Effect of modifier content on the crystallization and the optical gaps of a TeO2-ZnO glass


Ozalp M., Ozen G., Altin F., Kalem V., Ovecoglu M.

EURO CERAMICS VIII, PTS 1-3, pp.1907-1910, 2004 (Journal Indexed in SCI) identifier

  • Publication Type: Article / Article
  • Publication Date: 2004
  • Title of Journal : EURO CERAMICS VIII, PTS 1-3
  • Page Numbers: pp.1907-1910

Abstract

On the basis of DTA analyses, crystallization mechanism and crystallization activation energy of 0.6TeO(2)-0.4ZnO glass were determined. Also, the effect of ZnO content on the optical band-gap and Urbach energies of (1-x) TeO2 - (x)ZnO (where x=0.2, 0.3 and 0.4 in molar ratio) glasses have been examined by ultraviolet- visible- near infrared (UV / VIS / NIR) absorption measurements between 300 - 800 nm wavelength region. It is found that they both are functions of glass composition.