Large second harmonic response in ZnO thin films

被引：77

作者：

Wang, G ^{[1
]}

Kiehne, GT

Wong, GKL

Ketterson, JB

Liu, X

Chang, RPH

机构：

[1] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA

[2] Northwestern Univ, Dept Mat Sci & Engn, Evanston, IL 60208 USA

[3] Hong Kong Univ Sci & Technol, Dept Phys, Kowloon, Hong Kong, Peoples R China

[4] Northwestern Univ, Dept Elect & Comp Engn, Evanston, IL 60208 USA

[5] Northwestern Univ, Mat Res Ctr, Evanston, IL 60208 USA

来源：

APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 03期

关键词：

D O I：

10.1063/1.1435065

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The second-order susceptibilities in the ZnO films have been studied systemically. In very thin films, we observe an enhancement of second-order susceptibilities, which is larger than that of single-crystal ZnO. It was also observed that the second-order susceptibilities for ZnO films depend on the thickness but not on the film growth technique used (reactive sputtering or plasma-enhanced chemical vapor deposition). We suggest a mechanism to explain the reduction in the second-order susceptibilities of the thicker films. (C) 2002 American Institute of Physics.

引用

页码：401 / 403

页数：3

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