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

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

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.

Keywords: ferromagnetism Fe-doped InP first-principles calculations

Received: 13 January 2012
Revised: 11 March 2012
Accepted manuscript online:

PACS:	75.50.Pp	(Magnetic semiconductors)
	71.55.-i	(Impurity and defect levels)
	71.70.-d	(Level splitting and interactions)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 60925016).

Corresponding Authors: Dong Shan
E-mail: dongshan08@semi.ac.cn

Cite this article:

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

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

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