Publications

Journals

• P. Pramanik, D.C. Joshi, M. Reehuis, A. Hoser, J-U Hoffmann, R. S. Manna, T. Sarkar and S. Thota"Neutron diffraction evidence for local spin canting, weak Jahn?Teller distortion, and magnetic compensation in Ti1-xMnxCo2O4 spinel", Journal of Physics Condensed Matter vol.32, no.24, pp.245801-245818, [2020]

• M. Kamal Warshi, Anil Kumar, Aanchal Sati, S. Thota, K. Mukherjee, Archna Sagdeo and Pankaj R. Sagdeo"Cluster Glass Behavior in Orthorhombic SmFeO3 Perovskite:Interplay Between Spin Ordering and Lattice Dynamics", Chem. Mater. vol.32, no.3, pp.1250-1260, [2020]

• P. Pramanik, S. Ghosh, P. Yanda, D. C. Joshi, S. Pittala, A. Sundaresan, P. K. Mishra, S. Thota and M. S. Seehra"Magnetic ground state, field-induced transitions, electronic structure, and optical band gap of the frustrated antiferromagnt GeCo2O4", Phys. Rev. B vol.99, no.13, pp.134422_1-134422_12, [2019]

• Sayandeep Ghosh, Suchit Kumar Jena, Pankaj Kumar Mishra, Mohindar S Seehra and Subhash Thota "Magnetic exchange interactions and band gap bowing in NixMg1?xO (0.0???x???1.0): A GGA+U density functional study", Journal of Applied Physics vol.126, no.23, pp.233904_1-233904_10, [2019]

• P. Pramanik, D. C. Joshi, N. Tiwari, T. Sarkar, S. Pittala, O.O. Salman, M.M. Manga and S. Thota"Cationic distribution, exchange interactions, and relaxation dynamics in Zn-diluted MnCo2O4 nanostructures ", Journal of Applied Physics (AIP) vol.125, no. , pp.124302-1-11, [2019]

• S. Ghosh, R. G. Tanguturi, P. Pramanik, D. C. Joshi, P. K. Mishra, S. Das, and S. Thota"Low-temperature anomalous spin correlations and Kondo effect in ferromagnetic SrRuO3/LaNiO3/La0.7Sr0.3MnO3trilayers ", Physical Review B (APS) vol.99, no. , pp.115135-1-11, [2019]

• R. T. George, T. A. Dar, D. C. Joshi, V. Sathe, A. K. Rathore and S. Thota"Thermal hysteresis and vibrational excitations in NiO containing NaNbO3 ", Journal of Physics D: Applied Physics (IOP) vol.52, no. , pp.115301-1-10, [2019]

• D. C. Joshi, P. Pramanik, M. K. Warshi, S. Ghosh, A. Meher, K. Dasari and S. Thota"Role of phase transition in the dielectric and magnetic properties of Na containing NiO ", Journal of Physics and Chemistry of Solids (Elsevier) vol.130, no. , pp.154-164, [2019]

• B. S. Kim, N. Lee, S. Thota, T. Gemming and H. H. Cho"Effects of radiative local heating on metal solidification during selective laser melting for additive manufacturing", Applied Surface Science vol.496, no.-, pp.143594-1-143594-8, [2019]

• M. Aziziha, S. Akbarshahi, S. Ghosh, P. Pramanik, J. P. Lewis, A. H. Romero, S. Thota, M. S. Seehra, M. B. Johnson"Phonon Dynamics in Anisotropic Dilute CuAl1?xFexO2 Delafossite Alloys by a Weighted Dynamical Matrix Approach", Journal of Physical Chemistry C vol.123, no.50, pp.30604-30612, [2019]

• R.T George, D.C Joshi, S. Nayak, N. Tiwari, R.N Chauhan, P. Pramanik, T. A Dar, S. Ghosh, S. Thota"Effect of NiO substitution on the structural and dielectric behaviour of NaNbO3", AIP vol.123, no. , pp.54101, [2018]

• S. Ghosh, S. Singh, D. C. Joshi, P. Pramanik, S. Ghosh, P. K. Mishra and S.Thota"Role of dilution on the electronic structure and magnetic ordering of spinel cobaltites", Physical Review B (APS) vol.98, no. , pp.235119-1-14, [2018]

• S. Thota, K. Roychowdhury, V. Thakare, S. C. Ganguli, Z. H. Chen, E. J. Guo and S. Das"Structural and magnetic properties of La0.7Sr0.3MnO3/LaCoO3heterostructures", Applied Physics Letters (AIP) vol.113, no. , pp.122405-1-5, [2018]

• S. Das, S. Ghosh, P. Pramanik, D. C. Joshi and and S. Thota"Interfacial magnetism in LaSrMnO3/LaNiO3 ultrathin superlattices", Journal of Physics D: Applied Physics (IOP) vol.51, no. , pp.325001-1-6, [2018]

• P. Pramanik, S. Singh, D. C. Joshi, A. Mallick, K. Pisane, A. H. Romero, S. Thota and M. S. Seehra"Cubic phase stability, optical and magnetic properties of Cu-stabilized zirconia nanocrystals", Journal of Physics D: Applied Physics (IOP) vol.51, no. , pp.225304-1-12, [2018]

• RT George, DC Joshi, S Nayak, N Tiwari, RN Chauhan, P Pramanik, TA Dar, S Ghosh, S Thota"Effect of NiO substitution on the structural and dielectric behaviour of NaNbO3 ", Journal of Applied Physics, AIP vol.123, no. , pp.54101, [2018]

• D. C. Joshi, P. Pramanik, R. T. George, T. Sarkar and S. Thota"Nature of magnetic ordering in nanocomposites of Zn1-pNipO and NiO", Physica E: Low-dimensional Systems and Nanostructures (Elsevier) vol.103, no. , pp.46-52, [2018]

• R. Padam, T. Sarkar, R. Mathieu, S. Thota and D. Pal"Magnetic phase diagram of Co(Cr1-xAlx)2O4", Journal of Applied Physics vol.122, no.7, pp.73908, [2017]

• S. Thota, S. Ghosh, S. Nayak, D. C. Joshi, P. Pramanik, K. Roychowdhury and S. Das "Finite-size-scaling and Exchange-Bias in SrRuO3/LaNiO3/SrRuO3 Trilayers", Journal of Applied Physics vol.122, no.12, pp.124304, [2017]

• K. Singh, K. Kumar, S. Nayak, D.C. Joshi, M.M. Alom, S. Thota and A. Chowdhury "Structural and Dielectric Properties of the Fluorite-Type LaxCe1-xO2-δ Ceramics", Journal of Physics D: Applied Physics (IOP) vol.50, no.49, pp.495601, [2017]

• S. Singh, P. Pramanik, S. Sangaraju, A. Mallick, L. Giebeler and S. Thota "Size-dependent structural, magnetic and optical properties of MnCo2O4 nanocrystallites", Journal of Applied Physics vol.121, no.19, pp.194304, [2017]

• P. Pramanik, S. Thota, S. Singh, D. C Joshi, B. Weise, A. Waske and M. S. Seehra "Effects of Cu doping on the electronic structure and magnetic properties of MnCo2O4 nanostructures", Journal of Physics: Condensed Matter vol.29, no.42, pp.425803, [2017]

• D.C. Joshi, P. Pramanik, S. Nayak, K. Dasari, R. J. Choudhary and S. Thota "Magnetic exchange interactions and dielectric studies of Zn1–xNixO-NiO composites", Journal of Physics D. Applied Physics vol.50, no.32, pp.325002, [2017]

• 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, B. Büchner"Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4 ", Physical Review B, APS vol.96, no. , pp.144104, [2017]

• R. Soni, R. George, D. C. Joshi, S. Nayak, P. Pramanik, P. Suresh, T. A. Dar, S. Thota"Dielectric Properties of (1-x)KNbO3–xNiO Two-Phase Composites", Journal of Physics D: Applied Physics, IOP vol.50, no. , pp.415305, [2017]

• S Nayak, K Dasari, DC Joshi, P Pramanik, R Palai, A Waske, RN Chauhan, N Tiwari, Tapati Sarkar, S Thota"Low-temperature anomalous magnetic behavior of Co2TiO4 and Co2SnO4", American Institute of Physics vol.120, no. , pp.163905, [2016]

• S. Nayak, K. Dasari, D. C. Joshi, P. Pramanik, R. Palai, V. Sathe, R. N. Chauhan, N. Tiwari and S. Thota"Spectroscopic studies of Co2TiO4 and Co3O4 two-phase composites", Physica Status Solidi B vol.253, no.11, pp.2270, [2016]

• S Nayak, K Dasari, DC Joshi, P Pramanik, R Palai, A Waske, RN Chauhan, N Tiwari, Tapati Sarkar, S Thota"Low-temperature anomalous magnetic behavior of Co2TiO4 and Co2SnO4", Journal of Applied Physics vol.120, no.16, pp.163905, [2016]

• D. C. Joshi, K. Dasari, S. Nayak, R. Palai, P. Suresh, S. Thota"Localized charge carrier transport properties of Zn1-xNixO /NiO two-phase composites", Journal of Electronic Materials vol.45, no.4, pp.2059-2065, [2016]

• S Nayak, K Dasari, DC Joshi, P Pramanik, R Palai, A Waske, RN Chauhan, N Tiwari, Tapati Sarkar, S Thota"Low-temperature anomalous magnetic behavior of Co2TiO4 and Co2SnO4", Journal of Applied Physics 120 (16), 163905 (AIP) vol.120, no.16, pp.163905, [2016]

• S. Nayak, D. C. Joshi, M. Krautz, A. Waske, J. Eckert and S. Thota"Reentrant spin-glass behavior and bipolar exchange-bias effect in “Sn” substituted cobalt-orthotitanate", Journal of Applied Physics (AIP) vol.119, no. , pp.43901, [2016]

• D. C. Joshi, K. Dasari, S. Nayak, R. Palai, P. Suresh, S. Thota"Localized charge carrier transport properties of Zn1-xNixO/NiO two-phase composites", Journal of Electronic Materials, Springer vol.45, no. , pp.2059, [2016]

• S. Nayak, D. C. Joshi, M. Krautz, A. Waske, J. Eckert and S. Thota"Reentrant spin-glass behavior and bipolar exchange-bias effect in “Sn” substituted cobalt-orthotitanate", Journal of Applied Physics (American Institute of Physics) vol.119, no. , pp.43901, [2016]

• D. C. Joshi, S. Nayak, A. Kumar, A. Mohanta, D. Pamu and S. Thota"Peculiarities of the temperature dependence of electron spin resonance and Raman studies of Zn1-xNixO/NiO two-phase nanocomposites substituted cobalt-orthotitanate", Journal of Applied Physics (American Institute of Physics) vol.119, no. , pp.74303, [2016]

• S. Nayak, D. C. Joshi, M. Krautz, A. Waske, J. Eckert and S. Thota"Reentrant spin-glass behavior and bipolar exchange-bias effect in “Sn” substituted cobalt-orthotitanate", Journal of Applied Physics (AIP) vol.119, no. , pp.43901, [2016]

• D. C. Joshi, S. Nayak, A. Kumar, A. Mohanta, D. Pamu and S. Thota"Peculiarities of the temperature dependence of electron spin resonance and Raman studies of Zn_1-xNi_xO/NiO two-phase nanocomposites", Journal of Applies Physics vol.119, no.7, pp.74303, [2016]

• 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"Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4", Physical Review B, APS vol.92, no. , pp.214434, [2015]

• D. C. Joshi, S. Nayak, P. Suresh, K. S. Suresh, B.V.M. Kumar, S. Thota"The X-ray photoelectron spectroscopy and high-temperature structural studies of Zn1-xNixO/NiO two-phase composites", Physica Status Solidi (b) vol.67, no. , pp.523, [2015]

• S. Thota, V. Narang, S. Nayak, S. Sambasivam, B.C. Choi, T. Sarkar, M. S. Andersson, R. Mathieu, and M. S. Seehra"On the nature of magnetic state in the spinel Co2SnO4", Journal of Physics.: Condensed Matter, IOP vol.27, no. , pp.166001, [2015]

• S. Thota and M. S. Seehra"Addendum: Co-existence of ferrimagnetism and spin-glass state in the spinel Co2SnO4", Journal of Appled Physics vol.118, no. , pp.129901, [2015]

• 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"Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4", Physical Review B (American Physical Society) vol.92, no. , pp.214434, [2015]

• 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"Magnetic compensation, field-dependent magnetization reversal, and complex magnetic ordering in Co2TiO4", Physical Review B (American Physical Society) vol.92, no. , pp.214434, [2015]

• P. Mahesh, S. Thota, D. Pamu"Dielectric Response and AC-conductivity Studies of Gd₂O₃-Contained K_0.5Na_0.5NbO₃ Piezoelectric Ceramics ", IEEE Transactions on Dielectrics and Electrical Insulation vol.22, no.6, pp.3668-3675, [2015]

• SK Singh, MS Seehra and S. Thota "Effect of Cu doping on the magnetism of MnCo(1-x)CuxO4 cubic spinels", Bulletin of the American Physical Society vol., no. , pp. , [2014]

• S Thota , K Pisane, S Singh and MS Seehra"On the Cubic Phase Stability and Magnetic Properties of Cu-doped ZrO2", Bulletin of the American Physical Society vol., no., pp. , [2014]

• D. C. Joshi, S. Thota , S. Nayak. D. D. Harish, P. Mahesh, A. Kumar, D. Pamu and Md. Qureshi "The dielectric behavior of Zn1-xNixO/NiO two-phase composites", Journal of Physics D: Applied Physics vol.47, no. , pp.435305, [2014]

• S. Thota , K. Patyal, S. Nayak, Ch. Simon, J. Kumar and W. Prellier "The ac-magnetic susceptibility and dielectric response of complex spin-ordering process in Mn3O4", Journal of Applied Physics vol.116, no. , pp.103906, [2014]

• M. Peddigari, S. Thota , D. Pamu "Dielectric and ac-conductivity studies of Dy2O3 doped KNaNbO3 ceramics ", AIP Advances vol.4, no.8, pp.87113, [2014]

• A. Kumar, S. Thota , D. Deva and J. Kumar"Ion induced secondary electron emission, Optical and hydration resistance behavior of MgO, Mg-Mo-O and Mg-Ce-O thin films", Thin Solid Films vol.556, no., pp.260, [2014]

• T. S. Kumar, P. Gogoi,S. Thota and D. Pamu "Structural and Dielectric studies of Co doped MgTiO3 thin-films fabricated by RF magnetron sputtering", AIP Advances vol.4, no. , pp.67142, [2014]

• A Kumar, S Thota , S Sivakumar, S Priya and J Kumar"Sol–gel synthesis and optical behavior of Mg–Ce–O nano-crystallites", Journal of sol-gel science and technology vol.68, no.1, pp. 46-53, [2013]

• S. Thota and M. S. Seehra"Co-existence of ferrimagnetism and spin-glass state in the spinel Co2SnO4 ", Journal of Applied Physics vol.113, no. , pp.203905, [2013]

• S. Thota , J. H. Shim, and M.S. Seehra"Size-dependent shifts of Néel temperature and Optical Band-Gap in NiO nanoparticles ", Journal of Applied Physics vol.114, no. , pp.214307, [2013]

• S. Thota , S. K. Das, A. Kumar, S. Sangaraju and B. C. Choi"Memory effects and relaxation dynamics of MnCo2O4 nanocrystallites", IEEE Transactions on Magnetics vol.49, no. , pp.1020, [2013]

• S. Thota , K. Singh, B. Prasad, J. Kumar, Ch. Simon and W. Prellier"Formation mechanism, Optical and Magneto-dielectric studies of new cubic spinel MgMnO3", AIP Advances vol.2, no. , pp.32140, [2012]

• J. Rall, S. Thota , J. Kumar and M. S. Seehra"Synthesis, Structure and Magnetic behaviour of Nanoparticles of Cubic ZnMnO3", Applied Physics Letters vol.100, no. , pp.252407, [2012]

• N. Budiredla, A. Kumar, S. Thota and J. Kumar"Synthesis and Optical Characterization of Mg1-xNixO Nanostructures", Nanomaterials vol.10, no. , pp.5402, [2012]

• M. S. Seehra, V. Singh and S. Thota "Magnetic frustration and short-range ordering in cubic defect spinel MgMnO3", Journal of Applied Physics vol.110, no. , pp.113907, [2011]

• G. Pandey, J. Saikia, S. Sasidharan, D. C. Joshi, S. Thota, H. B. Nemade, N. Chaudhary , V. Ramakrishnan"Modulation of Peptide Based Nano-Assemblies with Electric and Magnetic Fields", Scientific Reports, Nature vol.7, no. , pp.2726, [ ]

Conferences

• K. Dasari, S. Nayak, D. C. Joshi, R. Palai and S. Thota"Temperature Dependence of Micro-Raman Spectroscopy of Co2TiO4, Co3O4 and Their Composites", 5th MRS Fall Meeting, Boston, Massachusetts, USA vol.1731, no. , pp., [Nov. 27- Dec. 2, 2016]

• K. Dasari, S. Nayak, D. C. Joshi, R. Palai and S. Thota"Temperature Dependence of Micro-Raman Spectroscopy of Co2TiO4, Co3O4 and Their Composites", 5th MRS Fall Meeting, Boston, Massachusetts, USA vol., no. , pp. , [Nov. 27- Dec. 2, 2016 ]

• S. Thota, D. C. Joshi, S. Das, S.Nayak and P. Pramanik"Effect of substrate induced strain on the structural and magnetic ordering of Pr0.7Ca0.3MnO3/SrTiO3superlattices grown by Pulsed Laser Deposition", 5thInternational Conference on Magnetic Materials and Applications (ICMAGMA-2017) vol., no. , pp. , [February 1-3, 2017]

• D. C. Joshi, T. Sarkar, S. Nayak, P. Pramanik, S. Das, and S. Thota"Magnetic Properties of Zn1-xNixO/NiO two-phase Nanocomposites", 5thInternational Conference on Magnetic Materials and Applications (ICMAGMA-2017) vol., no. , pp. , [February 1-3, 2017 ]

• S. Nayak, D. C. Joshi, P. Pramanik, A.Banerjee, and S. Thota"Tunable Exchange-Bias and Magnetic Compensation Temperature of Two-Phase Spinel composites of (1-x)(Co3O4)+x(Co2TiO4)", 5thInternational Conference on Magnetic Materials and Applications (ICMAGMA-2017) vol., no. , pp. , [February 1-3, 2017 ]

• P. Pramanik, D. C. Joshi and S. Thota"Optical and Magnetization studies MnCo2-pCupO4 Ferrimagnetic Spinels", International Conference on Advanced Functional Materials (ICAFM 2017) vol., no. , pp. , [Dec.18-20, 2017]

• A. V. Singh, P. Pramanik, S. Kushwaha, S. Ghosh, R. Maruthi and S. Thota"Magnetic Properties of Spin Ising Chain Manganocolumbite MnNb2O6 ", Progresses in Material Science Research (PMSR-2020), Dibrugarh University, Assam vol., no., pp.-, [2020]

• S. K. Jena, S. Ghosh, S. Kushwaha, S. Sharma, D. C. Joshi and S. Thota"High Temperature Magnetization Studies of Mixed Spinel Cu1-xZnxFe2O4", Progresses in Material Science Research (PMSR-2020), Dibrugarh University, Assam vol., no., pp.-, [2020]

• S. Ghosh, A. V. Singh, S. Sharma, T. Sarkar and S. Thota"Magnetic Exchange Bias and Spin-glass state in Cobaltorthoruthanate", Progresses in Material Science Research (PMSR-2020), Dibrugarh University, Assam vol., no., pp.-, [2020]

• S. Das, R. K. Dokala, S. Das, S. Ghosh andS. Thota"Electronic Structure Studies of [La0.7Sr0.3MnO3/LaAlO3]15 superlattices", Progresses in Material Science Research (PMSR-2020), Dibrugarh University, Assam vol., no., pp.-, [2020]

• R. K. Dokala, S.Das, S. Das, S. R. Ratha, R. Maruthi and S. Thota"Pulsed Laser Growth of [Pr1-xCaxMnO3/SrTiO3]15 superlattices", Progresses in Material Science Research (PMSR-2020), Dibrugarh University, Assam vol., no., pp.-, [2020]

• S. Kushwaha, S. K. Jena, A. V. Singh and S. Thota"Structural, Morphological and Elemental Analysis of Manganocolumbite", Progresses in Material Science Research (PMSR-2020), Dibrugarh University, Assam vol., no., pp.-, [2020]

• S. Mohapatra, S. K. Jena, A. Keelu, S. Singh, P. Pramanik, D. C. Joshi and S. Thota"Vibrational Raman Excitations and Broadband Dielectric Spectroscopy of Mg doped NiO", Research conclave, IIT Guwahati vol., no. , pp. , [2019 ( Mar. 14-17) ]

• S. K. Jena, S. Mohapatra, S. Singh, P. Pramanik, D.C. Joshi and S. Thota"Synthesis, Structural and Magnetic Properties of Ni1-xMgxO Nanostructures", Research conclave, IIT Guwahati vol., no. , pp. , [2019 ( Mar. 14-17) ]

• S. Singh, P. Pramanik, D. C. Joshi and S. Thota"Altered Antiferromagnetic State and Exchange Bias of Bulk Co3O4 Granular Matrix Dispersed in Nonmagnetic CeO2", Research conclave, IIT Guwahati vol., no. , pp., [2019 ( Mar. 14-17)]

• B. Yadav, S. Ghosh, M. Sehrawat, S. Singh, P. Pramanik, S.K. Jena, D.C. Joshi and S. Thota"Evidence for Field Induced Phase Transitions and Enhanced Long-range Ordering in Fe doped MnCo2O4", Research conclave, IIT Guwahati vol., no. , pp. , [2019 ( Mar. 14-17) ]

• M. Sehrawat, B. Yadav, S. Ghosh, S. Singh,P. Pramanik,S. K. Jena, D. C. Joshi and S. Thota"Crystal structure and Magnetic Properties of Germanium doped MnCo2O4", Research conclave, IIT Guwahati vol., no. , pp. , [2019 ( Mar. 14-17) ]

• S. Singh, P. Pramanik, S. K. Jena, B. Yadav, M. Sehrawat and S. Thota"Compositional dependence of Vibrational Excitations in Fe substituted MnCo2O4 Ferrimagnetic Spinels", UGC-SAP (DRS II) Sponsored Second National Conference on Hard and Soft Condensed Mateer Physics vol., no. , pp.P36-77, [2019]

• S. Ghosh, S. K. Jena, P. K. Mishra and S. Thota"First-Principles Density Functional Theory (DFT) Study of Ge Diluted Cobalt Orthotitanate", 2nd International Conference on Nanoscience and Nanotechnology (ICNAN 2019), VIT Vellore vol., no., pp.-, [2019]

• S. K. Jena, S. Meht1, A. K. Hota1, S. Ratha, Md. K. Warshi and S. Thota"Dipole relaxation behaviour and dynamical response of Zn substituted CuFe2O4 : Role of Polar Nanoregions", 2nd International Conference on Nanoscience and Nanotechnology (ICNAN 2019), VIT Vellore vol., no., pp.-, [2019]

• S. K. Jena, S. Singh, S. Ghosh, A. Keelu, P. Pramanik and S. Thota"Crystal Structural and Micro Raman Studies of Mg1-xNixO Solid Solutions", UGC-SAP (DRS II) Sponsored Second National Conference on Hard and Soft Condensed Mateer Physics vol., no. , pp.O19-40, [2019]

• S. Ghosh, S. K. Jena, D. C. Joshi, P. Pramanik, P. K. Mishra and S. Thota"Density Functional Theory Studies of Mg doped NiO", University of Delhi, India vol., no. , pp.OL70-197, [2018 (Dec.16-20)]

• P. Pramanik, D. C. Joshi, S. Ghosh, T. A. Dar, R. T. George and S. Thota"Vibrational Excitations in Ferrimagnetic Spinel MnCo2O4", National Workshop on Fluorescence and Raman Spectroscopy vol., no. , pp. , [2017]

• S. Biswas, D. C. Joshi, T. Nagendrababu, P. Pramanik, S. Ghosh, T. A. Dar and S. Thota"High Frequency Dielectric Studies of Sodium Doped Mott-Insulators", 5th International Conference on Advanced Nanomaterial and Nanotechnology (ICANN-2017) vol., no. , pp. , [2017]

• T. A. Dar, D. C. Joshi, R. T. George and S.Thota"High temperature Dielectric behavior of KNaNbO3 and CuO composites", 5th International Conference on Advanced Nanomaterial and Nanotechnology (ICANN-2017) vol., no. , pp. , [2017]

• S. Nayak, R. Soni, R.T. George, T.A. Dar, D. C. Joshi and S. Thota "On the Vibrational Excitations in Ferroelectric KNbO3 and Antiferromagnetic MgMnO3 Composites", 5th International Conference on Advanced Nanomaterial and Nanotechnology (ICANN-2017) vol., no. , pp. , [2017]

• S. Ghosh, S. Nayak, P. K. Mishra and S. Thota"Structural and Magnetic properties of Al doped Cobalt Orthotitanate", 5th International Conference on Advanced Nanomaterial and Nanotechnology (ICANN-2017) vol., no. , pp. , [2017]

• D. C. Joshi, P. Pramanik and S. Thota"The role of Na doping on the Antiferromagnetic ordering of NiO", International Conference on Advanced Functional Materials (ICAFM 2017) vol., no. , pp. , [2017]

• T. A. Dar, D. C. Joshi, S. Nayak, R. T. George, S. Ghosh and S. Thota"Structural and Micro-Raman studies of Ferroelectric KNaNbO3 and CuO composites", National Workshop on Fluorescence and Raman Spectroscopy vol., no. , pp. , [2017]

• P. Pramanik, D. C. Joshi and S. Thota "Ferrimagnetic behavior and Optical properties of MnCo2-pCupO4 ", Nanostructures National Conference on Nanomaterials and its Applications (NCNA-17) vol., no. , pp. , [2017]

• D. C. Joshi, P. Pramanik, T. Nagendrababu and S. Thota"Electronic structure and Dielectric studies of Na doped NiO", National Conference on Nanomaterials and its Applications (NCNA-17) vol., no. , pp. , [2017]

• R.Soni, R.George, D.C.Joshi, P.Pramanik, S.Nayak, S.Ghosh, S.Thota"Lead-free Ferroelectric KNbO3-NiO Two Phase Composite", Research Conclave,2017 vol., no. , pp. , [2017]

• R.George, D.C.Joshi, R.Soni, P.Pramanik, S.Nayak, S.Thota"Dielectric Behavior of lead-free Ferroelectric NaNbO3-NiO Two phase Composite", Research Conclave,2017 vol., no. , pp. , [2017]

• D. C. Joshi, S. Nayak, P. Pramanik, K. Dasari, R. Palai, Md. Qureshi and S. Thota"Compositional dependence of structural and X-ray photoelectron spectroscopic studies of Zn1-xNixO/NiO Two-Phase Composites", 2nd International Conference on Materials Science and Technology vol., no. , pp. , [2016]

• P. Pramanik, D. C. Joshi, S. Nayak, S Sambasivam, B. C. Choi, and S. Thota"X-ray Photoelectron Spectroscopy and Optical properties of MnCo2O4 Nanostructures", 2nd International Conference on Materials Science and Technology vol., no. , pp. , [2016]

• S. Nayak, D. C. Joshi, P. Pramanik, M. Krautz, A. Waske and S. Thota"Structural and Magnetic properties of Cu doped Cobalt Orthotitanate", 2nd International Conference on Materials Science and Technology vol., no. , pp. , [2016]

• D. C. Joshi, K. Dasari, S. Pittala, S. Nayak and S. Thota"The localized charge carrier transport properties of Zn1-xNixO/NiO (0.3 ≤ x ≤ 1) two-phase composites", 57th Electronic Materials Conference, The Ohio State University, Columbus vol., no. , pp. , [2015]

• D. C. Joshi, K. Dasari, S. Nayak, P. Pramanik, P. Suresh, S. Pittala, and S. Thota"Effect of ‘Na' Doping on the Structural, Dielectric and Electronic Characteristics of Wide Band-Gap NiO", 9th Workshop on Frontier in Electronics 2nd Workshop on Multifunctional Nanomaterials, San Juan, PR vol., no. , pp. , [2015]

• S. Nayak, D. C. Joshi and S. Thota"Micro-Raman and Electron Spin Resonance studies of Co3-xTixO4", 2nd International Conference on Nanotechnology ICNT-2015 & Indo-USA joint symposium vol., no. , pp. , [2015]

• S. Nayak, D. C. Joshi and S. Thota "Micro-Raman and Electron Spin Resonance studies of Co3-xTixO4", 2nd International Conference on Nanotechnology ICNT-2015 & Indo-USA joint symposium vol., no. , pp. , [2015]

• S. Thota , S. Nayak, A. Mallick, D. C. Joshi, S. Sambasivam and Md. Qureshi "On the growth mechanism and Electron Spin Resonance studies of cubic- phase ZrO2 nanostructures stabilized with Cu2+ ", 2nd International Conference on Nanotechnology ICNT-2015 & Indo-USA joint symposium vol., no. , pp. , [2015]

• Durgaharish Davapule, P Mahesh,T S kumar, D. Pamu and Subhas Thota "Broadband Dielectric Studies of Zn1-xNixO/NiO Ceramics for Varistor Device Applications", International conference on Nano Science and Technology (ICONSAT-2014), Chandigarh, India vol., no. , pp. , [2014]

• D. C. Joshi, D.D. Harish, D. Roy, S. Nayak, Md. Qureshi, R.L.N. Sai prasad, T. Shiyani, D. Pamu and S. Thota "Growth mechanism and Electron-Spin-Resonance studies of Zn1-xNixO/NiO two-phase nanocomposite ", 2nd IEEE International Conference on Emergin Electonics ICEE-2014 vol., no. , pp. , [2014]

• S. Thota ,K. Pisane, S. K. Singh, and M. S. Seehra "On the cubic phase stability and magnetic properties of Cu-doped ZrO2 ", Bulletin of American Physical Society, APS 3-7th March, 2014 meeting vol., no. , pp. , [2014]

• S. K. Singh, M. S. Seehra and S. Thota "Effect of Cu doping on the magnetism of MnCo2-xCuxO4 cubic spinels ", Bulletin of American Physical Society, APS 3-7th March, 2014 meeting vol., no. , pp. , [2014]

• S. Thota , A Ansari, S.K Singh, A. Mallick and J. Kumar"Phase evaluation and optical studies of cubic MnxZr1-xO2 and CoyZr1-yO2 nanocrystals", Proceeding Of International Conference On Recent Trends In Applied Physics And Material Science: Ram 2013. AIP Conference Proceedings vol.1536, no. , pp. 113-114 , [2013]

• S. Thota , A. Mallick and S.K. Singh"The role of surface effects on the optical behavior of nanocrystalline NiO", Proceeding of International Conference On Recent Trends In Applied Physics And Material Science: Ram 2013 vol.1536, no. , pp.521-522, [2013]

• S. Thota , A. Ansari, A. Mallick, S. K. Singh and J. Kumar"Phase evaluation and optical studies of ZrMnO2 and ZrCoO2 nanocrystallites", International conference on recent trends in applied physics and material science (RAM 2013), Bikaner, India vol., no. , pp. , [2013]

• T. Santhosh Kumar, R. K. Bhuyan, S. Thota , A. R. James and D. Pamu "Effect of annealing on the structural and optical properties of nanocrystalline MgTiO3 thin films", Proc International conference on Nano Science and Technology (ICONSAT), Hyderabad, India vol., no. , pp. , [2012]

• Subhash Thota , Kiran Singh, D. Pamu , Charls Simon and Wilfrid Prellier "Dielectric response of the complex spin ordering processes in Mn3O4", Proc International conference on Nano Science and Technology(ICONSAT), Hyderabad, India vol., no. , pp. , [2012]

• S. Thota , S. K. Das, A. Kumar, S. Sangaraju and B. C. Choi"Memory and Relaxation dynamics of MnCo2O4 nanocrystallites", IEEE International conference on Microwave Magnetics, Kaiserslautern, Germany vol., no. , pp. , [2012]

• M. S. Seehra, J. D. Rall, S. Thota and J. Kumar"Synthesis, structure, and magnetic analysis of the cubic defect spinel ZnMnO3", 56 International conference on Magnetism and Magnetic Materials (MMM), Scottsdale,Arizona, USA vol., no. , pp. , [2011]

• S. Thota , A. Kumar, T. Shiyani and J. Kumar"Influence of binary mixed phase manganese oxides (MnOn1 2nd International conference on Advanced Nanomaterials and Nanotechnology (ICANN-2011), Indian Institute of Technology Guwahati, India vol., no. , pp. , [2011]

• S. Thota and J. Kumar"Optical and magnetic studies of Zn1-2yNiyCoyO (y<0.05) degenerate semi-magnetic semiconductors", 56th DAE-Solid State Physics Symposium, SRM University, India vol., no. , pp. , [2011]

• Sobhit Singh, M. S. Seehra, P. Pramanik and S. Thota "Finite-Size effects in the Optical and Magnetic Properties of MnCo2O4 Nanostructures", American Physical Society vol., no. , pp. , [ March 13–17, 2017]

• A. Meher, A. Thakur, D.C. Joshi, P.Pramanik, S. Thota"Morphotropic Phase Boundary Engineering and Dielectric Excitations in NaNbO3-MgMnO3 Composites", Research Conclave-2017 vol., no. , pp. , [ 8-11 March 2017]

• A. Thakur, P.Pramanik, D. C Joshi, A. Meher, S. Thota"High Temperature Dielectric Behavior of Spin-1/2 Frustrated Kagome Magnet Co3V2O8", Research Conclave-2017 vol., no. , pp. , [ 8-11 March 2017 ]

• S. Thota, K. Dasari, S. Nayak, D. C. Joshi, P. Pramanik, A. Waske and T. Sarkar"Low-Temperature anomalous magnetic behavior of TiCo2O4", 5th IEEE International Conference on Microwave Magnetics vol., no. , pp. , [ 5-8 June, 2016]

• D. C. Joshi, S. Nayak, P. Pramanik, R. George, R. Soni, K. Dasari and S. Thota"X-ray Photoelectron Spectroscopic Studies of Na Doped NiO", National Seminar on Advances In Material Science vol., no. , pp. , [ 24-25, March , 2017]

• S.Nayak, J. Dhillon, S. K. Deshpande, D.C. Joshi, P. Pramanik , R. George, and S. Thota"Dynamic ac-Conductivity Studies of Cobalt-Orthotitanate ", National Seminar on Advances In Material Science vol., no. , pp. , [ 24-25, March , 2017]

• P. Pramanik, S. Ghosh, D. C. Joshi, S. Nayak, and S. Thota "Structural, Magnetic, Micro-Raman and Electron Spin Resonance Studies of MnCo2O4Bulk and Nanostructures ", National Seminar on Advances In Material Science vol., no. , pp. , [ 24-25, March , 2017]

• R. George, R. Soni, D. C. Joshi, S. Nayak, P. Pramanik, S.Ghosh, and S. Thota"Thermal Hysteresis in NaNbO3-NiO Two-Phase Composites ", National Seminar on Advances In Material Science vol., no. , pp. , [ 24-25, March , 2017]

• R. Soni, D. C. Joshi, S. Nayak, P. Pramanik, R. George, S.Ghosh and S. Thota "On the nature of diffused first-order phase transition in NaNbO3-MnO2 two-phase composites ", National Seminar on Advances In Material Science vol., no. , pp. , [ 24-25, March , 2017 ]

• S. Biswas, D. C. Joshi, S. Ghosh, S. Thota, P. Mishra "Molecular dynamic simulation studies of thermal diffusion of lithium and lithium based alloys", MRSI symposium on Advances in Functional and Exotic Materials AFEM 2018 vol.2, no.40, pp.28, [ 14-16 Feb 2018]

• T.A. Dar, D.C. Joshi, S. Nayak, R.T. George, S. Ghosh , S. Thota"High frequency ac-electrical transport studies of ferroelectric KNaNbO3 and CuO composites", International Conference on Systems and Processes in Physics, Chemistry and Biology (ICSPPCB- 2018) vol., no. , pp. , [ 1-3 March, 2018]

• R.T. George, T.A. Dar, D.C. Joshi, S. Nayak, S. Thota"Structural and ac-electrical transport of Anti-ferroelectric NaNbO3 and NiO composites", International Conference on Systems and Processes in Physics, Chemistry and Biology (ICSPPCB- 2018) vol., no. , pp. , [ 1-3 March, 2018 ]

• S. Ghosh, S. Singh, P.K. Mishra, S. Thota"Density Functional Theory Studies of Co-based Spinels", International Conference on Systems and Processes in Physics, Chemistry and Biology (ICSPPCB- 2018) vol., no. , pp. , [ 1-3 March, 2018 ]

• R. George, R.Soni, D.C. Joshi, P.Pramanik, S.Nayak, S.Pittala and S. Thota"A dynamical study of lead-free KNaNbO3-MnO2", International Conference on Nanomaterials and Nanotechnology vol., no. , pp. , [ 01 - 03 March, 2017]

• R.Soni, R. George, D.C. Joshi, P. Pramanik, S. Nayak and S. Thota"Mott Variable-Range Hopping Conduction Mechanism in Ferroelectric KNbO3-NiO", International Conference on Nanomaterials and Nanotechnology vol., no. , pp. , [ 01 - 03 March, 2017 ]

• P. Pramanik, S. K. Singh, R. Soni, D. C. Joshi, S. Nayak and S. Thota"Quantum-size effects in MnCo2O4 Nanocrystals", International Conference on Nanomaterials and Nanotechnology vol., no. , pp. , [ 01 - 03 March, 2017 ]

• S. Nayak, D. C. Joshi, P. Pramanik and S. Thota"Synthesis and Characterization of MgCo2O4 Nanorods for Fuel Cell Applications", International Conference on Nanomaterials and Nanotechnology vol., no. , pp. , [ 01 - 03 March, 2017 ]

Text book/Book chapters

• Subhash Thota and Sobhit Singh"Chapter 4: Nature of Magnetic Ordering in Cobalt-Based Spinels, of Magnetic Spinels – Synthesis, Properties and Applications", InTech vol., no. , pp. , [ March 2017]