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Temperature dependence of the optical absorption and electroabsorption in chalcogenide glasses based on barrier-cluster model

I. BANIK1,*

Affiliation

  1. Slovak University of Technology, Faculty of CE, Department of Physics, Radlinského 11, 813 68 Bratislava, Slovak Republic

Abstract

In paper the problem of influence of temperature on the optical absorption and electroabsorption in chalcogenide glasses in region of exponential tails is analysed from point of view of barrier-cluster model. The barrier - cluster model assumes that there are microregions – closed clusters - in a glass separated from each other by the potential barriers which restrain (restrict) a transport of charge carriers at the bottom of the conduction (or valence) band. At the same time barriers influence an optical absorption and electroabsorption to a great extent..

Keywords

Chalcogenide glass, Cluster, Barrier-cluster model, Optical absorption, Electroabsorption, Amorphous, Semiconductor, Non-crystalline.

Submitted at: Feb. 13, 2008
Accepted at: March 17, 2008

Citation

I. BANIK, Temperature dependence of the optical absorption and electroabsorption in chalcogenide glasses based on barrier-cluster model, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 3, pp. 475-483 (2008)