- Ph.D., 2020, Indian Institute of Technology Delhi
- M.Tech., 2009, Indian Institute of Technology Roorkee
- B.Sc., 2004, C.C.S. University Campus, Delhi
- Worked at as an Assistant Professor in Department of Physics, ARSD College (University of Delhi) during 2009-2011
- Currently working at as an Associate Professor in Department of Physics, Bhaskaracharya College of Applied Sciences (University of Delhi) since 2011
- Qualified CSIR-JRF (2007), Achieved AIR-70 in GATE (2007), Qualified JEST (2007) with 93.3 percentile
- Best Presentation Award, 6th International symposium on Integrated Functionalities (ISIF-2017),
- Best Presentation Award, Advances in Physics, Department of Physics, IIT Delhi (2017, 2018)
- Actively Participated in Sports Activities at College Level
- Effect of Cu doping on ZnO/ZnS composite thin film for visible light photodetection, Sandeep Kumar, J Mater Sci: Mater Electron, 2025, 1573-482X
- Core-shell structured BFO/CFO nanocomposites for efficient microwave absorption, Sandeep Kumar, Materials Letters, 2025, 1873-4979
- Synthesis of core-shell NiO/BFO nanocomposites for microwave absorbing applications, Ceramics International, Sandeep Kumar, 2024, 0272-8842
- Microwave absorbing properties of the core–shell structured LaFeO3-NiO nanocomposites, Journal of Magnetism and Magnetic Materials, Sandeep Kumar, 2023, 0304-8853
- Influence of varying particle sizes on microwave absorbing properties of U-type hexaferrites and development of broadband microwave absorber, Sandeep Kumar, AIP Advances, 2021, 0272-8842
- Tailoring of complex permittivity, permeability, and microwave-absorbing properties of CoFe2O4/NG/PMMA nanocomposites through swift heavy ions irradiation, Sandeep Kumar, Ceramics International, 2020, 0272-8842
- Swift heavy-ions irradiated nano-magnetite/exfoliated-nanographite/polymethylmethacrylate nanocomposites with excellent microwave absorption performance, Sandeep Kumar, Materials Letters, 2019, 0167-577X
- Magnetic and microwave absorption properties of Zn2+ -Ti4+ substituted U-type Hexaferrites, Sandeep Kumar, Physica B: Condensed Matter, 2019, 0921-4526
- Complex permittivity, permeability, magnetic and microwave absorbing properties of Ni2+ substituted mechanically milled U-type hexaferrites, Sandeep Kumar, Journal of Alloys and Compounds, 2019, 0925-8388
- Cost effective Fe/NG/PMMA nanocomposites for high-performance microwave absorbing applications, Sandeep Kumar, Materials Research Express, 2019, 2053-1591
