By using laser Raman spectrum method,the samples full width at half maximum(FWHM) and depolarization ratio of laser Raman spectrum at stretching vibration were measured.

• 运用激光喇曼光谱的分析方法,测量了它们的激光喇曼谱在伸缩振动喇曼峰处的半峰全宽,同时也测量了样品在伸缩振动喇曼峰处的退偏振度。