faculty-profile

Dr. Vishnu Saraswat

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Assistant Professor

Electronics and Communication Engineering

Banaras Hindu University

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Non-volatile Advanced memory, Optical Fibre drawing, Radiation Shielding, Thermoelectric Material

Experimental Solid State Physics; Non-Crystalline Solids (Amorphous Semiconductors, Glasses and Glass-Ceramics); Advanced Phase-Change 2D Materials for Non-Volatile Memory Applications; Theoretical and Experimental Studies on High-Energy Radiation Shielding using Chalcogenide Alloys

Educational
Qualifications
(From Highest)

2025

Ph.D in Physics from Banaras Hindu University, Varanasi, Uttar Pradesh

2019

M.Sc. in Physics (Specialization: Electronics, Integrated Electronics, Integrated circuit and Electronics Communication System) from D. S. College Aligarh, Uttar Pradesh

2016

B.Sc. (Physics, Chemistry, Mathematics) from Dr Bhimrao Ambedkar University, Agra, Uttar Pradesh

Professional
Experience

2026

Assistant Professor at SR University, Warangal, from 2026-02-16 to .

Key Publications

Vishnu Saraswat et al. “Thermal analysis of novel third-generation phase-change materials with zinc as a chemical modifier” RSC Advances, 13 (2023) 3602-3611. DOI: 10.1039/D2RA07041C

Vishnu Saraswat et al, Comprehensive studies of dielectric behavior, resistive switching, and a.c. Conduction in zinc-containing quaternary glasses of Se-Te-Sn Journal of Non-crystalline Solids, 617 (2023) 122487. https://doi.org/10.1016/j.jnoncrysol.2023.122487

Vishnu Saraswat, et al. “Impact of Ag, Bi, Cd, and Zn incorporation on the kinetic parameters of glass transition/crystallization in chalcogens Se- and Te-rich ternary glass” Journal of Thermal Analysis and Calorimetry, 149 (2024) 2109-2118. https://doi.org/10.1007/s10973-023-12812-y

Vishnu Saraswat, et. al “High-energy radiation shielding characteristics of SeTeSnAg chalcogenide glasses (STSA ChGs)” Optical Materials 148, (2024) 114886. https://doi.org/10.1016/j.optmat.2024.114886

Vishnu Saraswat, et al. “High-energy radiation shielding characteristics of SeTeSnM (M = Ag, Bi, Cd, Zn) chalcogenide glasses (STSM ChGs)” Ceramic International 50, (2024) 12376-12388. https://doi.org/10.1016/j.ceramint.2024.01.142

Vishnu Saraswat, et al., “Analysis of high-energy radiation shielding features of SeTeSn glass after incorporation of bismuth” Materials Today Communications, 39 (2024) 108995. https://doi.org/10.1016/j.mtcomm.2024.108995

Vishnu Saraswat, et al. “The shielding properties of high-energy radiation in SeTeSnZn chalcogenide glasses (STSZ ChGs)” Progress in Nuclear Energy, 173 (2024) 105224 https://doi.org/10.1016/j.pnucene.2024.105224

Anil Kumar, Vishnu Saraswat, A. Dahshan, H. I. Elsaeedy, and Neeraj Mehta “Exploring dielectric and AC conduction characteristics in elemental selenium glass modified with silver halides” RSC Advances, 14(29) (2024) 20933-20950. DOI: 10.1039/D4RA02999B

Nisha Kumari, Vishnu Saraswat, A. Dahshan, and Neeraj Mehta “Tailoring of Dielectric Behavior and AC Conduction in Binary Se80te20 Glass Using Low Concentrations of Transition Metals (Fe, Co, Ni, Cu)” Journal of Materials Science: Materials in Electronics, 35 (2024) 1-23 https://doi.org/10.1007/s10854-024-13801-z

Vishnu Saraswat and Neeraj Mehta, “Unraveling the influence of some foreign elements on microhardness and thermomechanical characteristics of SeTeSn alloy” The European Physical Journal Plus, 139 (2024) 1044. https://doi.org/10.1140/epjp/s13360-024-05857-x

Nisha Kumari, Vishnu Saraswat, A. Dahshan, Neeraj Mehta “Tuning resistive switching behaviour and conduction mechanism in Se80Te20 alloy with Fe, Co, Ni, and Cu additives.” Physica Scripta, 100 (2025) 025535. DOI 10.1088/1402-4896/adab3c

Vishnu Saraswat et al., “Impact of Metal Doped (Ag, Bi, Cd, Zn) on the Structural and Optical Properties of SeTeSn Thin Films Fabricated via Thermal Evaporation” Journal of Alloys and Compounds, 1017 (2025) 178933. https://doi.org/10.1016/j.jallcom.2025.178933

K. K. Saraswat, Vishnu Saraswat, and Neeraj Mehta. “Thermal analysis of the glass/crystal kinematics in the quaternary SeTeSnIn (STSI) glass-ceramics” Journal of Thermal Analysis and Calorimetry, 150 (2025) 9871 9885 https://doi.org/10.1007/s10973-025-14379-2

K. K. Sarswat, Vishnu Saraswat, A. Dahshan, Neeraj Mehta. “Exploring dielectric and conductive behaviour in Indium-doped Se78?xTe20Sn2Inx ” The European Physical Journal Plus, 140 (2025) 201. https://doi.org/10.1140/epjp/s13360-025-06150-1

Vishnu Saraswat et al., “Zinc-Induced Bandgap Modulation and Nonlinear Optical Response in SeTeSn Thin Films.” Ceramic International 51 (2025) 38226-38246. https://doi.org/10.1016/j.ceramint.2025.06.058

Nisha Kumari, Vishnu Saraswat, et al., “Assessment of gamma and neutron shielding features of Se 80-y Te 20 M y (M = Fe, Co, Ni, Cu, y = 0 and 2) alloys for radiation safety applications” Scientific Reports- Nature Dec 2025 https://doi.org/10.1038/s41598-025-34075-3

Awards and Honors / Achievements

Project

JRF AWARD LETTER

Project

NET Certificate 2022

Project

NET Certificate 2020

Project

GATE Scorecard

Project

JEST Exam Score

Project

Best Presentation Award at NSRS 2025 in IIT Kanpur

Project

Certificate of Reviewing

Project

Developed a high-performance radiation shielding material with optimized thickness for enhanced shielding efficiency, eliminating the need for ultra-thin designs while ensuring mechanical stability and practical applicability.

Project

Developed an ultra-thin (<2 mm) high-performance radiation shielding material with enhanced attenuation efficiency using advanced composite engineering for lightweight medical and industrial radiation protection applications.

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