| Ferromagnetism and Curie temperature of Vanadium-doped nitrides. | |
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MedLine Citation:
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PMID: 16157644 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Electronic structures, exchange interaction mechanism between magnetic ions and Curie temperature of Vanadium-doped nitrides (AlN, GaN, and InN) are studied within KKR-LSDA-CPA. It is found that the ferromagnetic super-exchange interaction mechanism is dominant at low concentrations of Vanadium, but the anti-ferromagnetic super-exchange interaction appears and reduces the stabilization of ferromagnetism at sufficiently high concentrations (x > 0.10), especially for Vanadium-doped AlN and Vanadium-doped GaN. The estimation of the Curie temperature within the mean field approximation shows the Curie temperature of Vanadium-doped nitrides exceeding room temperature with a few constituents of Vanadium. |
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Authors:
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Van An Dinh; Hiroshi Katayama-Yoshida |
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Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: Journal of electron microscopy Volume: 54 Suppl 1 ISSN: 1477-9986 ISO Abbreviation: J Electron Microsc (Tokyo) Publication Date: 2005 |
Date Detail:
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Created Date: 2005-09-13 Completed Date: 2008-03-24 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7611157 Medline TA: J Electron Microsc (Tokyo) Country: Japan |
Other Details:
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Languages: eng Pagination: i61-4 Citation Subset: - |
Affiliation:
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Department of Condensed Matter Physics, Nanoscience and Nanotechnology Center, The Institute of Scientific and Industrial Research, Osaka University, Mihogaoka 8-1, Ibaraki, Osaka 567-0047, Japan. divan@cmp.sanken.osaka-u.ac.jp |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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