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Preparation and magnetic properties of Bi2Fe4O9/CoFe2O4 composite powders

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Abstract

Bi2Fe4O9/CoFe2O4 (BFO/CFO) composite powders were synthesized via a simple one-step sol–gel method. The phase composition and morphology of the as-synthesized composite powders were characterized by an X-ray diffractometer, a Raman spectrometer and a scanning electron microscopy equipped with energy dispersive X-ray spectroscopy respectively, The magnetic properties of the composite powders were investigated by a vibrating sample magnetometer. All the composite powders show single-phase-like magnetic hysteresis loops. The results reveal that the saturation magnetization (Ms), the remnant magnetization (Mr), and the coercivity (Hc) all increase with increasing the concentration of CFO.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (Grant No. 51402178), the Science and Technology Foundation of Shaanxi Province (Grant No. 2013KJXX79, 2013JQ6004) and the Special Foundation of the Ministry of Shaanxi Province (Grant No. 2013JK0937) and the Scientific Research Starting Foundation of Shaanxi University of Science and Technology (Grant No. BJ13-13).

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Authors and Affiliations

  1. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, 710021, China

    Ying Lin, Pan Kang, Haibo Yang & Miao Liu

  2. Shaanxi Research Institute of Agricultural Products Processing Technology, Xi’an, 710021, China

    Ying Lin

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  1. Ying Lin
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  2. Pan Kang
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  3. Haibo Yang
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  4. Miao Liu
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Correspondence to Haibo Yang.

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Lin, Y., Kang, P., Yang, H. et al. Preparation and magnetic properties of Bi2Fe4O9/CoFe2O4 composite powders. J Mater Sci: Mater Electron 26, 1102–1106 (2015). https://doi.org/10.1007/s10854-014-2511-0

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  • DOI: https://doi.org/10.1007/s10854-014-2511-0

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