Optical and thermal characterizations of AgSbTe chalcogenide-based thin films

Y. D. Sharma; P. Bhatnagar; T. Suhara

doi:10.1117/12.613842

24 August 2005 Optical and thermal characterizations of AgSbTe chalcogenide-based thin films

Y. D. Sharma, P. Bhatnagar, T. Suhara

Proceedings Volume 5870, Advances in Thin-Film Coatings for Optical Applications II; 587003 (2005) https://doi.org/10.1117/12.613842
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

A systematic investigation of the Ag _x -Sb _{2 (1-x)} -Te _{3 (1-x)} (x=0.16, 0.18 and 0.20) is reported. The alloy of Ag-Sb-Te glass system, obtained by rapid quenching technique has been characterized by calorimetric measurements and differential thermal analysis (DTA) for different heating rates. The optical properties of the material were studied using UV spectrophotometer. The optical band gap (E _o) was estimated for these samples by measuring absorption coefficient as a function of wavelength of light in the range 300 -900 nm. The films of the different compositions of Ag were studied for both the cases of before and after annealing. The present study is an attempt to understand the effect of alloying Ag into amorphous Te chalcogenide glasses.

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Y. D. Sharma, P. Bhatnagar, and T. Suhara "Optical and thermal characterizations of AgSbTe chalcogenide-based thin films", Proc. SPIE 5870, Advances in Thin-Film Coatings for Optical Applications II, 587003 (24 August 2005); https://doi.org/10.1117/12.613842

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KEYWORDS

Silver

Glasses

Crystals

Transmittance

Tellurium

Antimony

Reflectivity

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