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    Structural, morphological and magnetic properties of hard/soft SrFe12-xVxO19/(Ni0.5Mn0.5Fe2O4)(y) nanocomposites: Effect of vanadium substitution

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    Type
    Article
    Authors
    Almessiere, M. A.
    Slimani, Yassine cc
    Baykal, A.
    Date
    2018-07-21
    Permanent link to this record
    http://hdl.handle.net/10754/678617
    
    Metadata
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    Abstract
    In this study, hard/soft SrFe12-xVxO19/(Ni0.5Mn0.5Fe2O4)y nanocomposite with different amount of soft phase (y = 1, 2, 3) and various ratios of vanadium (x = 0.00, 0.02, 0.04) were synthesized using a one-pot sol-gel auto-combustion route. The X-ray powder diffraction (XRD), scanning and high-resolution transmission electron microscopes (SEM, HRTEM) coupled with EDX and elemental mapping were used to investigate the structure, the morphology and the phase compositions of various nanocomposites, respectively. The analyses showed the formation of the desired phases. The vibrating sample magnetometer (VSM) was also employed to investigate the magnetic properties. The obtained results showed the occurrence of a weak exchange coupling interaction. The magnetic properties are also influenced by both the hard/soft weight ratio and the vanadium content. The highest values of Ms and Mr were obtained for the SrFe12O19/Ni0.5Mn0.5Fe2O4 (i.e. x = 0.00 and y = 1) nanocomposite product. The maximum values of Hc were obtained for the SrFe11.96V0.04O19/Ni0.5Mn0.5Fe2O4 (i.e. x = 0.04 and y = 1) nanocomposite product.
    Citation
    Almessiere, M. A., Slimani, Y., & Baykal, A. (2018). Structural, morphological and magnetic properties of hard/soft SrFe12-xVxO19/(Ni0.5Mn0.5Fe2O4)y nanocomposites: Effect of vanadium substitution. Journal of Alloys and Compounds, 767, 966–975. doi:10.1016/j.jallcom.2018.07.212
    Sponsors
    This study is supported by Deanship of Scientific Research (DSR) fund of Imam Abdulrahman Bin Faisal University (IAU) under the project number of 2017-605-IRMC and 2018-139-IRMC. This research used resources of the Core Labs of King Abdullah University of Science and Technology (KAUST).
    Publisher
    Elsevier BV
    Journal
    JOURNAL OF ALLOYS AND COMPOUNDS
    DOI
    10.1016/j.jallcom.2018.07.212
    Additional Links
    https://linkinghub.elsevier.com/retrieve/pii/S0925838818327130
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jallcom.2018.07.212
    Scopus Count
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