Issue 13, 2018

Cation, magnetic, and charge ordering in MnFe3O5

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

Supplementary files

Article information

Article type
Paper
Submitted
04 Jan 2018
Accepted
16 Jan 2018
First published
16 Jan 2018
This article is Open Access
Creative Commons BY-NC license

J. Mater. Chem. C, 2018,6, 3271-3275

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, 6, 3271 DOI: 10.1039/C8TC00053K

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