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Keshav Kumar
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Quantum phase transitions in Ba(1−x)CaxFe12O19 (0≤ x≤ 0.10)
K Kumar, D Pandey*
Physical Review B 96 (2), 024102, 2017, 2017
242017
Evidence for Spin Glass Transition in Hexagonal DyMnO3 without Substitutional Disorder
PA Kumar, A Kumar, K Kumar, GA Babu, P Vijayakumar, ...
The Journal of Physical Chemistry C 123, 30499-30508, 2019, 2019
162019
Evidence for coexistence of spin-glass and ferrimagnetic phases in BaFe12O19 due to basal plane freezing
K Kumar, SK Mishra, I Baev, M Martins, D Pandey*
Chemical Communications 56, 14897-14900, 2020, 2020
92020
Unveiling a High Capacity Multi-redox (Nb5+/Nb4+/Nb3+) NASICON-Nb2(PO4)3 Anode for Li-and Na-ion Batteries
B Patra, K Kumar, D Deb, S Ghosh, GS Gautam, P Senguttuvan*
Journal of Materials Chemistry A 11, 8173-8183, 2023, 2023
72023
Growth and Characterization of Dy1-xYxMnO3 Single Crystals by Optical Floating Zone Technique: A Combined X-ray Diffraction and DC Magnetization Study
PA Kumar, A Kumar, K Kumar, P Singh, GA Babu, P Vijayakumar, ...
Journal of Crystal Growth, 126152, 2021, 2021
32021
Discovery of New Low Temperature Phase Transitions in Barium Hexaferrite
K Kumar
IIT (BHU), Varanasi, 2021
12021
Stabilizing Multi-electron NASICON-Nax(V,Nb)(PO4)3 Anode via Structural Modulation for Long-life Sodium-ion Batteries
B Patra, R Hegde, A Natarajan, D Deb, D Sachdeva, N Ravishankar, ...
Advanced Energy Materials 5, 2304091, 2024, 2024
2024
Evidence for reentrant quantum paraelectric state preceded by a multiglass phase with a nonclassical exponent and magnetodielectric coupling in SrFe12O19
K Kumar, D Pandey*
Physical Review B 109, 094302, 2024, 2024
2024
Tailoring high-performance ternary transition metal-based NASICON-Na(9-2x-3y-4z)MnxVyZrz(PO4)3 cathodes via combinatorial chemical substitutions
B Patra†, K Kumar†, S Ghosh, M Mazumder, S K. Pati, P Senguttuvan*
Chemistry of Materials, 2024, 2024
2024
Evidence for Emergent Kagome Spin Configuration with Concomitant Transverse and Longitudinal Spin-Glass Freezing in the Chemically Ordered M-type Hexaferrite BaFe12O19
K Kumar, A Senyshyn, D Pandey
arXiv preprint arXiv:2111.15610, 2021
2021
Evidence for Conical Magnetic Structure in M-type BaFe12O19 Hexaferrite: a Combined Single-Crystal X-Ray Magnetic Circular Dichroism and Neutron Diffraction Study
K Kumar, SK Mishra, S Singh, I Baev, M Martins, F Orlandi, P Manuel, ...
Physica Status Solidi-RRL 15 (6), 2000506, 2021, 2021
2021
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