Dr. Samik DuttaGupta

Associate Professor
Room No	:	244
Ext.	:	2244
Email id	:	duttagupta.samik[AT]saha.ac.in
Division	:	Experimental Condensed Matter Physics Division

Research

From August 2022 onwards:
1. Arnab Bhattacharya, Mohammad Rezwan Habib, Afsar Ahmed, Biswarup Satpati, S. DuttaGupta, Indra Dasgupta, and I. Das, Spin-valve-like magnetoresistance and anomalous Hall effect in magnetic Weyl metal Mn₂PdSn, Phys. Rev. B. 110, 014417 (2024) (IF: 3.2).
2. Afsar Ahmed, Arnab Bhattacharya, S. DuttaGupta, and I Das, Critical Analysis of skyrmionic material Co_6.5Ru_1.5Zn₈Mn₄: a complex interplay of short and long-range interactions around the transition temperature, Journal of Alloys and Compounds 982, 173695 (2024). (IF: 6.37).
3. A. Bhattacharya, A. Ahmed, S. DuttaGupta*, and I. Das, Critical behavior and phase diagram of skyrmion-hosting material Co_3.6Fe_4.4Zn₈Mn₄ probed by anomalous Hall effect, Journal of Alloys and Compounds 960, 170274 (2023). (IF: 6.37).

Under Review:
1. T. V. A. Nguyen, V. T. N. Huyen, S. DuttaGupta, Y. Saito, D. Vu, Y. Endo, H. Naganuma, S. Ikeda, and T. Endoh, Spin current generated in collinear antiferromagnet RuO₂with triple-domain structure (under review) (2023).

Till August 2022:
1. R. Roy Chowdhury, S. DuttaGupta, C. Patra, A. Kataria, S. Fukami, and R. P. Singh, Anisotropic magnetotransport in the layered antiferromagnet TaFe_1.25Te₃, Phys. Rev. Materials 6, 084408 (2022).
2. T. Uchimura, J.-Y. Yoon, Y. Sato, Y. Takeuchi, S. Kanai, R. Takechi, K. Kishi, Y. Yamane, S. DuttaGupta, J. Ieda, H. Ohno, and S. Fukami, Observation of domain structure in non-collinear antiferromagnetic Mn₃Sn thin films by magneto-optical Kerr effect, Appl. Phys. Lett. 120, 172405 (2022).
3. R. Roy Chowdhury, C. Patra, S. DuttaGupta, S. Satheesh, S. Dan, S. Fukami, and R. P. Singh, Modification of unconventional Hall effect with doping at the non-magnetic site in a 2D van der Waals ferromagnet, Phys. Rev. Materials 6, 014002 (2022).
4. R. Roy Chowdhury, S. DuttaGupta, C. Patra, S. Sharma, S. Fukami, H. Ohno and R. P. Singh, Unconventional Hall effect and its variation with Co-doping in van der Waals Fe₃GeTe₂, Scientific Reports 11, 14121 (2021).
5. J.- Y. Yoon, Y. Takeuchi, S. DuttaGupta, Y. Yamane, S. Kanai, J. Ieda, H. Ohno and S. Fukami, Correlation of anomalous Hall effect with structural parameters and magnetic ordering in Mn_3+xSn_1-x thin films, AIP Advances 11, 065318 (2021).
6. S. DuttaGupta, A. Kurenkov, Oleg A. Tretiakov, G. Krishnaswamy, G. Sala, V. Krizakova, F. Machherozzi, S. S. Dhesi, P. Gambardella, H. Ohno and S. Fukami, Spin-orbit torque switching of an antiferromagnetic metallic heterostructure, Nature Communications 11, 5715 (2020).
7. K. V. De Zoysa, S. DuttaGupta, R. Itoh, Y. Takeuchi, H. Ohno and S. Fukami, Composition dependence of spin-orbit torque in Pt_1-xMn_x/CoFeB heterostructures, Applied Physics Letters 117, 012402 (2020) (selected as Editor’s Pick).
8. R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami and H. Ohno, Stack structure and temperature dependence of spin-orbit torques in heterostructures with antiferromagnetic PtMn, Applied Physics Letters 115, 242404 (2019).
9. T. Dohi, S. DuttaGupta, S. Fukami and H. Ohno, Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles, Nature Communications 10, 5153 (2019) (selected as Editor’s highlights).
10. A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio and H. Ohno, Artificial neuron and synapse realized in an antiferromagnet/ ferromagnet heterostructure using dynamics of spin-orbit torque switching, Advanced Materials 31, 1900636 (2019) (selected as inside back cover of the issue).
11. T. Dohi, S. DuttaGupta, S. Fukami and H. Ohno, Reversal of domain wall chirality with ferromagnet thickness in W/(Co)FeB/MgO systems, Applied Physics Letters 114, 042405 (2019).
12. S. DuttaGupta, R. Itoh, S. Fukami, and H. Ohno, Angle dependent magnetoresistance in heterostructures with antiferromagnetic and non-magnetic metals, Applied Physics Letters 113, 202404 (2018) (selected as Featured Article)
13. C. Zhang, S. Fukami, S. DuttaGupta, H. Sato and H. Ohno, Time and spatial evolution of spin-orbit torque induced magnetization switching in W/CoFeB/MgO structures with various sizes, Japanese Journal of Applied Physics 57, 04FN02 (2018).
14. S. DuttaGupta, T. Kanemura, C. Zhang, A. Kurenkov, S. Fukami and H. Ohno, Spin-orbit torques and Dzyaloshinskii-Moriya interaction in PtMn/[Co/Ni] heterostructures, Applied Physics Letters 111, 182412 (2017).
15. A. Kurenkov, C. Zhang, S. DuttaGupta, S. Fukami and H. Ohno, Device-size dependence of field-free spin-orbit torque induced magnetization switching in antiferromagnet/ferromagnet structures, Applied Physics Letters 110, 092410 (2017).
16. S. DuttaGupta, S. Fukami, B. Kuerbanjiang, H. Sato, F. Matsukura, V.K. Lazarov and H. Ohno, Magnetic domain-wall creep driven by field and current in Ta/CoFeB/MgO, AIP Advances 7, 055918 (2017).
17. C. Zhang, S. Fukami, K. Watanabe, A. Ohkawara, S. DuttaGupta, H. Sato, F. Matsukura and H. Ohno, Critical role of W deposition condition on spin-orbit torque induced magnetization switching in nanoscale W/CoFeB/MgO, Applied Physics Letters 109, 192405 (2016).
18. S. Fukami, C. Zhang, S. DuttaGupta, A. Kurenkov and H. Ohno, Magnetization switching by spin-orbit torque in an antiferromagnet-ferromagnet bilayer system, Nature Materials 15, 535 (2016).
19. S. DuttaGupta, S. Fukami, C. Zhang, H. Sato, M. Yamanouchi, F. Matsukura and H. Ohno, Adiabatic spin-transfer-torque induced domain wall creep in a magnetic metal, Nature Physics 12, 333 (2016).

Last Updated on Friday, 11 April 2014 19:21

Personal Details

Education

Career

Research

Additional Information

Research
From August 2022 onwards: 1. Arnab Bhattacharya, Mohammad Rezwan Habib, Afsar Ahmed, Biswarup Satpati, S. DuttaGupta, Indra Dasgupta, and I. Das, Spin-valve-like magnetoresistance and anomalous Hall effect in magnetic Weyl metal Mn₂PdSn, Phys. Rev. B. 110, 014417 (2024) (IF: 3.2). 2. Afsar Ahmed, Arnab Bhattacharya, S. DuttaGupta, and I Das, Critical Analysis of skyrmionic material Co_6.5Ru_1.5Zn₈Mn₄: a complex interplay of short and long-range interactions around the transition temperature, Journal of Alloys and Compounds 982, 173695 (2024). (IF: 6.37). 3. A. Bhattacharya, A. Ahmed, S. DuttaGupta, and I. Das, Critical behavior and phase diagram of skyrmion-hosting material Co_3.6Fe_4.4Zn₈Mn₄ probed by anomalous Hall effect, Journal of Alloys and Compounds* 960, 170274 (2023). (IF: 6.37). Under Review: 1. T. V. A. Nguyen, V. T. N. Huyen, S. DuttaGupta, Y. Saito, D. Vu, Y. Endo, H. Naganuma, S. Ikeda, and T. Endoh, Spin current generated in collinear antiferromagnet RuO₂with triple-domain structure (under review) (2023). Till August 2022: 1. R. Roy Chowdhury, S. DuttaGupta, C. Patra, A. Kataria, S. Fukami, and R. P. Singh, Anisotropic magnetotransport in the layered antiferromagnet TaFe_1.25Te₃, Phys. Rev. Materials 6, 084408 (2022). 2. T. Uchimura, J.-Y. Yoon, Y. Sato, Y. Takeuchi, S. Kanai, R. Takechi, K. Kishi, Y. Yamane, S. DuttaGupta, J. Ieda, H. Ohno, and S. Fukami, Observation of domain structure in non-collinear antiferromagnetic Mn₃Sn thin films by magneto-optical Kerr effect, Appl. Phys. Lett. 120, 172405 (2022). 3. R. Roy Chowdhury, C. Patra, S. DuttaGupta, S. Satheesh, S. Dan, S. Fukami, and R. P. Singh, Modification of unconventional Hall effect with doping at the non-magnetic site in a 2D van der Waals ferromagnet, Phys. Rev. Materials 6, 014002 (2022). 4. R. Roy Chowdhury, S. DuttaGupta, C. Patra, S. Sharma, S. Fukami, H. Ohno and R. P. Singh, Unconventional Hall effect and its variation with Co-doping in van der Waals Fe₃GeTe₂, Scientific Reports 11, 14121 (2021). 5. J.- Y. Yoon, Y. Takeuchi, S. DuttaGupta, Y. Yamane, S. Kanai, J. Ieda, H. Ohno and S. Fukami, Correlation of anomalous Hall effect with structural parameters and magnetic ordering in Mn_3+xSn_1-x thin films, AIP Advances 11, 065318 (2021). 6. S. DuttaGupta, A. Kurenkov, Oleg A. Tretiakov, G. Krishnaswamy, G. Sala, V. Krizakova, F. Machherozzi, S. S. Dhesi, P. Gambardella, H. Ohno and S. Fukami, Spin-orbit torque switching of an antiferromagnetic metallic heterostructure, Nature Communications 11, 5715 (2020). 7. K. V. De Zoysa, S. DuttaGupta, R. Itoh, Y. Takeuchi, H. Ohno and S. Fukami, Composition dependence of spin-orbit torque in Pt_1-xMn_x/CoFeB heterostructures, Applied Physics Letters 117, 012402 (2020) (selected as Editor’s Pick). 8. R. Itoh, Y. Takeuchi, S. DuttaGupta, S. Fukami and H. Ohno, Stack structure and temperature dependence of spin-orbit torques in heterostructures with antiferromagnetic PtMn, Applied Physics Letters 115, 242404 (2019). 9. T. Dohi, S. DuttaGupta, S. Fukami and H. Ohno, Formation and current-induced motion of synthetic antiferromagnetic skyrmion bubbles, Nature Communications 10, 5153 (2019) (selected as Editor’s highlights). 10. A. Kurenkov, S. DuttaGupta, C. Zhang, S. Fukami, Y. Horio and H. Ohno, Artificial neuron and synapse realized in an antiferromagnet/ ferromagnet heterostructure using dynamics of spin-orbit torque switching, Advanced Materials 31, 1900636 (2019) (selected as inside back cover of the issue). 11. T. Dohi, S. DuttaGupta, S. Fukami and H. Ohno, Reversal of domain wall chirality with ferromagnet thickness in W/(Co)FeB/MgO systems, Applied Physics Letters 114, 042405 (2019). 12. S. DuttaGupta, R. Itoh, S. Fukami, and H. Ohno, Angle dependent magnetoresistance in heterostructures with antiferromagnetic and non-magnetic metals, Applied Physics Letters 113, 202404 (2018) (selected as Featured Article) 13. C. Zhang, S. Fukami, S. DuttaGupta, H. Sato and H. Ohno, Time and spatial evolution of spin-orbit torque induced magnetization switching in W/CoFeB/MgO structures with various sizes, Japanese Journal of Applied Physics 57, 04FN02 (2018). 14. S. DuttaGupta, T. Kanemura, C. Zhang, A. Kurenkov, S. Fukami and H. Ohno, Spin-orbit torques and Dzyaloshinskii-Moriya interaction in PtMn/[Co/Ni] heterostructures, Applied Physics Letters 111, 182412 (2017). 15. A. Kurenkov, C. Zhang, S. DuttaGupta, S. Fukami and H. Ohno, Device-size dependence of field-free spin-orbit torque induced magnetization switching in antiferromagnet/ferromagnet structures, Applied Physics Letters 110, 092410 (2017). 16. S. DuttaGupta, S. Fukami, B. Kuerbanjiang, H. Sato, F. Matsukura, V.K. Lazarov and H. Ohno, Magnetic domain-wall creep driven by field and current in Ta/CoFeB/MgO, AIP Advances 7, 055918 (2017). 17. C. Zhang, S. Fukami, K. Watanabe, A. Ohkawara, S. DuttaGupta, H. Sato, F. Matsukura and H. Ohno, Critical role of W deposition condition on spin-orbit torque induced magnetization switching in nanoscale W/CoFeB/MgO, Applied Physics Letters 109, 192405 (2016). 18. S. Fukami, C. Zhang, S. DuttaGupta, A. Kurenkov and H. Ohno, Magnetization switching by spin-orbit torque in an antiferromagnet-ferromagnet bilayer system, Nature Materials 15, 535 (2016). 19. S. DuttaGupta, S. Fukami, C. Zhang, H. Sato, M. Yamanouchi, F. Matsukura and H. Ohno, Adiabatic spin-transfer-torque induced domain wall creep in a magnetic metal, Nature Physics 12, 333 (2016).

Dr. Samik DuttaGupta

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