Paper Title:
The Effects of Deoxidants on Ge-Se-Te Chalcogenide Glasses
  Abstract

In order to decrease the impurity absorption bands of Ge-Se-Te chalcogenide glasses in IR region. Three different kinds of deoxidants including Mg(magnesium), Al(aluminium) and Ca(calcium) were chosen. Properties measurements including density, Vis-NIR and infrared (IR) transmission spectra were adopted to analyze the relationship between impurity absorption bands and deoxidants. The concentrations of impurities in glass samples with different content of Mg were calculated by method of optic spectra. The results show that Mg is a better choice as deoxidant for chalcogenide glasses compared to Al and Ca. The values of main impurity concentration decrease from 4417.833 to 0 ppmw for Ge-O and from 55.236 to 0 ppmw for Si-O with increasing content of Mg, respectively. At least 200ppm Mg is needed to minimize the main absorption bands in IR region and G5 glass incorporated with 400ppm Mg has minimum concentration of impurities which means that it possesses the optimal transmission properties.

  Info
Periodical
Edited by
Qiancheng Zhao
Pages
458-463
DOI
10.4028/www.scientific.net/AMM.103.458
Citation
X. S. Wang, J. Sun, Q. H. Nie, S. X. Dai, X. H. Zhang, B. Bureau, C. Boussard, C. Conseil, "The Effects of Deoxidants on Ge-Se-Te Chalcogenide Glasses", Applied Mechanics and Materials, Vol. 103, pp. 458-463, 2012
Online since
September 2011
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