Prof. Subhash Thota

Welcome to this webpage

Dr. Subhash Thota is a Materials Scientist & Experimental Condensed Matter Physicist whose research interests are driven by current experimental observations that challenge the standard paradigms of Magnetism, Charge-transport, Spincaloritronics & Magneto-dielectrics. He received his Ph.D. from Materials Science Programme of Indian Institute of Technology Kanpur in 2009. Subsequently, he spent two years as a Postdoctoral fellow working on Magnetic-Superlattices from the CNRS laboratory CRISMAT located at Caen, France. Currently he is working as Professor at the Department of Physics, Indian Institute of Technology Guwahati. The links on the left hand side provide more information regarding his current research and teaching activities.

Selected Publications

Phonon scattering and magnetic manifold switching in (GdSm)CrO3

S. Das, R. K. Dokala, B. Weise, P. K. Mishra, R. Medwal, R. S. Rawat, and S. Thota

Phys. Rev. Materials, 7, 084410,(2023) APS

Unraveling the nature of ferrimagnetism and associated exchange interactions in distorted honeycomb Ni4Nb2O9

S. Thota, M. S. Seehra, M. R. Chowdhury, H. Singh, S. Ghosh, S. K. Jena, P. Pramanik, T. Sarkar, R. S. Rawat, R. Medwal, and B. Weise

Phys. Rev. B 106, 134418,(2022) APS

Strong correlation between structure and magnetic ordering in tetragonally distorted off-stoichiometric spinels

P. Pramanik, M. Reehuis, M. Tovar, A. Hoser, J.-U. Hoffmann, Y. S. Chen, J. G. Lin, B. Weise, A. Waske, and S. Thota

Phys. Rev. Materials 6, 034407,(2022) APS

Magnetic ground state and exchange interactions in the Ising chain ferromagnet CoNb2O6

Subhash Thota, Sayandeep Ghosh, Maruthi R, Deep C. Joshi, Rohit Medwal, Rajdeep S. Rawat, and Mohindar S. Seehra

Physical Review B 103, 064415 (2021) APS

Neutron diffraction evidence for local spin canting, weak Jahn–Teller distortion, and magnetic compensation in Ti1−xMn x Co2O4

P. Pramanik, D. C. Joshi, M. Reehuis, J-U Hoffmann, R S Manna, T Sarkar and S. Thota

J. Phys. Condens. Matter 32, 134422 (2020) IOP

Magnetic ground state, field-induced transitions, electronic structure, and optical band gap of the frustrated antiferromagnet GeCo2O4 

P. Pramanik, S. Ghosh, P. Yanda, D. C. Joshi, S. Pittala, A. Sundaresan, P. K. Mishra, S. Thota, and M. S. Seehra

Physical Review B, 99, 134422(2019) APS

Low-temperature anomalous spin correlations and Kondo effect in ferromagnetic SrRuO3/LaNiO3/La0.7Sr0.3MnO3 trilayers 

Sayandeep Ghosh, R. G. Tanguturi, P. Pramanik, D. C. Joshi, P. K. Mishra, S. Das, and S. Thota

Physical Review B, 99, 115135(2019) APS

Role of dilution on the electronic structure and magnetic ordering of spinel cobaltites 

Sayandeep Ghosh, Sobhit Singh, Deep Chandra Joshi, Prativa Pramanik, Subhradip Ghosh, Pankaj Kumar Mishra, and Subhash Thota

Physical Review B, 98, 235119(2018) APS

Magnetic transitions in Mn3O4 and an anomaly at 38 K in magnetization and specific heat

F. Guillou, S. Thota, W. Preellier, J. Kumar and V. Hardy

 Physics Review B, 83, 094423, (2011) APS

Neutron Diffraction Study of Inverse Spinels Co2TiO4 and Co2SnO4 

S Thota, M Reehuis, A Maljuk, A Hoser, JU Hoffmann, B Weise, A Waske, M. Krautz, D. C. Joshi, S. Nayak, S. Ghosh, P. Suresh, K. Dasari, S. Wurmehl, O. Prokhnenko, and B. Büchner

Physical Review B, 96(14), 144104 (2017) APS  

Phonon scattering and magnetic manifold switching in (GdSm)CrO3 

S. Das, R. K. Dokala, B. Weise, P. K. Mishra, R. Medwal, R. S. Rawat, and S. Thota

Physical Review Materials, 7, 084410 (2023) APS  

Cationic distribution, exchange interactions, and relaxation dynamics in Zn-diluted MnCo2O4 nanostructures 

P. Pramanik, D. C. Joshi, N. Tiwari, T. Sarkar, S. Pittala, O.O. Salman, M.-M. Manga, and S. Thota

Journal of Applied Physics, 125, 124302(2019) AIP

Modulation of Peptide Based Nano-Assemblies with Electric and Magnetic Fields 

G. Pandey, J. Saikia, S. Sasidharan, D. C. Joshi, S. Thota, H. B. Nemade, N. Chaudhary & V. Ramakrishnan

Scientific Reports, 7, 2726 (2017) Nature 

Size-dependent structural, magnetic, and optical properties of MnCo2O4 nanocrystallites 

S. Singh, P. Pramanik, S. Sangaraju, A. Mallick, L. Giebeler, S. Thota

Journal of Applied Physics, 121, 194304 (2017) AIP  

Structural and Dielectric Properties of the Fluorite-Type LaxCe1− xO2-δ Ceramics 

K Singh, K Kumar, S Nayak, DC Joshi, MM Alom, S Thota, A Chowdhury

Journal of Physics D: Applied Physics, 50, 495601 (2017) IOP  

Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4 

S. Nayak, S. Thota, D. C. Joshi, M. Krautz, A. Waske, A. Behler, J. Eckert, T. Sarkar, M. S. Andersson, R. Mathieu, V. Narang, and M. S. Seehra

Physical Review B, 92, 214434 (2015) APS  

On the nature of magnetic state in the spinel Co2SnO4

S. Thota, V. Narang, S. Nayak, S. Sambasivam, B.C. Choi, T. Sarkar, M. S. Andersson, R. Mathieu, and M. S. Seehra,

Journal of Physics.: Condensed Matter, 27, 166001 (2015) IOP  

Anisotropic magnetocaloric efect in all-ferromagnetic (La0.7Sr0.3MnO3/SrRuO3) superlattices 

S. Thota, Q. Zhang,F. Guillou, U. Luders, W. Preellier, A. Wahl and P. Padhan,

 Applied Physics Letters, 97, 112506 [1-3], (2010) AIP

Synthesis and magnetic properties of nanocrystals of cubic defect spinel MgMnO3

M.S. Seehra, V. Singh, S. Thota, B. Prasad and J. Kumar, 

Applied Physics Letters, 97, 112507 [1-3], (2010)  AIP

Synthesis, Structure and  Magnetic behaviour of Nanoparticles of Cubic ZnMnO3

J. Rall, S. Thota, J. Kumar, and M. S. Seehra, 

Applied Physics Letters 100, 252407 (2012) AIP

A comparative study of magnetic properties of bulk and nanocrystalline Co3O4

P.Dutta, M.S.Seehra, S.Thota and J.Kumar

Journal of Physics Condesed Matter, 20, 015218[1-8](2008) IOP 

On the sol-gel synthesis and thermal, structural, and magnetic studies of transition metal(Ni, Co, Mn) containing ZnO powders 

S. Thota, T. Dutta and J. Kumar, 

Journal of Physics Condensed Matter, 18, 2473-86 (2006) IOP 

The ac-magnetic susceptibility and dielectric response of complex spin-ordering process in Mn3O4

S. Thota, K. Patyal, S. Nayak, Ch. Simon, J. Kumar and W. Prellier, 

Journal of Applied Physics 116, 103906 (2014) AIP