
Magnetic correlations in mixed valent layered La1. 2Sr0. 8CoO4
A Ahad, K Gautam, SS Majid, K Dey, F Rahman, RJ Choudhary, ...
Physica B: Condensed Matter 570, 308-311, 2019
52019
Magnetic and orbital correlations in multiferroic probed by x-ray resonant elastic scattering
K Gautam, SS Majid, S Francoual, A Ahad, K Dey, MC Rahn, R Sankar, ...
Physical Review B 101 (22), 224430, 2020
32020
Multiple exciton generation in
SR Sahu, S Khan, A Tripathy, K Dey, N Bano, S Raj Mohan, MP Joshi, ...
Physical Review B 108 (12), 125133, 2023
22023
Kinetically-decoupled electrical and structural phase transitions in
SR Sahu, SS Majid, A Ahad, A Tripathy, K Dey, S Pal, BK De, WP Hsieh, ...
Physical Review B 107 (13), 134106, 2023
22023
Monoclinic symmetry at the nanoscale in lead-free ferroelectric BaZrxTi1-xO3 ceramics
K Dey, A Tripathy, SR Sahu, H Srivastava, A Sagdeo, J Strempfer, ...
Physical Review B 105 (17), 174202, 2022
22022
Structural and magnetic interplay in multiferroic
A Tripathy, K Gautam, K Dey, SR Sahu, A Ahad, A Upadhyay, A Sagdeo, ...
Physical Review B 107 (21), 214106, 2023
12023
Local structural disorder and charge inhomogeneity induced relaxor ferroelectricity in
A Tripathy, K Dey, SR Sahu, N Bano, V Kumar, P Garg, S Singh, V Kumar, ...
Physical Review B 109 (13), 134206, 2024
2024
Negative Capacitance for Stabilizing the Logic State in a Tunnel Field-Effect Transistor
K Dey, B Das, PK Hazra, T Kundu, S Naskar, S Das, S Maity, P Maji, ...
ACS Applied Nano Materials, 2024
2024
Effect of DC bias on dipolar response of yttrium iron garnet
N Bano, K Dey, A Tripathy, P Garg, U Deshpande, DK Shukla
Journal of Magnetism and Magnetic Materials 577, 170780, 2023
2023
Random magnetic anisotropy driven transitions in the layered perovskite
A Ahad, K Gautam, SS Majid, K Dey, A Tripathy, F Rahman, ...
Physical Review B 107 (21), 214405, 2023
2023
Corrigendum to “Substantial magnetoelectric response in 2/3 [Pb (Mg1/3Nb2/3) O3]− 1/3 [PbTiO3]-CoFe2O4 composites”[J. Alloy. Compd. 863 (2021) 158504]
G Channagoudra, AK Saw, K Dey, D Xavier, R Venkatesh, ...
Journal of Alloys and Compounds 882, 160772, 2021
2021
Spin-state driven ferromagnetic and spin glass states in layered LaSrCoO
A Ahad, K Gautam, SS Majid, K Dey, A Tripathy, F Rahman, ...
arXiv e-prints, arXiv: 2002.00135, 2020
2020
Dielectric and Raman spectroscopy measurements across structural phase transition in multiferroic HoFe3 (BO3) 4 single crystal
A Tripathy, K Gautam, K Dey, A Ahad, IA Gudim, VG Sathe, DK Shukla
AIP Conference Proceedings 2162 (1), 2019
2019
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Articles 1–20