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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 ZouRoom-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 CVolume
114Issue
37Pagination
15574 - 15577Publisher
American Chemical SocietyLocation
Washington, D.C.Publisher DOI
ISSN
1932-7447eISSN
1932-7455Language
engPublication classification
C1.1 Refereed article in a scholarly journalCopyright notice
2010, American Chemical SocietyUsage metrics
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