Absorption Related to Electrochromism in Cubic Boron Nitride Single Crystals

被引：0
|
作者：
Ren Ce [1 ]
Chen Zhan-Guo [1 ]
Jia Gang [1 ]
Liu Xiu-Huan [2 ]
Zhao Jian-Xun [1 ]
Wang Shuang [1 ]
机构：
[1] Jilin Univ, State Key Lab Integrated Optoelect, Coll Elect Sci & Engn, Changchun 130012, Peoples R China
[2] Jilin Univ, Coll Commun Engn, Changchun 130012, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 06期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A unusual electrochromism is observed in amber cubic boron nitride (cBN) single crystals when breakdown possibly related to impurities and defects occurs. The electrochromism induces an abrupt increase in the absorption coefficient of the cBN crystals within the visible and infrared region. The change of the absorption coefficient of cBN crystal can be increased linearly by raising the current after the electrochromism occurs, whereas it is irrelevant to the polarization of the incident light. The absorption related to the electrochromism in the cBN single crystal has potential applications in designing and manufacturing electro-optical modulators, optical switches, and other optoelectric devices.
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页数：4
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