本文通过X射线衍射分析和逆蒙特卡洛(RMC)计算机模拟,得到Ge10As18Te72玻璃中,Ge、As原子的平均配位数分别为3.55、3,平均每个Te与0.8个Te原子配位成键;玻璃网络结构为变形的[GeTe4]四面体和[AsTe3]、[GeTe3]三角锥通过-As(Ge)-Te-As(Ge)-链连接起来的;Ge15As45Te40玻璃中存在中程有序结构,结构复杂,平均每个Ge原子与1.8个Te原子和1.1个As原子相配位,平均每个As原子与1.3个Te原子和1.0个As原子相配位;后者中的Ge-Te、As-Te键长相应地小于前者.
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