Magnetoresistance in a room temperature ferromagnetic diluted magnetic semiconductor Zn1-xCrxTe

被引:0
|
作者
Saito, H. [1 ]
Yamagata, S. [1 ,2 ]
Ando, K. [1 ]
机构
[1] NanoElectronics Research Institute, AIST, Tsukuba Central 2, Umezono 1-1-1, Tsukuba, Ibaraki 305-8568, Japan
[2] Toho University, Funabashi, Chiba, 274-0072, Japan
来源
Journal of Applied Physics | 2004年 / 95卷 / 11 II期
关键词
Binding energy - Carrier mobility - Electric conductivity - Electric currents - Electrodes - Ferromagnetic materials - Ferromagnetism - Magnetic field effects - Magnetic hysteresis - Magnetization - Magnetoresistance - Molecular beam epitaxy - Semiconducting zinc compounds;
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学科分类号
摘要
A negative magnetoresistance (MR) in a Zn1-xCrxTe with room temperature (RT) ferromagnetism was analyzed. In a magnetic field of 10 kOe, the MR ratio was -26% and showed a clear hysteresis loop. It was expected that the transport properties of Zn1-xCrxTe sensitively depended on the magnetic field due to the sp-d exchange interaction. The results show that the electrical properties of Zn1-xCr xTe are strongly affected by its magnetic properties through a strong carrier-spin interaction.
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页码:7175 / 7177
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