Microstructural Study On the GeS2-Ga2S3-CsCl Glasses

Abstract

Abstract: aman spectra of GeS₂-Ga₂S₃-CsCl pseudo-ternary glasses at room temperature in the air were probed
systematically in the 150～500cm^-1 region. Based on the evolution of Raman spectra and preparing procedure in pseudo-binary systems GeS₂-CsCl
and Ga₂S₃-CsCl, the sole interaction of Ga₂S₃ and CsCl was identified and the formation of new units GaS_3/2Cl was verified in
GeS₂-Ga₂S₃-CsCl glasses. That Cs+ ions in the form of Cl as the nearest coordination are homogeneously dispersed in the polymeric
network was confirmed by the Raman spectra evolution of samples on two serials. Raman spectral evolution of two composition serials can be successfully
interpreted by using a localized model considering the effect of Cs⁺ ions on the structural units GaS_3/2Cl and Ga₂S₄Cl₂.

Key words: GeS₂-Ga₂S₃-CsCl glasses, Raman spectroscopy, microstructure

CLC Number:

TQ171

TAO Hai-Zheng,ZHAO Xiu-Jian,YANG Hui,JING Cheng-Bin. Microstructural Study On the GeS₂-Ga₂S₃-CsCl Glasses[J]. Journal of Inorganic Materials.

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Microstructural Study On the GeS₂-Ga₂S₃-CsCl Glasses

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