Shiv Kumar
Shiv Kumar
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Prediction and observation of an antiferromagnetic topological insulator
MM Otrokov, II Klimovskikh, H Bentmann, D Estyunin, A Zeugner, ZS Aliev, ...
Nature 576 (7787), 416-422, 2019
Gapless surface Dirac cone in antiferromagnetic topological insulator MnBiTe
YJ Hao, P Liu, Y Feng, XM Ma, EF Schwier, M Arita, S Kumar, C Hu, R Lu, ...
arXiv preprint arXiv:1907.03722, 2019
Microwave-assisted synthesis of boron and nitrogen co-doped reduced graphene oxide for the protection of electromagnetic radiation in Ku-band
S Umrao, TK Gupta, S Kumar, VK Singh, MK Sultania, JH Jung, IK Oh, ...
ACS applied materials & interfaces 7 (35), 19831-19842, 2015
Quantum dot sensitized solar cell: recent advances and future perspectives in photoanode
D Sharma, R Jha, S Kumar
Solar Energy Materials and Solar Cells 155, 294-322, 2016
Structural, optical and magnetic properties of sol–gel derived ZnO: Co diluted magnetic semiconductor nanocrystals: an EXAFS study
S Kumar, S Basu, B Rana, A Barman, S Chatterjee, SN Jha, ...
Journal of Materials Chemistry C 2 (3), 481-495, 2014
Nature of the Dirac gap modulation and surface magnetic interaction in axion antiferromagnetic topological insulator
AM Shikin, DA Estyunin, II Klimovskikh, SO Filnov, EF Schwier, S Kumar, ...
Scientific Reports 10 (1), 13226, 2020
Structural and optical properties of sol-gel derived nanocrystalline Fe-doped ZnO
S Kumar, S Mukherjee, R Kr Singh, S Chatterjee, AK Ghosh
Journal of Applied Physics 110 (10), 2011
Investigations on structural and optical properties of ZnO and ZnO: Co nanoparticles under dense electronic excitations
S Kumar, K Asokan, RK Singh, S Chatterjee, D Kanjilal, AK Ghosh
RSC Advances 4 (107), 62123-62131, 2014
Signatures of temperature driven antiferromagnetic transition in the electronic structure of topological insulator MnBi2Te4
DA Estyunin, II Klimovskikh, AM Shikin, EF Schwier, MM Otrokov, ...
APL Materials 8 (2), 2020
Distinct Topological Surface States on the Two Terminations of
X Wu, J Li, XM Ma, Y Zhang, Y Liu, CS Zhou, J Shao, Q Wang, YJ Hao, ...
Physical Review X 10 (3), 031013, 2020
Sample-dependent Dirac-point gap in and its response to applied surface charge: A combined photoemission and ab initio study
AM Shikin, DA Estyunin, NL Zaitsev, D Glazkova, II Klimovskikh, SO Filnov, ...
Physical Review B 104 (11), 115168, 2021
Investigation of the physical properties of Fe: TiO 2-diluted magnetic semiconductor nanoparticles
B Prajapati, S Kumar, M Kumar, S Chatterjee, AK Ghosh
Journal of Materials Chemistry C 5 (17), 4257-4267, 2017
Half-Magnetic Topological Insulator with Magnetization-Induced Dirac Gap at a Selected Surface
R Lu, H Sun, S Kumar, Y Wang, M Gu, M Zeng, YJ Hao, J Li, J Shao, ...
Physical Review X 11 (1), 011039, 2021
In-plane antiferromagnetic moments and magnetic polaron in the axion topological insulator candidate
Y Zhang, K Deng, X Zhang, M Wang, Y Wang, C Liu, JW Mei, S Kumar, ...
Physical Review B 101 (20), 205126, 2020
In-plane antiferromagnetic moments and magnetic polaron in the axion topological insulator candidate
Y Zhang, K Deng, X Zhang, M Wang, Y Wang, C Liu, JW Mei, S Kumar, ...
Physical Review B 101 (20), 205126, 2020
Impedance spectroscopy and conductivity analysis of multiferroic BFO–BT solid solutions
M Kumar, S Shankar, S Kumar, OP Thakur, AK Ghosh
Physics Letters A 381 (4), 379-386, 2017
Insight into the origin of ferromagnetism in Fe-doped ZnO diluted magnetic semiconductor nanocrystals: an EXFAS study of local structure
S Kumar, N Tiwari, SN Jha, S Chatterjee, D Bhattacharyya, NK Sahoo, ...
RSC Advances 5 (115), 94658-94669, 2015
Observation of Topological Flat Bands in the Kagome Semiconductor Nb3Cl8
Z Sun, H Zhou, C Wang, S Kumar, D Geng, S Yue, X Han, Y Haraguchi, ...
Nano Letters 22 (11), 4596-4602, 2022
Sol–gel-derived ZnO: Mn nanocrystals: study of structural, Raman, and optical properties
S Kumar, S Chatterjee, KK Chattopadhyay, AK Ghosh
The Journal of Physical Chemistry C 116 (31), 16700-16708, 2012
Surface‐enhanced Raman scattering characteristics of CuO : Mn/Ag heterojunction probed by methyl orange: effect of Mn2+ doping
O Prakash, S Kumar, P Singh, V Deckert, S Chatterjee, AK Ghosh, ...
Journal of Raman Spectroscopy 47 (7), 813-818, 2016
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