Ga_2S_3-2MCl(M=Tl,Rb,Cs)玻璃的形成与拉曼光谱研究
摘要
随着引入的金属阳离子M+半径的增加,Ga_2S_3-2MCl玻璃的成玻性逐渐变好。通过采用改变配料质量和淬冷速率的方法成功获得了均匀的Ga_2S_3-2MCl(M=Tl,Rb,Cs)玻璃样品。根据化学序的微结构模型,通过把Ga_2S_3-2MCl玻璃的微结构考虑成金属阳离子以氯原子为最近邻配位均匀分散于桥式单元[Ga_2S_(4/2)Cl_2]^(2-)、类乙烷单元[S_3Ga-GaS_3]等所组成的玻璃网络中,成功地阐释了GaS_3-2MCl玻璃的拉曼谱随金属阳离子变化的演变。
出处
《江苏建材》
2004年第4期30-33,共4页
Jiangsu Building Materials
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