A Study on the Magneto-optical Properties and Application of Diluted Magnetic Semiconductor Cd1-xMnxTe

被引：0
|
作者：
Hwang, Younghun [1 ]
Um, Youngho [1 ]
Cho, Sunglae [1 ]
机构：
[1] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea
来源：
JOURNAL OF THE KOREAN MAGNETICS SOCIETY | 2009年 / 19卷 / 05期
关键词：
diluted magnetic semiconductor; vertical bridgman method; CdMnTe; faraday rotation; optical isolator;
D O I：
10.4283/JKMS.2009.19.5.186
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigated the magneto-optical properties and application of diluted magnetic semiconductors Cd1-xMnxTe crystals with various Mn contents grown using a vertical Bridgman method. This material crystallizes in the zinc-blende structure for values of x < 0.82. The band-gap energy was depended on Mn mole fraction x linearly and increased with decreasing temperature. The Faraday rotation was increased as the photon energy increased near to that of the fundamental band gap and its increased with increasing Mn mole fraction. Optical isolator using the Cd0.62Mn0.38Te crystal shows that the isolation and insertion loss are 45 dB and 0.35 dB at 650 nm, respectively.
引用
收藏
页码：186 / 190
页数：5
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