This course has a three part group project assignment which covers the (1) physical structure, (2) the phonon spectra, and the (3) band structure of a semiconductor.
本课程含有一个具有三个组成部分的小组设计作业，覆盖半导体的：（1）物理结构，（2）声子谱，以及（3）带结构。
The X-ray diffraction (XRD), excitation, emission and phonon side band spectra of the upper and lower parts of crystals were measured.
测定了晶体下部与上部的X射线衍射图（XRD）、激发光谱、荧光光谱以及声子边带谱。
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