Microstructure and thermal properties of the GeS2-In2S3-CsI glasses

Mao Shun; Tao Haizheng; Zhao Xiujian; Dong Guoping

doi:10.1007/BF02861484

Journal of Wuhan University of Technology Materials Science Edition ›› 2006, Vol. 21 ›› Issue (1) : 106 -109. DOI: 10.1007/BF02861484

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Microstructure and thermal properties of the GeS₂-In₂S₃-CsI glasses

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Abstract

The homogeneous GeS₂-In₂ S₃-Csl glassy samples were prepared by conventional meltquenching method. When the molar ratio of In₂ S₃, to Csl remains 1, the mm-crystalline region can extend to the composition 0.4 GeS₂ -0.3In₂S₃ 0.3 Csl. And with the addition of Csl, the glassforming ability of this serial glass reaches its maximum at the composition 0.8 GeS₂ −0.1 In₂ S₃ −0.1 Csl. According to the Raman spectra, the microstructure of these glasses is mainly constituted by [GeSt] and [lnS_4−xIx] telrahedra, which are interconnected by the bridging sulfur atoms; meanwhile, the ethaneliked structural units [S₃ Ge−GeS₃] can be formed because of the lacking of sulfur;Cs⁺ ion, which is added from Csl, exists as the nearest neighbor of I-ion in the glassy network.

Keywords

chalcohalide glasses / microstructure / thermal properties

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Mao Shun, Tao Haizheng, Zhao Xiujian, Dong Guoping. Microstructure and thermal properties of the GeS₂-In₂S₃-CsI glasses. Journal of Wuhan University of Technology Materials Science Edition, 2006, 21(1): 106-109 DOI:10.1007/BF02861484

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