Influence of the selenium content on thermo-mechanical and optical properties of Ge–Ga–Sb–S chalcogenide glasses

A number of Ge17Ga4Sb10S69−xSex (x=0, 15, 30, 45, 60, and 69) chalcogenide glasses have been synthesized by a melt-quenching method to investigate the effect of the Se content on thermo-mechanical and optical properties of these glasses. While it was found that the glass transition temperature (Tg)...

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Bibliographic Details
Published in:Infrared physics & technology 2016-07, Vol.77, p.21-26
Main Authors: Ye, Bin, Dai, Shixun, Wang, Rongping, Tao, Guangming, Zhang, Peiqing, Wang, Xunsi, Shen, Xiang
Format: Article
Language:English
Subjects:
Chalcogenide glasses
Infrared transmission region
Thermo-mechanical and optical properties
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Summary:A number of Ge17Ga4Sb10S69−xSex (x=0, 15, 30, 45, 60, and 69) chalcogenide glasses have been synthesized by a melt-quenching method to investigate the effect of the Se content on thermo-mechanical and optical properties of these glasses. While it was found that the glass transition temperature (Tg) decreases from 261 to 174°C with increasing Se contents, crystallization temperature (Tc) peak only be observed in glasses with Se content of x=45. It was evident from the measurements of structural and physical properties that changes of the glass network bring an apparent impact on the glass properties. Also, the substitution of Se for S in Ge–Ga–Sb glasses can significantly improve the thermal stability against crystallization and broaden the infrared transmission region.
ISSN:1350-4495
1879-0275
DOI:10.1016/j.infrared.2016.05.013