Educational Trend (A Journal of RIE, Ajmer - NCERT)

Vol. 4 No. 2 (2023)
ARTICLES

Optical studies of tellurium based quaternary glasses

PDF
  • V. Sreenivasulu,
  • M. Prasad
V. Sreenivasulu
Department of Physics, Palamuru University, Mahabubnagar
M. Prasad
Department of Physics, Palamuru University, Mahabubnagar

Published 2025-03-12

Keywords

  • XRD,
  • Optical absorption,
  • Refractive index,
  • Physical parameters

How to Cite

Sreenivasulu, V., & Prasad, M. (2025). Optical studies of tellurium based quaternary glasses. Educational Trend (A Journal of RIE, Ajmer - NCERT), 4(2), 35-44. http://14.139.250.109:8090/index.php/ET/article/view/3739

Abstract

The glasses with composition 64TeO2-15CdO-(20-x)ZnO-xBaO-1V2O5 (x= 0, 5, 10, 15 
and 20 mol%) were prepared by conventional melt quenching technique. X-ray diffraction 
method was used to confirms the non crystalline behavior of the glass samples. The optical 
absorption studies shows that the cut-off wavelength decreases while optical band gap energy 
(Eopt) and Urbach energy (∆E) values increase with an increase of BaO composition. The 
Refractive index ( ) calculated from Eopt was found to decrease with an increase of BaO mol 
percentage. The physical parameters such as density (ρ), molar volume (Vm), oxygen packing 
density (OPD), molar refraction (Rm) and metallization criterion (M) estimated and discussed.

PDF