Department of Physics, Nabinchandra College
Assistant Professor | Department of Physics
M.Sc. in Physics
Assam University, Silchar, Assam, India (2017)
Specialization: Condensed Matter Physics
Research Area: DFT, Opto-electronic Properties of Semiconductors and Topological Insulators
Ahmed, B., & Sharma, B. I. (2025). Surface State Electronic Characteristics and Z2 Topological Invariant of Bi2Te3 Topological Insulator Through PBE and LmBJ Potential. Brazilian Journal of Physics, 55(6), 280.
Ahmed, B., Sharma, B. I., Baruah, B., Panda, S., & Roy, A. (2024). A comparative spin orbit coupling DFT study of opto-electronic properties of Bi2Se3 and Bi2Te3 bulk crystal. Computational Condensed Matter, 40, e00951.
Ahmed, B., & Sharma, B. I. (2022). First-principles calculations of elastic and optical properties of aluminum nitride (AlN) in cubic and hexagonal phase. Kuwait Journal of Science, 49(1).
Ahmed, B., & Sharma, B. I. (2021). Structural and electronic properties of AlN in rocksalt, zinc blende and wurtzite phase: a DFT study. Dig. J. Nanomater. Biostructures, 16(1), 125-133.
Ahmed, B., & Sharma, B. I. (2025). Impact of Arsenic (As) substitution on the structural and electronic properties of Bi2Te3 through PBE and LmBJ potential. (Communicated on in the journal of electronic materials).
Ahmed, B., Devi, S. R., & Sharma, B. I. (2024). DFT study with van der Waals interactions of surface state electronic properties of As-doped Bi2Se3 topological insulator. Interactions, 246(1), 8.
Devi, S. R., Ahmed, B., & Sharma, B. I. (2024). Density functional study of structural and optoelectronic properties of SnTe: rocksalt and orthorhombic phases. Interactions, 245(1), 364.
Ahmed, B., Devi, S. R., & Sharma, B.I. (2025). Understanding Topological Insulator From Electronic Structure and Invariant Through ab-initio Approach Taking as an Example. Accepted for publication in Emerging Trends In Scientific Research (Akinik Publisher).
Ahmed, B., Devi, S. R., & Sharma, B. I. (2024). DFT study with van der Waals interactions of surface state electronic properties of As-doped Bi2Se3 topological insulator. 4th International Conference on Material Science, organized by Department of Physics, Tripura University, India, held during 31st-2nd March 2024.
Ahmed, B., & Sharma, B. I. (2023). Ab-initio study of Elastic, Optical properties and Debye temperature calculation of Bi2Se3 and Bi2Te3 bulk topological insulator. International Conference on System and Process in Physics, Chemistry, and Biology, organized by the Department of Physics, Assam University, Silchar, India, held during 2nd-4th March, 2023 (Poster Presentation).
Ahmed, B., & Sharma, B. I. (2022). Bulk Versus Surface State Structural And Electronic Properties Of Bi2Se3 and Bi2Te3 Topological Materials. 30th National Conference on Condensed Matter Physics, (Condensed Matter Days-2022), organized by the Department of Science and Humanities, National Institute of Technology, Nagaland, India, held during 14th-16th December, 2022 (Oral Presentation).
Ahmed, B. Sharma, B.I. (2020). Physical properties and Electronic structure studies of Aluminium Nitride and its alloys doped with Boron atom. 3rd International Conference on Material Science, organized by Department of Physics, Tripura University, India, during 4th to 6th march, 2020 (Oral Presentation).
International Webinar on Advancements in Condensed Matter Physics (ACMP 2020), organized by Dept. of Physics, Assam University, Silchar on 7-8th August 2020.
International Webinar on Recent Trends in Condensed Matter Physics & Applications – 2020, organized by Dept. of Physics in collaboration with IQAC, Kulti College, on 22nd August 2020.
International Webinar on Nanoscience and Nanomaterials, organized by Dept. of Physics, Assam University, Silchar on 16-17th November 2020.
Voyage through space and time: study of elementary events at small scales, a Distinguished Lecture, organized by Dept. of Physics, Tripura University on 22nd December 2020.
State Topper in National Graduate of Physics, 2015