Magnetism and clustering in Cr-doped InN

A. Belabbes; A. Zaoui; M. Ferhat

doi:10.1063/1.3527978

Magnetism and clustering in Cr-doped InN

A. Belabbes^*, A. Zaoui, M. Ferhat

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Density functional theory was applied to study the electronic and magnetic coupling of Cr-doped InN, in which magnetic configurations have been investigated. We found that the calculated ferromagnetic stabilizing energy is strongly linked to the Cr-Cr distance. The local magnetic moment of Cr is 2.3_μB, and it weakly depends on the Cr-Cr distance. The coupling between the Cr d and the N p states is found to be the origin of ferromagnetism in the InCrN system. The generalized gradient approximation-1/2 correction procedure increases the polarization of InCrN, making this system a robust half-metallic ferromagnetic alloy.

Original language	English (US)
Article number	242509
Journal	Applied Physics Letters
Volume	97
Issue number	24
DOIs	https://doi.org/10.1063/1.3527978
State	Published - Dec 13 2010
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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abstract = "Density functional theory was applied to study the electronic and magnetic coupling of Cr-doped InN, in which magnetic configurations have been investigated. We found that the calculated ferromagnetic stabilizing energy is strongly linked to the Cr-Cr distance. The local magnetic moment of Cr is 2.3μB, and it weakly depends on the Cr-Cr distance. The coupling between the Cr d and the N p states is found to be the origin of ferromagnetism in the InCrN system. The generalized gradient approximation-1/2 correction procedure increases the polarization of InCrN, making this system a robust half-metallic ferromagnetic alloy.",

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AU - Zaoui, A.

AU - Ferhat, M.

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N2 - Density functional theory was applied to study the electronic and magnetic coupling of Cr-doped InN, in which magnetic configurations have been investigated. We found that the calculated ferromagnetic stabilizing energy is strongly linked to the Cr-Cr distance. The local magnetic moment of Cr is 2.3μB, and it weakly depends on the Cr-Cr distance. The coupling between the Cr d and the N p states is found to be the origin of ferromagnetism in the InCrN system. The generalized gradient approximation-1/2 correction procedure increases the polarization of InCrN, making this system a robust half-metallic ferromagnetic alloy.

AB - Density functional theory was applied to study the electronic and magnetic coupling of Cr-doped InN, in which magnetic configurations have been investigated. We found that the calculated ferromagnetic stabilizing energy is strongly linked to the Cr-Cr distance. The local magnetic moment of Cr is 2.3μB, and it weakly depends on the Cr-Cr distance. The coupling between the Cr d and the N p states is found to be the origin of ferromagnetism in the InCrN system. The generalized gradient approximation-1/2 correction procedure increases the polarization of InCrN, making this system a robust half-metallic ferromagnetic alloy.

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Magnetism and clustering in Cr-doped InN

Abstract

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