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Issue 24, 2014
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Ferromagnetism in Cr-doped passivated AlN nanowires

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Abstract

We apply first principles calculations to predict the effect of Cr doping on the electronic and magnetic properties of passivated AlN nanowires. We compare the energetics of the possible dopant sites and demonstrate the favorable configuration ferromagnetic ordering. The charge density of the pristine passivated AlN nanowires is used to elucidate the bonding character. Spin density maps demonstrate an induced spin polarization for N atoms next to dopant atoms, though most of the magnetism is carried by the Cr atoms. Cr-doped AlN nanowires turn out to be interesting for spintronic devices.

Graphical abstract: Ferromagnetism in Cr-doped passivated AlN nanowires

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Article information


Submitted
03 Feb 2014
Accepted
08 Apr 2014
First published
09 Apr 2014

J. Mater. Chem. A, 2014,2, 9287-9290
Article type
Paper
Author version available

Ferromagnetism in Cr-doped passivated AlN nanowires

M. B. Kanoun, S. Goumri-Said and U. Schwingenschlögl, J. Mater. Chem. A, 2014, 2, 9287
DOI: 10.1039/C4TA00593G

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