Room-temperature ferromagnetism in (Zn1-xMnx)GeP2 semiconductors -: art. no. 257203

被引：172

作者：

Cho, SL ^{[1
]}

Choi, SY ^{[1
]}

Cha, GB ^{[1
]}

Hong, SC ^{[1
]}

Kim, Y ^{[1
]}

Zhao, YJ ^{[1
]}

Freeman, AJ ^{[1
]}

Ketterson, JB ^{[1
]}

Kim, BJ ^{[1
]}

Kim, YC ^{[1
]}

Choi, BC ^{[1
]}

机构：

[1] Univ Ulsan, Dept Phys, Ulsan 680749, South Korea

来源：

PHYSICAL REVIEW LETTERS | 2002年 / 88卷 / 25期

关键词：

D O I：

10.1103/PhysRevLett.88.257203

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on the discovery of a room-temperature ferromagnetic semiconductor in chalcopyrite (Zn1-xMn,)GeP2 with T-c = 312 K. We have also observed that, at temperatures below 47 K, samples for x = 0.056 and 0.2 show a transition to the antiferromagnetic (AFM) state, so that ferromagnetism is well defined to be present between 47 and 312 K. The observation that the AFM phase is most stable at low temperatures is consistent with the predictions of full-potential linearized augmented plane wave total energy calculations and has consequences for other chalcopyrite materials.

引用

页码：4 / 257203

页数：4

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