Dr. Ajay Singh Verma

@geu.ac.in

Professor Department of Physics
Graphic Era deemed to be University Dehradun

Dr. Ajay Singh Verma


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https://researchid.co/asverma

EDUCATION

Ph. D., DSKPDF, MIETI FISCA

RESEARCH, TEACHING, or OTHER INTERESTS

Physics and Astronomy, Energy, Condensed Matter Physics, Materials Science
237

Scopus Publications

6258

Scholar Citations

48

Scholar h-index

131

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • First-principles calculations to investigate structural, elastic, electronic, thermodynamic and optical properties of lead free calcium-strontium nitride based antiperovskites
    D Prakash, KD Verma, N Pandit, VK Saraswat, AS Verma
    Next Materials 12, 102297 , 2026
    2026
  • Investigation of structural, electronic, optical, thermoelectric, and stability properties of Na 2 AgInX 6 (X = F, Cl, Br and I) halide double perovskites
    A Kumari, D Prakash, KD Verma, P Dhariwal, PK Kamlesh, AS Verma
    Journal of Molecular Modeling 32 (6), 199 , 2026
    2026
  • Organometallic Halide Perovskites: Futuristic Materials for a More Efficient and Sustainable Electronic World
    PK Kamlesh, S Sharma, SK Bhardwaj, AS Verma
    Hybrid Perovskites: Synthesis, Properties, and Applications, 87-140 , 2026
    2026
  • Impact of Strain on Thermoelectric Behavior of Y2GeX2 (X= Cl, Br, I) Two Dimensional Materials: A Structural Engineering Perspective
    N Mehak, B Rani, SA Khandy, A Saini, AS Verma, S Dhiman, K Kaur
    Computational Condensed Matter, e01255 , 2026
    2026
  • Ab initio modelling of optoelectronic and thermoelectric properties of Ca2AlXO6 (X= V, Nb and Ta) inorganic oxide double perovskites for clean energy applications
    S Kumawat, B Choudhary, V Sen, MS Chauhan, TK Joshi, AS Verma, ...
    Physica B: Condensed Matter, 418391 , 2026
    2026
  • Synergistic effect of the electronic band delocalization and bond anharmonicity on the thermoelectric performance of Cs2TeX6 (X= Cl, Br, I)
    KC Bhamu, H Khan, VK Pandey, S Marethiya, A Dixit, AS Verma
    Available at SSRN 6194457 , 2026
    2026
  • Synergistic effect of the electronic band delocalization and bond anharmonicity on the thermoelectric performance of Cs2TeX6 (X= Cl, Br, I)
    VK Pandey, S Marethiya, A Dixit, AS Verma, KC Bhamu
    arXiv preprint arXiv:2602.00562 , 2026
    2026
  • Unlocking high-performance capacitive energy storage: advances in polymer nanocomposite dielectrics
    T Kumar, R Singhal, R Kumar, A Verma, P Jasrotia, A Kumar, R Gupta, ...
    RSC Applied Polymers 4 (2), 502-523 , 2026
    2026
    Citations: 1
  • Ab initio study of mechanical and functional properties of novel CaZnC and CaZnSi half-Heusler materials
    PK Kamlesh, UK Gupta, S Verma, M Rani, Y Toual, AS Verma
    arXiv preprint arXiv:2512.15822 , 2025
    2025
    Citations: 5
  • Advancements in Antiperovskite Structured Solids: A Comprehensive Review
    S Kumar, SK Pathak, D Sharma, PK Kamlesh, AS Verma
    East European Journal of Physics, 4-13 , 2025
    2025
    Citations: 2
  • Advances in nanostructured energy harvesting and energy storage for portable electronic devices
    R Gupta, A Kumar, A Biswas, AS Verma, T Kumar
    Polymer Bulletin 82 (16), 10721-10761 , 2025
    2025
    Citations: 4
  • Emerging potential chalcogenide perovskites BaHfX3 (X= S, Se) for energy conversion devices: Photovoltaic applications
    N Pandit, R Singh, MS Chauhan, TK Joshi, A Dubey, K Kaur, R Gupta, ...
    Computational and Theoretical Chemistry, 115556 , 2025
    2025
    Citations: 1
  • Computational investigation of X3BiN (X= Mg, Ca, Sr) anti-perovskites: Highly Efficient Thermo-electric Materials in Focus
    D Prakash, KD Verma, N Pandit, T Kumar, AS Verma
    Computational Condensed Matter, e01144 , 2025
    2025
    Citations: 1
  • First-Principles Investigation of Semiconducting Cu2ZnSnX4 (X= S, Se) Eco-Friendly Materials for the Next Generation of Photovoltaic Applications
    B Prakash, A Singh, TK Joshi, BL Choudhary, N Pandit, AS Verma
    East European Journal of Physics, 259-272 , 2025
    2025
    Citations: 1
  • Insights into structural stability and thermal energy conversion into electrical properties of Mg 3 X 2 (X = P, As, and Sb) compounds: A first-principles study
    MC Rolania, PK Kamlesh, P Kumar, G Sharma, AS Verma
    Modern Physics Letters B 39 (22), 2550081 , 2025
    2025
    Citations: 22
  • Investigation of Structural, Electronic and Optical Properties of EASnBr3 Based Perovskites
    AS Verma
    Proceedings of the 1st International Conference on Materials and … , 2025
    2025
  • Computational investigation of CaZnGe and CaZnSn half-heusler compounds: Potential candidates for thermoelectric devices
    S Srivastava, U Rani, M Rani, Y Toual, A Dubey, N Pandit, AS Verma, ...
    Next Materials 8, 100724 , 2025
    2025
    Citations: 20
  • The integration of microelectronic and photonic circuits on a single silicon chip for high-speed and low-power optoelectronic technology
    R Gupta, A Kumar, M Kumar, R Singh, A Gehlot, PS Pandey, N Yadav, ...
    Nano Materials Science 7 (3), 305-315 , 2025
    2025
    Citations: 29
  • DFT Insights Into the Structural, Stability, Elastic, and Optoelectronic Characteristics of Na 2 LiZF 6 (Z = Ir and Rh) Double Perovskites for Sustainable Energy
    A Es‐Smairi, S Al‐Qaisi, N Sfina, A Boutramine, HR Jappor, HS Alzahrani, ...
    Journal of Computational Chemistry 46 (8), e70097 , 2025
    2025
    Citations: 73
  • Effect of anion (S & Se ) replacement on photovoltaic properties in transition metal (Ba-Barium) chalcogenide perovskites
    N Pandit, A Dubey, TK Joshi, A Shukla, U Rani, PK Kamlesh, R Gupta, ...
    International Journal of Modern Physics B 39 (08), 2550059 , 2025
    2025
    Citations: 40

MOST CITED SCHOLAR PUBLICATIONS

  • Review on E-waste management and its impact on the environment and society
    M Jain, D Kumar, J Chaudhary, S Kumar, S Sharma, AS Verma
    Waste Management Bulletin 1 (3), 34-44 , 2023
    2023
    Citations: 251
  • Lattice constant of cubic perovskites
    AS Verma, VK Jindal
    Journal of alloys and compounds 485 (1-2), 514-518 , 2009
    2009
    Citations: 228
  • A review of composite conducting polymer-based sensors for detection of industrial waste gases
    A Verma, R Gupta, AS Verma, T Kumar
    Sensors and actuators reports 5, 100143 , 2023
    2023
    Citations: 153
  • Bulk modulus of cubic perovskites
    AS Verma, A Kumar
    Journal of alloys and compounds 541, 210-214 , 2012
    2012
    Citations: 149
  • Progress in theoretical study of lead-free halide double perovskite Na 2 AgSbX 6 (X = F, Cl, Br, and I) thermoelectric materials
    S Kumari, PK Kamlesh, L Kumari, S Kumar, S Kumari, R Singh, R Gupta, ...
    Journal of Molecular Modeling 29 (6), 195 , 2023
    2023
    Citations: 130
  • Prediction of formability in perovskite-type oxides
    A Kumar, AS Verma, SR Bhardwaj
    Open Applied Physics Journal 1, 11-19 , 2008
    2008
    Citations: 110
  • Investigation of inherent properties of XScZ (X= Li, Na, K; Z= C, Si, Ge) half-Heusler compounds: appropriate for photovoltaic and thermoelectric applications
    PK Kamlesh, R Gautam, S Kumari, AS Verma
    Physica B: Condensed Matter 615, 412536 , 2021
    2021
    Citations: 108
  • Optoelectronic and thermoelectric properties of new lead-free K 2 NaSbZ 6 (Z = Br, I) halide double-perovskites for clean energy applications: a DFT study
    A Boutramine, S Al-Qaisi, S Samah, N Iram, TA Alrebdi, S Bouzgarrou, ...
    Optical and Quantum Electronics 56 (3), 417 , 2024
    2024
    Citations: 98
  • Correlation between ionic charge and the lattice constant of cubic perovskite solids
    AS Verma, A Kumar, SR Bhardwaj
    physica status solidi (b) 245 (8), 1520-1526 , 2008
    2008
    Citations: 88
  • Study of mechanical, optical, and thermoelectric characteristics of Ba 2 XMoO 6 (X = Zn, Cd) double perovskite for energy harvesting
    S Al‐Qaisi, H Rached, TA Alrebdi, S Bouzgarrou, D Behera, ...
    Journal of Computational Chemistry 44 (32), 2442-2452 , 2023
    2023
    Citations: 87
  • Emerging Study on Lead‐Free Hybrid Double Perovskite (CH 3 NH 3 ) 2 AgInBr 6 : Potential Material for Energy Conversion between Heat and Electricity
    U Rani, PK Kamlesh, R Agrawal, A Shukla, A Singh Verma
    Energy Technology 10 (9), 2200002 , 2022
    2022
    Citations: 87
  • DFT Analysis of Ba 2 NbRhO 6 : A Promising Double Perovskite for Sustainable Energy Applications
    S Belhachi, S Al-Qaisi, S Samah, H Rached, A Zaman, TA Alrebdi, ...
    Journal of Inorganic and Organometallic Polymers and Materials 35 (2), 978-993 , 2025
    2025
    Citations: 81
  • A theoretical study of H2S adsorption on graphene doped with B, Al and Ga
    S Sharma, AS Verma
    Physica B: Condensed Matter 427, 12-16 , 2013
    2013
    Citations: 81
  • Exploring properties of organometallic double perovskite (CH 3 NH 3 ) 2 AgInCl 6 : A novel material for energy conversion devices
    U Rani, PK Kamlesh, R Singh, T Kumar, R Gupta, S Al-Qaisi, K Kaur, ...
    Modern Physics Letters B 38 (18), 2450144 , 2024
    2024
    Citations: 75
  • Ab initio studies of structural, electronic, optical, elastic and thermal properties of silver gallium dichalcogenides (AgGaX2: X= S, Se, Te)
    S Sharma, AS Verma, VK Jindal
    Materials Research Bulletin 53, 218-233 , 2014
    2014
    Citations: 75
  • Ab-Initio Calculations of Structural, Optoelectronic, Thermoelectric, and Thermodynamic Properties of Mixed-Halide Perovskites RbPbBr 3−x I x (x = 0 to 3 …
    M Rani, PK Kamlesh, S Kumawat, Anuradha, U Rani, G Arora, AS Verma
    ECS Journal of Solid State Science and Technology 12 (8), 083006 , 2023
    2023
    Citations: 74
  • DFT Insights Into the Structural, Stability, Elastic, and Optoelectronic Characteristics of Na 2 LiZF 6 (Z = Ir and Rh) Double Perovskites for Sustainable Energy
    A Es‐Smairi, S Al‐Qaisi, N Sfina, A Boutramine, HR Jappor, HS Alzahrani, ...
    Journal of Computational Chemistry 46 (8), e70097 , 2025
    2025
    Citations: 73
  • A comprehensive first-principles study on the physical properties of Sr 2 ScBiO 6 for low-cost energy technologies
    S Al-Qaisi, H Rached, MA Ali, Z Abbas, TA Alrebdi, KI Hussein, M Khuili, ...
    Optical and Quantum Electronics 55 (11), 1015 , 2023
    2023
    Citations: 73
  • Rare earth-based oxides double perovskites A2NiMnO6 (A= La and Gd): applications in magneto-caloric, photo-catalytic and thermoelectric devices
    M Rani, PK Kamlesh, S Kumawat, U Rani, G Arora, AS Verma
    Physica B: Condensed Matter 680, 415645 , 2024
    2024
    Citations: 72
  • Highly efficient and stable Ra2LaNbO6 double perovskite for energy conversion device applications
    JK Bairwa, PK Kamlesh, U Rani, R Singh, R Gupta, S Kumari, T Kumar, ...
    Materials Science for Energy Technologies 7, 61 , 2024
    2024
    Citations: 72