Eur. Phys. J. AP
Volume 19, Number 3, September 2002
|Page(s)||165 - 172|
|Section||Semiconductors and Devices|
|Published online||12 September 2002|
UV-IR spectra of new tellurite glasses
Physics Dept., Faculty of Science, Menofia Univ., Egypt
Corresponding author: email@example.com
Revised: 26 May 2002
Accepted: 7 June 2002
Published online: 12 September 2002
Binary tellurite glass systems of the forms TeO2(100−x)-xAnOm where AnOm = La2O3 or V2O5 and x = 5 to 20 for La2O3 and 10 to 50 for V2O5 were prepared. UV-spectra of these glasses were recorded in the range of 200–700 nm at room temperature. The optical energy gaps Eoptical and have been calculated from the optical absorption edge. UV cut-off and IR cut-off have been measured. Calculations of the oxide ion average polarizability () and optical basicity (Λ) have been done.
PACS: 61.43.Fs – Glasses / 74.25.Gz – Optical properties
© EDP Sciences, 2002
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