Multiple Ordering in Magnetite

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1973 English Publisher:American Physical Society (APS)Journal:Physical Review B, volume 7, pages 397-402 (issn: 0556-2805,

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Authors: James R. Cullen; Earl R. Callen;

doi: 10.1103/physrevb.7.397

Multiple Ordering in Magnetite

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Abstract

Results of a self-consistent band calculation of the ground-state energy and charge orderings based on a tight-binding scheme in magnetite are presented. They show that below a critical (about 2.2) value of the ratio of interatomic Coulomb energy to bandwidth the lowest energy state has no order. Between this critical value and 2.5, the preferred state is multiply ordered.

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