faculty-profile

Dr. Saswata Halder

info

Assistant Professor

Department of Basic Sciences

University of Calcutta

4 years 4 months

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Reading, Sports, Art, Travel

Strongly correlated and topologically non-trivial systems, Functional oxides, Magnetism and Transport, Electronic Structure and Photoemission Spectroscopy

Mail: saswata.halder@sru.edu.in

Educational
Qualifications
(From Highest)

2019

Ph.D Physics, University of Calcutta

2011

M.Sc. (Physics), University of Calcutta

2009

B.Sc. (Physics), University of Calcutta

Professional
Experience

2026

Assistant Professor (Physics) at , from 2026-02-27 to .

2023

Postdoctoral Visiting Fellow at Tata Institute of Fundamental Research, Mumbai, from 2023-01-09 to 2026-01-08.

2019

Postdoctoral Fellow at Hebrew University of Jerusalem, Israel, from 2019-06-01 to 2020-09-30.

Key Publications

S. Halder, B. Ghosh, T. P. Sinha, “Scaling of the Electrical Conductivity Spectra Reveals Distinct Transport Responses in A2SmTaO6 [A = Ba, Sr, Ca]”, arXiv: 2508.21621 (2025).

S. Gohil, S. Halder, K.K. Iyer, S. Ghosh, A. Thamizhavel, K. Maiti, “Unusual magnetic order, field induced melting and role of spin-lattice coupling in 2D Van der Waals materials: a case study of CrSiTe3”, Physical Review B (Letters), 111, 2025, L100407.

S. Halder, K. Maiti, “The magnetic ground state of a non-symmorphic square-net lattice, TbAgSb2”, arXiv: 2410.02455 (2024).

S. Halder, R. A. Kumar, R. A. Maiti, T. P. Sinha, “A tailored direct-to-indirect band structure transition in double perovskite oxides influences its photocatalytic efficiency”, Ceramics International, 49 (5), 2023, 8634.

T. K. Bhowmik, S. Halder, T. P. Sinha, “Tailoring the magnetic transport in Al-doped LaMnO3: An experimental and computational perspective”, Physica Scripta, 98, 2023, 025806.

H. S. Tripathi, R. Karmakar, T. K. Bhowmik, S. Halder, A. Dutta, T. P. Sinha, “RCoO3 (R = Pr, Nd, Sm) electrode-based for efficient solid-state symmetric supercapacitor”, Solid State Sciences, 134, 2022, 107065.

S. Halder, A. Kessel, N. Mazurski, U. Levy, “Thermal Transport in Engineered Hybrid Organic-Inorganic Perovskite Metasurfaces”, Journal of Physical Chemistry C, 125, 2021, 15134.

R. Maity, A. Dutta, S. Halder, S. Shannigrahi, K. Mandal, T. P. Sinha, “Enhanced photocatalytic activity, transport properties and electronic structure of Mn-doped GdFeO3 synthesized by Sol?Gel Process”, Physical Chemistry Chemical Physics, 23, 2021, 16060.

S. Halder, T. K. Bhowmik, A. Dutta, T. P. Sinha, “The Photophysical Anisotropy and Electronic Structure of new narrow bandgap perovskites Ln2AlMnO6 (Ln = La, Pr, Nd): An experimental and DFT perspective”, Ceramics International, 46, 2020, 21021.

S. Halder, R. A. Kumar, A. Dutta, T. P. Sinha, “Exploring the time-temperature superposition in Ba2HoSb1-xRuxO6: A composition-dependent investigation”, Journal of Physics and Chemistry of Solids, 138, 2020, 109265.

S. Halder, T. P. Sinha, “Phase transitions in Ca2-xBaxNdSbO6 complex perovskites: a combined crystallographic and vibrational investigation”, CrystEngComm, 21, 2019, 3489.

S. Halder, Md. S. Sheikh, R. Maity, B. Ghosh, T. P. Sinha, “Investigating the optical, photosensitivity and photocatalytic properties of double perovskites A2LuTaO6 (A = Ba, Sr): A combined experimental and density functional theory study”, Ceramics International, 45, 2019, 15496.

S. Halder, A. Dutta, T. P. Sinha, “Dielectric relaxation and electrical conduction mechanism in A2HoSbO6 (A=Ba, Sr, Ca) Double Perovskite Ceramics: An impedance spectroscopic analysis”, Journal of Physics and Chemistry of Solids, 102, 2017, 79.

B. Ghosh, S. Halder, T. P. Sinha, “X-ray photoelectron spectroscopic study and electronic structure of double-perovskites A2SmTaO6 (A = Ba, Sr, Ca),” Solid State Sciences, 67, 2017, 114.

S. Halder, Md. S. Sheikh, B. Ghosh and T. P. Sinha, “Electronic structure and electrical conduction by polaron hopping mechanism in A2LuTaO6 (A= Ba, Sr, Ca) double perovskite oxides”, Ceramics International, 43, 2017, 11097.

S. Halder, Md. S. Sheikh, B. Ghosh, T. P. Sinha, Octahedral distortion induced phonon vibration and electrical conduction in A2NdSbO6 (A = Ba, Sr, Ca), Materials Chemistry and Physics, 199, 2017, 508.

S. Halder, A. Dutta, T. P. Sinha, “Time-temperature superposition in the grain and grain boundary response regime of A2HoRuO6 (A = Ba, Sr, Ca) double perovskite ceramics: a conductivity spectroscopic analysis”, RSC Advances, 7, 2017, 43812.

S. Halder, R. Mukherjee, A. Dutta, T. P. Sinha, “Exploring the electronic structure and optical properties of double perovskite Ba2RESbO6 (RE = Ho, Er) from first-principles calculations”, Ferroelectrics, 518, 2017, 163.

B. Ghosh, S. Halder, S. Das, T.P. Sinha, “Understanding the photoluminescence characteristics of Eu3+-doped double-perovskite by electronic structure calculation”, AIP Conference Proceedings, 1731 (1), 2016, 090018.

A. Dutta, S. Halder, T.P. Sinha, “Electronic Structure and Magnetic Properties of Ba2LnMoO6 (Ln= Nd, Gd and Y)”, Advanced Science Letters, 21 (9), 2015, 2911.

B. Ghosh, S. Halder, T. P. Sinha, “Dielectric Relaxation and Collective Vibrational Modes of Double-Perovskites A2SmTaO6 (A = Ba, Sr, Ca)”, Journal of the American Ceramic Society, 97, 2014, 2564.

Awards and Honors / Achievements

Project

Best Poster Award, at 34th AGM of MRSI and 5th Indian Materials Conclave, IIT BHU Varanasi, December 2023

Project

Outstanding Reviewer Award, Institute of Physics (IOP), 2023.

Project

Best Poster Award, at International Workshop on Materials and Devices for Post-CMOS Computing, co-organized by INST Mohali and University of Cambridge, INST Mohali, October 2024.

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