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    Fabrication and characterization of nanostructured Fe3S4, an isostructural compound of half-metallic Fe3O4

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    Type
    Article
    Authors
    Li, Peng cc
    Xia, Chuan cc
    Zhang, Qiang cc
    Guo, Zaibing
    Cui, Wenyao
    Bai, Haili
    Alshareef, Husam N. cc
    Zhang, Xixiang cc
    KAUST Department
    Advanced Nanofabrication, Imaging and Characterization Core Lab
    Functional Nanomaterials and Devices Research Group
    Imaging and Characterization Core Lab
    Material Science and Engineering Program
    Nanofabrication Core Lab
    Physical Science and Engineering (PSE) Division
    Thin Films & Characterization
    Date
    2015-06-10
    Online Publication Date
    2015-06-10
    Print Publication Date
    2015-06-14
    Permanent link to this record
    http://hdl.handle.net/10754/556896
    
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    Abstract
    High-purity, well-crystallized spinel Fe3S4 nanoplatelets were synthesized by the hydrothermal method, and the saturation magnetic moment of Fe3S4 was measured at 1.83 μB/f.u. The temperature-dependent resistivity of Fe3S4 was metallic-like for T < 180 K: room-temperature resistivity was measured at 7.711 × 103 μΩ cm. The anomalous Hall conductivity of Fe3S4 decreased with increasing longitudinal conductivity, in sharp contrast with the accepted theory of the anomalous Hall effect in a dirty-metal regime. Furthermore, negligible spin-dependent magnetoresistance was observed. Band structure calculations confirmed our experimental observations that Fe3S4 is a metal and not a half metal as expected.
    Citation
    Fabrication and characterization of nanostructured Fe3S4, an isostructural compound of half-metallic Fe3O4 2015, 117 (22):223903 Journal of Applied Physics
    Publisher
    AIP Publishing
    Journal
    Journal of Applied Physics
    DOI
    10.1063/1.4922578
    Additional Links
    http://scitation.aip.org/content/aip/journal/jap/117/22/10.1063/1.4922578
    ae974a485f413a2113503eed53cd6c53
    10.1063/1.4922578
    Scopus Count
    Collections
    Nanofabrication Core Lab; Articles; Imaging and Characterization Core Lab; Physical Science and Engineering (PSE) Division; Material Science and Engineering Program

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