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Cation, magnetic, and charge ordering in MnFe3O5

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Abstract

The recently-discovered high pressure material MnFe3O5 displays a rich variety of magnetically ordered states on cooling. Fe spins order antiferromagnetically below a Néel transition at 350 K. A second transition at 150 K marks Mn spin order that leads to spin canting of some of the Fe spins and ferrimagnetism. A further transition at 60 K is driven by charge ordering of Fe2+ and Fe3+ over two inequivalent Fe sites, with further canting of all spins. Electrical resistivity measurements reveal semiconducting behaviour in MnFe3O5 with a change in activation energy at 285 K.

Graphical abstract: Cation, magnetic, and charge ordering in MnFe3O5

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Publication details

The article was received on 04 Jan 2018, accepted on 16 Jan 2018 and first published on 16 Jan 2018


Article type: Paper
DOI: 10.1039/C8TC00053K
Citation: J. Mater. Chem. C, 2018, Advance Article
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    Cation, magnetic, and charge ordering in MnFe3O5

    K. H. Hong, A. M. Arevalo-Lopez, M. Coduri, G. M. McNally and J. P. Attfield, J. Mater. Chem. C, 2018, Advance Article , DOI: 10.1039/C8TC00053K

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