Prof. Vandana Ravi Kumar | Acharya Nagarjuna University | India
Prof. V. Ravi Kumar is a distinguished physicist specializing in materials science and solid-state physics, focusing on glass physics, dielectric and electrical properties, nonlinear optics, and photoluminescence. His research extensively employs ESR, IR, and Raman spectroscopy to study glass and glass-ceramic materials, with applications in radiation dosimetry, electrochromic devices, fuel-cell electrolytes, and optical systems. He has authored over 170 peer-reviewed publications, including more than 70 Q1 papers, with an h-index of 38 and nearly 3900 citations, and contributed chapters to key academic books. His research has been supported by major national funding agencies, reflecting his recognized leadership in advanced materials. He has guided numerous Ph.D. and M.Phil. scholars in oxide glasses, luminescent ions, magnetic nanoparticles, bioactive glasses, and thin-film technologies. Students’ theses under his guidance include studies on dielectric behavior, rare-earth ion luminescence, electrochromic films, antibacterial bioactive glasses, and magnetic nanoparticle tuning. He is an active reviewer for reputed journals from Elsevier, Wiley, and Springer, ensuring research quality and rigor. He holds memberships in the Materials Research Society of India, Luminescence Society of India, Indian Association of Physics Teachers, and is an Associate Fellow of the AP Academy of Sciences. His work bridges fundamental science with practical applications, advancing glass-ceramics, nonlinear optical materials, and functional oxide systems. Prof. Ravi Kumar continues to drive innovative research, interdisciplinary collaborations, and mentorship, leaving a lasting impact on materials science and the next generation of scientists.
Profile: Google Scholar
Featured Publications
Srikumar, T., Kityk, I. V., Rao, C. S., Gandhi, Y., Piasecki, M., Bragiel, P., & Kumar, V. R. (2011). Photostimulated optical effects and some related features of CuO mixed Li₂O–Nb₂O₅–ZrO₂–SiO₂ glass ceramics. Ceramics International, 37(7), 2763–2779.
Kumar, V. R., Veeraiah, N., Appa Rao, B., & Bhuddudu, S. (1998). Optical absorption and photoluminescence properties of Eu³⁺-doped ZnF₂–PbO–TeO₂ glasses. Journal of Materials Science, 33(10), 2659–2662.
Kalpana, T., Brik, M. G., Sudarsan, V., Naresh, P., Kumar, V. R., & Kityk, I. V. (2015). Influence of Al³⁺ ions on luminescence efficiency of Eu³⁺ ions in barium boro-phosphate glasses. Journal of Non-Crystalline Solids, 419, 75–81.
Satyanarayana, T., Kityk, I. V., Ozga, K., Piasecki, M., Bragiel, P., & Brik, M. G., et al. (2009). Role of titanium valence states in optical and electronic features of PbO–Sb₂O₃–B₂O₃: TiO₂ glass alloys. Journal of Alloys and Compounds, 482(1–2), 283–297.
Rao, K. S., Reddy, M. S., Kumar, V. R., & Veeraiah, N. (2008). Dielectric, magnetic and spectroscopic properties of Li₂O–WO₃–P₂O₅ glass system with Ag₂O as additive. Materials Chemistry and Physics, 111(2–3), 283–292.