Varun Kumar Kushwaha

@imr.tohoku.ac.jp

Specially Appointed Assistant Professor
Institute for Materials Research (IMR) Tohoku University, 2-1-1 Katahira, Sendai 980-8577, Miyagi, Japan

Varun Kumar Kushwaha


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https://researchid.co/varun_kushwaha

RESEARCH, TEACHING, or OTHER INTERESTS

Condensed Matter Physics, Materials Science, Surfaces, Coatings and Films
287

Scholar Citations

11

Scholar h-index

11

Scholar i10-index

RECENT SCHOLAR PUBLICATIONS

  • Dynamical stability by spin transfer in nearly isotropic magnets
    H Kurebayashi, J Barker, T Yamazaki, VK Kushwaha, KD Stenning, ...
    Nature Materials , 2026
    2026
    Citations: 3
  • DFT-based exploration of XMnCrZ (X= Ni, Ti; Z= Sn, Sb) quaternary heusler alloys for structural and multifunctional properties
    SP K., S Jena, VK Kushwaha, V Yenugonda, J Rani
    Scientific Reports 16, 2933 , 2026
    2026
    Citations: 1
  • Non‐Equilibrium Magnon Engineering Enabling Significant Thermal Transport Modulation (Adv. Funct. Mater. 40/2025)
    T Hirai, T Morita, S Biswas, J Uzuhashi, T Yagi, Y Yamashita, ...
    Advanced Functional Materials 35 (40), e71679 , 2025
    2025
  • Non‐Equilibrium Magnon Engineering Enabling Significant Thermal Transport Modulation
    T Hirai, T Morita, S Biswas, J Uzuhashi, T Yagi, Y Yamashita, ...
    Advanced Functional Materials 35 (40), 2506554 , 2025
    2025
    Citations: 2
  • Proof‐of‐Concept for Selective Magnetization Switching for Microfabricated Exchange‐Spring Magnets by Spin Wave Excitation
    VK Kushwaha, T Yamazaki, T Seki
    Advanced Physics Research 4 (5), 2400160 , 2025
    2025
    Citations: 2
  • Uncovering the origin of magnetic moment enhancement in Fe–Co–Ir alloys via high-throughput XMCD
    T Yamazaki, T Kawasaki, AL Foggiatto, R Toyama, K Fuku, VK Kushwaha, ...
    Physical Review Materials 9 (3), 034408 , 2025
    2025
    Citations: 2
  • Combinatorial sputtering synthesis of TbCu7-type Sm-Fe based compounds: A study on phase, composition, and extrinsic magnetic properties
    AR Dilipan, H Sepehri-Amin, R Modak, VK Kushwaha, Y Sakuraba, ...
    Journal of Alloys and Compounds 1010, 177723 , 2025
    2025
    Citations: 3
  • High-throughput Combinatorial sputtering synthesis of TbCu7-type SmFe-based compounds
    DA Ramamurthy, SA Hossein, R Modak, VK Kushwaha, Y Sakuraba, ...
    日本電子材料技術協会会報= Bulletin of Japan Electronic Materials Society 56 … , 2025
    2025
  • Improvement in CPP-GMR read head sensor performance using [001]-oriented polycrystalline half-metallic Heusler alloy Co 2 FeGa 0.5 Ge 0.5 and CoFe bilayer …
    D Taparia, T Sasaki, T Nakatani, H Suto, Y Miura, Z Li, VK Kushwaha, ...
    Science and Technology of Advanced Materials 25 (1), 2388503 , 2024
    2024
    Citations: 6
  • Antisymmetric interlayer exchange coupling spontaneously built in synthetic antiferromagnetic structure by film growth
    T Seki, H Masuda, VK Kushwaha, T Yamazaki, K Ito
    Journal of Physics D: Applied Physics 58, 175002 , 2024
    2024
    Citations: 1
  • Analysis of the effect of the Fermi surface matching at Co–Fe and Cu interface on giant magnetoresistance effect using a combinatorial technique
    VK Kushwaha, R Toyama, Y Miura, Y Iwasaki, Y Sakuraba
    AIP Advances 14 (12), 125329 , 2024
    2024
    Citations: 3
  • Large anomalous Nernst conductivity of L 1 0 -ordered CoPt in CoPt composition-spread thin films
    R Toyama, K Masuda, K Simalaotao, W Zhou, VK Kushwaha, Y Sakuraba
    Journal of Physics D: Applied Physics 57 (40), 405001 , 2024
    2024
    Citations: 13
  • Combinatorial optimization for high spin polarization in Heusler alloy composition-spread thin films by anisotropic magnetoresistance effect
    R Toyama, VK Kushwaha, TT Sasaki, Y Iwasaki, T Nakatani, Y Sakuraba
    APL Materials 11 (10), 101127 , 2023
    2023
    Citations: 13
  • Origin of negative anisotropic magnetoresistance effect in single-crystal thin films upon Ir addition
    R Toyama, S Kokado, K Masuda, Z Li, VK Kushwaha, TT Sasaki, ...
    Physical Review Materials 7 (8), 084401 , 2023
    2023
    Citations: 11
  • Observation of charge-to-spin conversion with giant efficiency at Ni0. 8Fe0. 2/Bi2WO6 interface
    S Das, S Sugimoto, VK Kushwaha, Y Kozuka, S Kasai
    APL Materials 11 (4), 041113 , 2023
    2023
    Citations: 1
  • Origin of magnetic moment increase in (Fe75Co25) 100-x-Irx studied by magnetic circular dichroism (MCD)
    T Kawasaki, T Yamazaki, AL Foggiatto, K Fuku, R Toyama, VK Kushwaha, ...
    Abstract book of Annual Meeting of the Japan Society of Vacuum and Surface … , 2023
    2023
  • Observation of charge-to-spin conversion with giant efficiency at Ni
    S Das, S Sugimoto, VK Kushwaha
    2023
  • Phase stability and half-metallic character of off-stoichiometric Co2FeGa0. 5Ge0. 5 Heusler alloys
    Z Chen, Y Sakuraba, Y Miura, Z Li, T Sasaki, H Suto, VK Kushwaha, ...
    Journal of Applied Physics 132 (18), 183902 , 2022
    2022
    Citations: 11
  • High L21-atomic ordering and spin-polarization in Co2MnZ (Z= Ge, Sn) Heusler thin films with low-temperature annealing process
    VK Kushwaha, Y Sakuraba, T Nakatani, T Sasaki, I Kurniawan, Y Miura, ...
    APL Materials 10 (9), 091119 , 2022
    2022
    Citations: 5
  • Autonomous material search for highly spin-polarized disordered material: Enhanced spin-polarization of CoFe upon Ag substitution
    VK Kushwaha, Y Iwasaki, T Nakatani, T Sasaki, S Kasai, K Uchida, ...
    JSAP Annual Meetings Extended Abstracts The 83rd JSAP Autumn Meeting 2022 … , 2022
    2022

MOST CITED SCHOLAR PUBLICATIONS

  • Sign Reversal of Fieldlike Spin-Orbit Torque in an Ultrathin Bilayer
    A Bose, H Singh, VK Kushwaha, S Bhuktare, S Dutta, AA Tulapurkar
    Physical Review Applied 9 (1), 014022 , 2018
    2018
    Citations: 40
  • Structural, dielectric and magnetoelectric studies of [0.5 Ba (Zr0. 2Ti0. 8) O3-0.5 (Ba0. 7Ca0. 3) TiO3]-Ni0. 8Zn0. 2Fe2O4 multiferroic composites
    J Rani, VK Kushwaha, J Kolte, CV Tomy
    Journal of Alloys and Compounds 696, 266-275 , 2017
    2017
    Citations: 38
  • Possible spin gapless semiconductor type behaviour in CoFeMnSi epitaxial thin films
    VK Kushwaha, J Rani, A Tulapurkar, CV Tomy
    Applied Physics Letters 111 (15), 152407 , 2017
    2017
    Citations: 32
  • Prediction of half-metallic gap formation and Fermi level position in Co-based Heusler alloy epitaxial thin films through anisotropic magnetoresistance effect
    VK Kushwaha, S Kokado, S Kasai, Y Miura, T Nakatani, R Kumara, ...
    Physical Review Materials 6 (6), 064411 , 2022
    2022
    Citations: 23
  • Microstructure and atomic order analyses in CoFeCrAl Heusler alloy thin films: Interpretation of spin gapless semiconductor-like transport properties
    ZX Chen, Y Sakuraba, K Masuda, XD Xu, LSR Kumara, H Tajiri, Y Kotani, ...
    Acta Materialia 232, 117958 , 2022
    2022
    Citations: 21
  • Strong magnetoelectric effect in pulse laser deposited [Ba(Zr 0.2 Ti 0.8 )O 3 ‐0.5(Ba 0.7 Ca 0.3 )TiO 3 ]/CoFe 2 O 4 bilayer thin film
    J Rani, VK Kushwaha, J Kolte, CV Tomy
    Journal of the American Ceramic Society 101 (12), 5651-5658 , 2018
    2018
    Citations: 16
  • Large anomalous Nernst conductivity of L 1 0 -ordered CoPt in CoPt composition-spread thin films
    R Toyama, K Masuda, K Simalaotao, W Zhou, VK Kushwaha, Y Sakuraba
    Journal of Physics D: Applied Physics 57 (40), 405001 , 2024
    2024
    Citations: 13
  • Combinatorial optimization for high spin polarization in Heusler alloy composition-spread thin films by anisotropic magnetoresistance effect
    R Toyama, VK Kushwaha, TT Sasaki, Y Iwasaki, T Nakatani, Y Sakuraba
    APL Materials 11 (10), 101127 , 2023
    2023
    Citations: 13
  • Room temperature magnetoelectric properties of [Ba (Zr0. 2Ti0. 8) O3-0.5 (Ba0. 7Ca0. 3) TiO3]/Ni0. 8Zn0. 2Fe2O4 bilayer thin films deposited by laser ablation
    J Rani, VK Kushwaha, PK Patel, CV Tomy
    Materials Chemistry and Physics 256, 123692 , 2020
    2020
    Citations: 12
  • Origin of negative anisotropic magnetoresistance effect in single-crystal thin films upon Ir addition
    R Toyama, S Kokado, K Masuda, Z Li, VK Kushwaha, TT Sasaki, ...
    Physical Review Materials 7 (8), 084401 , 2023
    2023
    Citations: 11
  • Phase stability and half-metallic character of off-stoichiometric Co2FeGa0. 5Ge0. 5 Heusler alloys
    Z Chen, Y Sakuraba, Y Miura, Z Li, T Sasaki, H Suto, VK Kushwaha, ...
    Journal of Applied Physics 132 (18), 183902 , 2022
    2022
    Citations: 11
  • Structural insight using anomalous XRD into Mn2CoAl Heusler alloy films grown by magnetron sputtering, IBAS, and MBE techniques
    H Tajiri, LSR Kumara, Y Sakuraba, Z Chen, J Wang, W Zhou, K Varun, ...
    Acta Materialia 235, 118063 , 2022
    2022
    Citations: 9
  • Exploring magnetoelectric coupling in trilayer [Ba (Zr0. 2Ti0. 8) O3-0.5 (Ba0. 7Ca0. 3) TiO3]/CoFe2O4/[Ba (Zr0. 2Ti0. 8) O3-0.5 (Ba0. 7Ca0. 3) TiO3] thin film
    J Rani, VK Kushwaha, PK Patel, CV Tomy
    Journal of Alloys and Compounds 863, 157702 , 2021
    2021
    Citations: 9
  • Improvement in CPP-GMR read head sensor performance using [001]-oriented polycrystalline half-metallic Heusler alloy Co 2 FeGa 0.5 Ge 0.5 and CoFe bilayer …
    D Taparia, T Sasaki, T Nakatani, H Suto, Y Miura, Z Li, VK Kushwaha, ...
    Science and Technology of Advanced Materials 25 (1), 2388503 , 2024
    2024
    Citations: 6
  • High L21-atomic ordering and spin-polarization in Co2MnZ (Z= Ge, Sn) Heusler thin films with low-temperature annealing process
    VK Kushwaha, Y Sakuraba, T Nakatani, T Sasaki, I Kurniawan, Y Miura, ...
    APL Materials 10 (9), 091119 , 2022
    2022
    Citations: 5
  • Enhancement of Thermopower due to Deficiency of Sb in FeSb 2
    A Sanchela, V Kushwaha, AD Thakur, CV Tomy
    Advanced Materials Research 665, 179-181 , 2013
    2013
    Citations: 4
  • Dynamical stability by spin transfer in nearly isotropic magnets
    H Kurebayashi, J Barker, T Yamazaki, VK Kushwaha, KD Stenning, ...
    Nature Materials , 2026
    2026
    Citations: 3
  • Combinatorial sputtering synthesis of TbCu7-type Sm-Fe based compounds: A study on phase, composition, and extrinsic magnetic properties
    AR Dilipan, H Sepehri-Amin, R Modak, VK Kushwaha, Y Sakuraba, ...
    Journal of Alloys and Compounds 1010, 177723 , 2025
    2025
    Citations: 3
  • Analysis of the effect of the Fermi surface matching at Co–Fe and Cu interface on giant magnetoresistance effect using a combinatorial technique
    VK Kushwaha, R Toyama, Y Miura, Y Iwasaki, Y Sakuraba
    AIP Advances 14 (12), 125329 , 2024
    2024
    Citations: 3
  • Elucidation of peak effect phenomenon in a single crystal of superconducting Ca3Ir4Sn13
    S Kumar, VK Kushwaha, RP Singh, A Thamizhavel, CV Tomy, AK Grover
    AIP Conference Proceedings 1665 (1), 130009 , 2015
    2015
    Citations: 3