Cation, magnetic, and charge ordering in MnFe3O5

K. H. Hong, A. M. Arevalo-lopez, Mauro Coduri, G. M. Mcnally, J. P. Attfield

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

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.
Original languageEnglish
JournalJournal of Materials Chemistry C Materials for optical and electronic devices
DOIs
Publication statusPublished - 16 Jan 2018

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