Sumanta Chattopadhyay
Sumanta Chattopadhyay
Post-Doctoral Research Fellow, Dresden High Magnetic Field Laboratory (HLD), Helmholtz-Zentrum
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Evidence for Room Temperature Electric Polarization in RMn2O5 Multiferroics
V BalÚdent, S Chattopadhyay, P Fertey, MB Lepetit, M Greenblatt, ...
Physical Review Letters 114 (11), 117601, 2015
Recognition of exchange striction as the origin of magnetoelectric coupling in multiferroics
G Yahia, F Damay, S Chattopadhyay, V BalÚdent, W Peng, E Elkaim, ...
Physical Review B 95, 184112, 2017
Magnetic and electric properties of CaMn7O12 based multiferroic compounds: effect of electron doping
J Sannigrahi, S Chattopadhyay, D Dutta, S Giri, S Majumdar
Journal of Physics: Condensed Matter 25 (24), 246001, 2013
Evidence of multiferroicity in NdMn2O5
S Chattopadhyay, V BalÚdent, F Damay, A Gukasov, E Moshopoulou, ...
Physical Review B 93, 104406, 2016
Observation of giant spin-split Fermi-arc with maximal Chern number in the chiral topological semimetal PtGa
M Yao, K Manna, Q Yang, A Fedorov, V Voroshnin, BV Schwarze, ...
Nature Communications 11, 2033, 2020
3d-4f coupling and multiferroicity in frustrated Cairo Pentagonal oxide DyMn2O5
S Chattopadhyay, S Petit, E Ressouche, S Raymond, V BalÚdent, G Yahia, ...
Scientific Reports 7, 14506, 2017
Observation of large-D magnetic phase in Sr 3 NiPtO 6
S Chattopadhyay, D Jain, V Ganesan, S Giri, S Majumdar
Physical Review B 82 (9), 094431, 2010
Cooperative spin freezing and the pinning assisted thermoremanent magnetization in Ni2.04Mn1.36Sn0.6 alloy
S Pramanick, S Chattopadhyay, S Giri, S Majumdar, S Chatterjee
Journal of Applied Physics 116, 083910, 2014
Glassy magnetic ground state in : Role of first order phase transition and short range antiferromagnetic correlations
S Chattopadhyay, S Giri, S Majumdar
Journal of Applied Physics 112 (8), 083915, 2012
Experimental evidence for the microscopic mechanism of the unusual spin-induced electric polarization in GdMn2O5
G Yahia, F Damay, S Chattopadhyay, V BalÚdent, W Peng, SW Kim, ...
Physical Review B 97, 085128, 2018
Magnetic behaviour of doped dimer compounds Sr3Cr2− x M x O8 (M= V, Mn)
S Chattopadhyay, S Giri, S Majumdar
The European Physical Journal B 85, 1, 2012
Broken chain effect in doped SrCuO2
S Chattopadhyay, S Giri, S Majumdar
Journal of Physics: Condensed Matter 23 (21), 216006, 2011
Observation of colossal magnetocaloric effect and its dependence on applied hydrostatic pressure in thermally cycled Mn0.53Fe0.47NiSi0.53Ge0.47 alloy.
P Dutta, S Pramanick, S Chattopadhyay, D Das, S Chatterjee
Journal of Alloys and Compounds 735, 2087, 2018
Phase coexistence and multiple dielectric relaxations in the single layered manganite
S Chattopadhyay, S Giri, S Majumdar
Journal of Applied Physics 107 (1), 014108, 2010
Thermodynamic and neutron diffraction studies on multiferroic NdMn2O5
S Chattopadhyay, V BalÚdent, P Auban-Senzier, C Pasquier, ...
Physica B: Condensed Matter 460, 214, 2015
Structural domain and spin-ordering–induced glassy magnetic phase in single-layered manganite Pr0. 22Sr1. 78MnO4
S Chattopadhyay, S Giri, S Majumdar
Europhysics Letters 98 (2), 27004, 2012
Pressure-induced commensurate order in TbMn2O5 and DyMn2O5 : Influence of rare-earth anisotropy and 3d-4f exchange
M Deutsch, W Peng, P Foury-Leylekian, V BalÚdent, S Chattopadhyay, ...
Physical Review B 98, 024408, 2018
Single-crystal neutron diffraction study of hexagonal multiferroic YbMnO3 under a magnetic field
S Chattopadhyay, V Simonet, V Skumryev, AA Mukhin, VY Ivanov, ...
Physical Review B 98, 134413, 2018
Toward pressure-induced multiferroicity in PrMn2O5
W Peng, V BalÚdent, S Chattopadhyay, MB Lepetit, G Yahia, CV Colin, ...
Physical Review B 96, 054418, 2017
An agglomeration induced glassy magnetic state in a carbon nanotube/NiO nanocomposite system
S Chattopadhyay, S Jana, S Giri, S Majumdar
Journal of Physics: Condensed Matter 24 (43), 436005, 2012
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