锗是一种半导体材料，其导电系数介于导体与绝缘体之间。
Germanium is a semiconductor material with its conductivity lying between that of conductors and that of insulators.
研究表明：镶嵌在绝缘介质薄膜中的纳米锗颗粒的能带是量子化的，随着纳米锗粒子平均尺寸的减小，其吸收带隙增加，吸收带边蓝移的程度相应增大。
In comparison with that of the bulk Ge crystals, the nanocrystalline Ge show a blue shift of energy and the optical band gap increases with decreasing of the particle size of the nanocrystallites.
应用推荐