The optical band cap of the films narrows as the content x increases from1.50 eV(x=0)to 0.84 eV(x=10 at.%)in investigated contents.

• 在研究的组分范围内；薄膜的光学带隙随Cr 组分的增大而变窄；由1.；50 eV(x=0)减小到0