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Issue 27, 2017
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Improved magnetic and magnetoelectric properties in BaFe12O19 nanostructures

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Abstract

The structural, magnetic and magnetoelectric properties were investigated for sol–gel prepared BaFe12O19 nanorods and plate-like nanoparticles. Based on comparative experiments with bulk ceramics, it is found that larger structural distortion is present in nanostructures, which could cause the enhancement of magnetocrystalline anisotropy and the off-center displacement of Fe3+ ions, and thus result in improved magnetic and magnetoelectric properties in BaFe12O19 plate-like nanoparticles. Meanwhile, the local (Fe2+–Fe3+) dipoles, which usually appear during a high temperature sintering process, can also contribute to the negative magnetoelectric effect of BaFe12O19 nanorods and a large room temperature magnetodielectric coefficient of about −13% is observed at 104 Hz and 9 kOe.

Graphical abstract: Improved magnetic and magnetoelectric properties in BaFe12O19 nanostructures

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Publication details

The article was received on 08 Apr 2017, accepted on 15 Jun 2017 and first published on 15 Jun 2017


Article type: Paper
DOI: 10.1039/C7CP02276J
Citation: Phys. Chem. Chem. Phys., 2017,19, 18023-18029
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    Improved magnetic and magnetoelectric properties in BaFe12O19 nanostructures

    X. Xu, F. Huang, Y. Shao, M. Zhou, X. Ren, X. Lu and J. Zhu, Phys. Chem. Chem. Phys., 2017, 19, 18023
    DOI: 10.1039/C7CP02276J

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