Raman scattering studies of the GeS2-Ga2S3-CsCl glassy system |
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| Authors: | Tao Haizheng Zhao Xiujian Jing Chengbin Yang Hui Mao Shun |
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| Institution: | Key Laboratory of Silicate Materials Science and Engineering (Wuhan University of Technology), Ministry of Education, 122 Luoshi Road, Hongshan-qu, Wuhan, Hubei 430070, People's Republic of China |
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| Abstract: | Room temperature Raman spectra of samples on four serials within GeS2-Ga2S3-CsCl glassy system have been investigated systematically. Based on the analysis of the local coordination surroundings of Cs+ ions, the similarities and changes of Raman spectra for glass Ga2S3-2CsCl and bridged molecular GaCl3 were explained successfully. With a profound consideration of the effect of Cs+ ions on mixed anion units (GaS4−xClx) and bridged units (Ga2S6−xClx) and the corresponding micro-structural model, the Raman spectral evolution of the samples within GeS2-Ga2S3-CsCl glassy system was reasonably elucidated. |
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| Keywords: | 78 30 |
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