Electro-optic effect in ZnO:Mn thin films

被引:16
作者
Nagata, T [1 ]
Ashida, A [1 ]
Fujimura, N [1 ]
Ito, T [1 ]
机构
[1] Osaka Prefecture Univ, Dept Appl Mat Sci, Grad Sch Engn, Sakai, Osaka 5998531, Japan
关键词
ferroelectrics; semiconductors; laser processing; nonlinear optics;
D O I
10.1016/j.jallcom.2003.06.016
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The electro-optic effect of ZnO epitaxial films was studied. Since the electro-optic effect in ZnO is inferior to that of ferroelectric materials, an increase in the electro-optic effect was expected in ZnO having ferroelectricity, due to the increase in the dielectric constant. Although Li and Mg doped ZnO film exhibited electro-optic response, the mobile Li ions influenced the polarization behaviour. To eliminate the electro-optic effect induced by other space charge effects, the birefringence shift measurement was performed. The measurement with ac electric field at various frequencies could abstract the electro-optic effect of Mn-doped ZnO thin films induced only by dipolar polarizability. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码:157 / 159
页数:3
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