采用熔融淬冷法制备了系列Ge3Se5Te2Snx(x=0、0.4、0.8、1.2、1.6、2.0,mol％)硫系玻璃.采用X射线衍射(XRD)图谱、差示扫描量热曲线(DSC)、可见/近红外光谱、傅里叶红外(FTIR)光谱、显微拉曼光谱等手段对玻璃的物化性能及结构进行表征,研究发现Sn的引入导致Ge-Se-Te玻璃系统物化性能的变化:玻璃的转变温度Tg降低、红外截止波长发生红移,并有效地降低了杂质吸收峰对样品红外透过率的影响.利用Philips网络约束理论计算的玻璃平均配位数及拉曼光谱的变化,讨论了引入Sn对Ge-Se-Te玻璃的影响.
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