Linear and Nonlinear Optical Properties of Hydrogenated CdO Thin Films

被引：10
|
作者：
Henari, F. Z. [1 ]
Dakhel, A. A. [1 ]
机构：
[1] Univ Bahrain, Coll Sci, Dept Phys, Isa Town, Bahrain
来源：
LASER PHYSICS | 2008年 / 18卷 / 12期
关键词：
D O I：
10.1134/S1054660X08120281
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The linear and nonlinear optical properties of a CdO film post-annealed in a hydrogen atmosphere for 30 min ( CdO: H) were studied. The prepared CdO and CdO: H films were characterized by X-ray diffraction and UV-VIS-NIR absorption spectroscopy. Experimental data indicated that annealing in an H 2 atmosphere slightly compresses the CdO unit cell and widens the energy gap of CdO by about 3% relative to a nonhydrogenated film. This effect can be explained by the Burstein-Moss energy effect. The nonlinear absorption and nonlinear refractive index coefficients were determined and found to be higher than the values previously determined for nonhydrogenated CdO.
引用
收藏
页码：1557 / 1561
页数：5
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