| 3 | Investigation of Optical Properties of Amorphous Gap Films显示文摘The optical properties of amorphous Gap(a-Gap)films prepared by plasma enhanced transport deposition method in the system of Ga-PCl_(3)-H_(2) have been studied.The optical energy band gap E_(g)^(opt) of a-Gap films is about 1.6 e V which depends on the contents of Cl atoms.The results of exponential absorption edge indicate that there is a high density of band-tail states in the optical energy band gap. | XU Jianhong CHEN Kunji ZHU Enjun | 1991 | Chinese Physics Letters1991，8，4： | 0 |
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