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Ferromagnetic properties of Y-doped ALN nanorods

journal contribution
posted on 2010-01-01, 00:00 authored by Weiwei LeiWeiwei Lei, Dan LiuDan Liu, X Chen, P Zhu, Q Cui, G Zou
Room-temperature ferromagnetism has been observed in Y-doped AlN (AlN:Y) nanorods. Our first-principle calculations have demonstrated that the ferromagnetism in AlN:Y is from Al vacancies and that the introduction of nonmagnetic rare-earth element Y into AlN can significantly reduce the formation energy of Al vacancy which leads to high Al vacancies responsible for the observed ferromagnetism in AlN:Y nanorods. These findings illustrate an efficient way to reduce the formation energy of cation vacancy by doping nonmagnetic elements, such as Y, leading to ferromagnetism in semiconductors.

History

Journal

Journal of physical chemistry C

Volume

114

Issue

37

Pagination

15574 - 15577

Publisher

American Chemical Society

Location

Washington, D.C.

ISSN

1932-7447

eISSN

1932-7455

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

Copyright notice

2010, American Chemical Society

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