2 we studied the films with raman polarization spectrum . the peak intensity in the polarization spectrum of the films with basal plane not oriented on the substrate changes with the polarization condition 张生仅北京工业大学博士学位论文摘要2利用raman偏振光谱研究了薄膜的性质,对基面非平行衬底的取向, raman谱随偏振条件的不同而变化。