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首页> 外文会议>2012 7th International Forum on Strategic Technology. >Magneto-optical properties of CdMnTe single crystals
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Magneto-optical properties of CdMnTe single crystals

机译：CdMnTe单晶的磁光特性

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摘要

We describe magneto-optical properties of ternary Cd1−xMnxTe crystals grown by the 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 increase of the energy gap with increasing x may be due to a decrease in the lattice constant. Faraday rotation as a function of photon energy with various Mn compositions for CdMnTe in the temperature range of 10–300 K has been measured. The Faraday rotation was increased as the photon energy increased near to that of the fundamental band gap. Verdet constant becomes larger since the effect of the sp-d exchange interaction is enhanced as the temperature is lowered.
机译：我们描述了由Bridgman方法生长的三元Cd1-xMnxTe晶体的磁光特性。该材料在闪锌锌结构中结晶，x值<0.82。带隙能量与Mn的摩尔分数x线性相关，并随温度的降低而增加。随着x的增加，能隙的增加可能是由于晶格常数的减小。在10–300 K的温度范围内，测量了CdMnTe的各种Mn组成的法拉第旋转与光子能量的关系。随着光子能量增加到基本带隙附近，法拉第旋转增加。由于温度降低，sp-d交换相互作用的作用增强，因此Verdet常数变大。

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