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Issue 35, 2017
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Exfoliated BN shell-based high-frequency magnetic core–shell materials

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Abstract

The miniaturization of electric machines demands high frequency magnetic materials with large magnetic-flux density and low energy loss to achieve a decreased dimension of high rotational speed motors. Herein, we report a solution-processed high frequency magnetic composite (containing a nanometal FeCo core and a boron nitride (BN) shell) that simultaneously exhibits high electrical resistivity and magnetic permeability. The frequency dependent complex initial permeability and the mechanical robustness of nanocomposites are intensely dependent on the content of BN insulating phase. The results shown here suggest that insulating magnetic nanocomposites have potential for application in next-generation high-frequency electric machines with large electrical resistivity and permeability.

Graphical abstract: Exfoliated BN shell-based high-frequency magnetic core–shell materials

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Publication details

The article was received on 28 May 2017, accepted on 09 Aug 2017 and first published on 10 Aug 2017


Article type: Paper
DOI: 10.1039/C7NR03801A
Citation: Nanoscale, 2017,9, 13203-13208
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    Exfoliated BN shell-based high-frequency magnetic core–shell materials

    W. Zhang, K. Patel and S. Ren, Nanoscale, 2017, 9, 13203
    DOI: 10.1039/C7NR03801A

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