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    Hole compensation effect in III-Mn-V dilute ferromagnetic semiconductors

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    Type
    Article
    Authors
    Xu, Chi cc
    Wang, Mao
    Yuan, Ye
    Larkin, Gerard
    Helm, Manfred
    Zhou, Shengqiang cc
    KAUST Department
    Physical Science and Engineering (PSE) Division
    Date
    2019-07-02
    Permanent link to this record
    http://hdl.handle.net/10754/660095
    
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    Abstract
    A systematic study of hole compensation effect on magnetic properties, which is controlled by defect compensation through ion irradiation, in (Ga,Mn)As, (In,Mn)As and (Ga,Mn)P is represented in this work. In all materials, both Curie temperature and magnetization decrease upon increasing the hole compensation, confirming the description of hole mediated ferromagnetism according to the p-d Zener model. The material dependence of Curie temperature and magnetization versus hole compensation reveals that the manipulation of magnetic properties in III-Mn-V dilute ferromagnetic semiconductors by ion irradiation is strongly influenced by the energy level location of the produced defect relative to the band edges in semiconductors.
    Citation
    Xu, C., Wang, M., Yuan, Y., Larkin, G., Helm, M., & Zhou, S. (2019). Hole compensation effect in III-Mn-V dilute ferromagnetic semiconductors. Journal of Physics D: Applied Physics, 52(35), 355301. doi:10.1088/1361-6463/ab25dd
    Sponsors
    Support by the Ion Beam Center (IBC) at HZDR is gratefully acknowledged. The authors thank Professor B L Gallagher, Dr K W Edmonds, Dr R P Campion and Dr A W Rushforth (University of Nottingham) for providing (Ga,Mn)As samples. The support from Rafal Jakiela (Polish Academy of Sciences) for SIMS measurement is acknowledged. This work is funded by the Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF-VH-NG-713). The author C Xu thanks financial support by Chinese Scholarship Council (File No. 201506680062)
    Publisher
    IOP Publishing
    Journal
    Journal of Physics D: Applied Physics
    DOI
    10.1088/1361-6463/ab25dd
    arXiv
    1907.05160
    Additional Links
    https://iopscience.iop.org/article/10.1088/1361-6463/ab25dd
    http://pdfs.semanticscholar.org/e855/88e159400fcccbf6c280f4516334d9194da5.pdf
    ae974a485f413a2113503eed53cd6c53
    10.1088/1361-6463/ab25dd
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division

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