The influence of substrate curvature on structural, optical properties of Cu, Co codoped ZnO thin films

被引：1
|
作者：
Liu, Huilian [1 ]
Li, Weijun [1 ]
Li, Hongbo [2 ]
Sun, Yunfei [1 ]
Song, Junlin [1 ]
Yang, Jinghai [1 ]
Gao, Ming [1 ]
Liu, Xiaoyan [1 ]
机构：
[1] Jilin Normal Univ, Minist Educ, Key Lab Funct Mat Phys & Chem, Siping 136000, Jilin, Peoples R China
[2] E China Univ Sci & Technol, Shanghai 200237, Peoples R China
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2015年 / 83卷
关键词：
Diluted magnetic semiconductors; Cu; Co codoped ZnO; RF magnetron sputtering; Substrate curvature; DOPED ZINC-OXIDE; NANOSTRUCTURES;
D O I：
10.1016/j.spmi.2015.03.049
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The influence of substrate curvature on structural, optical properties of Cu, Co codoped ZnO thin films were investigated in this study. XRD analysis indicated that the crystal quality of the ZnO films could been influenced by the substrate curvature. The biaxial stress of our samples was measured by side-inclination X-ray diffraction technique. The results indicated that the type of the stress was biaxial compressive stress. Optical absorption spectra showed the absorption edge of our samples displayed blueshift with decreasing substrate curvature. Gauss fit for PL emission spectra showed that the substrate curvature affected the PL properties of the Cu, Co codoped ZnO thin films deposited on polystyrene particles. The various substrates induced defect-related emission increased in visible region. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：376 / 382
页数：7
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