Second-harmonic Generation of Treated-STO Surface

被引：0
|
作者：
Kang, Bonghoon [1 ]
机构：
[1] Far East Univ, Dept Visual Opt, Chungbuk 369700, South Korea
来源：
JOURNAL OF THE KOREAN CERAMIC SOCIETY | 2012年 / 49卷 / 02期
关键词：
Reduction; Single crystals; Surface second-harmonic generation (SHG); Polarization diagram;
D O I：
10.4191/kcers.2012.49.2.142
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
In order to investigate the surface SHG, (110) pure STO single crystals were exposed to a reducing atmosphere to induce the reduction of the Ti ion and the release of oxygen from the lattice compensating the reduction of the Ti ions. The anisotropy and asymmetry of SHG intensity explains a slight shrinkage. The incoming fundamental wave was polarized either in the p-in or s-in to the plane of incidence for the reflection geometry. The SH polarization diagram could be described by the electric dipole and/or quadrupole contribution of reduced STO single crystal surface.
引用
收藏
页码：142 / 145
页数：4
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