Charge order and three-site distortions in the Verwey structure of magnetite

Mark S. Senn, Jon P. Wright () and J. Paul Attfield ()
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Mark S. Senn: Centre for Science at Extreme Conditions and School of Chemistry, University of Edinburgh, West Mains Road, Edinburgh EH9 3JZ, UK
Jon P. Wright: European Synchrotron Radiation Facility, 6 rue Jules Horowitz, BP 220, 38043 Grenoble Cedex 9, France
J. Paul Attfield: Centre for Science at Extreme Conditions and School of Chemistry, University of Edinburgh, West Mains Road, Edinburgh EH9 3JZ, UK

Nature, 2012, vol. 481, issue 7380, 173-176

Abstract: X-ray diffraction is used to show that the structural distortion of magnetite below 125 kelvin is to a first approximation caused by charge ordering of its constituent iron ions, but that the localized electrons are distributed over three iron sites to form ‘trimeron’ quasiparticles.

Date: 2012
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DOI: 10.1038/nature10704

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