| Synthesis and Magnetic Properties of Maghemite (gamma-Fe(2)O(3)) Short-Nanotubes. | |
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MedLine Citation:
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PMID: 20730115 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We report a rational synthesis of maghemite (gamma-Fe(2)O(3)) short-nanotubes (SNTs) by a convenient hydrothermal method and subsequent annealing process. The structure, shape, and magnetic properties of the SNTs were investigated. Room-temperature and low-temperature magnetic measurements show that the as-fabricated gamma-Fe(2)O(3) SNTs are ferromagnetic, and its coercivity is nonzero when the temperature above blocking temperature (T(B)). The hysteresis loop was operated to show that the magnetic properties of gamma-Fe(2)O(3) SNTs are strongly influenced by the morphology of the crystal. The unique magnetic behaviors were interpreted by the competition of the demagnetization energy of quasi-one-dimensional nanostructures and the magnetocrystalline anisotropy energy of particles in SNTs. |
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Authors:
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W Wu; X H Xiao; S F Zhang; T C Peng; J Zhou; F Ren; C Z Jiang |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2010-6-17 |
Journal Detail:
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Title: Nanoscale research letters Volume: 5 ISSN: 1556-276X ISO Abbreviation: - Publication Date: 2010 |
Date Detail:
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Created Date: 2010-8-23 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101279750 Medline TA: Nanoscale Res Lett Country: - |
Other Details:
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Languages: ENG Pagination: 1474-1479 Citation Subset: - |
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