Electronic structure of a LiB3O5 nonlinear optical crystal

被引：9
|
作者：
Kuznetsov, AY
Sobolev, AB
Ogorodnikov, IN
Kruzhalov, AV
机构：
[1] Urals State Technical University
来源：
RADIATION EFFECTS AND DEFECTS IN SOLIDS | 1995年 / 134卷 / 1-4期
关键词：
lithium triborate; LiB3O5; electronic structure; cluster calculation;
D O I：
10.1080/10420159508227185
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The electronic bands of a LiB3O5 (LBO) crystal with excellent nonlinear optical properties have been studied using the scattered-wave method in embedded-cluster model. Calculations were carried out for a [B3O7](5-) cluster, as this anionic group is the crystal basic structural unit. The interpretation of experimental photoemission spectra is based on electronic structure cluster calculations. From calculation performed, it follows that the contribution of trigonal and tetrahedral boron-oxygen groups dominates in the electronic structure of LBO, the contribution of 2p-boron stares is immaterial.
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收藏
页码：69 / 73
页数：5
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