Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment

doi:10.1088/1674-1056/21/9/097502

中国物理B ›› 2012, Vol. 21 ›› Issue (9): 97502-097502.doi: 10.1088/1674-1056/21/9/097502

• CONDENSED MATTER: ELECTRONIC STRUCTURE, ELECTRICAL, MAGNETIC, AND OPTICAL PROPERTIES • 上一篇下一篇

Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment

董珊, 朱峰

State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

收稿日期:2012-01-13 修回日期:2012-03-11 出版日期:2012-08-01 发布日期:2012-08-01
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 60925016).

Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment

Dong Shan (董珊), Zhu Feng (朱峰)

State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

Received:2012-01-13 Revised:2012-03-11 Online:2012-08-01 Published:2012-08-01
Contact: Dong Shan E-mail:dongshan08@semi.ac.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 60925016).

摘要/Abstract

摘要： We report on the electron-mediated ferromagnetism in Fe-doped InP from both first-principles calculations and experiments. Theoretically, based on spin-polarized density functional theory within Heyd-Scuseria-Ernzerhof (HSE03) approach, we systematically investigate the magnetic properties of Fe-doped InP and predict the existence of electron-mediated ferromagnetism. Experimentally, by diffusing Fe into the n-type InP wafer with thermal annealing at 800 ℃, we observe room-temperature ferromagnetism in InP:Fe, which is in agreement with the theoretical prediction.

关键词: ferromagnetism, Fe-doped InP, first-principles calculations

Abstract: We report on the electron-mediated ferromagnetism in Fe-doped InP from both first-principles calculations and experiments. Theoretically, based on spin-polarized density functional theory within Heyd-Scuseria-Ernzerhof (HSE03) approach, we systematically investigate the magnetic properties of Fe-doped InP and predict the existence of electron-mediated ferromagnetism. Experimentally, by diffusing Fe into the n-type InP wafer with thermal annealing at 800 ℃, we observe room-temperature ferromagnetism in InP:Fe, which is in agreement with the theoretical prediction.

Key words: ferromagnetism, Fe-doped InP, first-principles calculations

中图分类号: (Magnetic semiconductors)

75.50.Pp

71.55.-i (Impurity and defect levels) 71.70.-d (Level splitting and interactions)

董珊, 朱峰. Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment[J]. 中国物理B, 2012, 21(9): 97502-097502.

Dong Shan (董珊), Zhu Feng (朱峰). Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment[J]. Chin. Phys. B, 2012, 21(9): 97502-097502.

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Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment

Electron-mediated ferromagnetism in Fe-doped InP: Theory and experiment

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