(Zn,Cr) Te的室温铁磁性

2003 International Symposium on Compound Semiconductors Pub Date : 2003-10-27 DOI:10.1109/ISCS.2003.1239929

H. Saito, V. Zayets, S. Yamagata, K. Ando

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引用次数: 0

摘要

本文研究了铁磁稀磁半导体(dms)在sp载流子和定域d自旋之间存在交换相互作用(sp-d交换相互作用)。sp-d交换相互作用只能通过磁光测量如磁圆二色性(MCD)光谱来直接检测。最近，我们在居里温度T/sub c/为300K的Zn/sub 1-x/Cr/sub x/Te (x=0.20)铁磁薄膜中证实了sp-d交换相互作用。

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Room temperature ferromagnetism in (Zn,Cr) Te

In this paper, ferromagnetic diluted magnetic semiconductors (DMSs) have exchange interaction between sp-carriers and localized d-spins (sp-d exchange interaction). The sp-d exchange interaction can be detected directly only by the magneto-optical measurements such as a magnetic circular dichorism (MCD) spectroscopy. Recently, we confirmed the sp-d exchange interaction in a ferromagnetic Zn/sub 1-x/Cr/sub x/Te (x=0.20) film of which Curie temperature T/sub c/ was 300K.

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2003 International Symposium on Compound Semiconductors

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