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Ab initio study of charge order in Fe3O4

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arxiv cond-mat/0302229 v2 pith:EX4VNQCH submitted 2003-02-12 cond-mat.str-el cond-mat.mtrl-sci

Ab initio study of charge order in Fe3O4

classification cond-mat.str-el cond-mat.mtrl-sci
keywords chargeorderstructurecubicmagnetiteorthorhombicapproximationcompound
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We present a self-interaction corrected local spin density (SIC-LSD) study of the electronic structure and possible charge order of magnetite, Fe$_{3}$O$_{4}$. The issue of charge order in magnetite is explored in both cubic and orthorhombic structures, the latter being an approximation to the true, low temperature, monoclinic structure. We find that the Verwey charge ordered phase is not the groundstate solution for this compound neither in cubic nor orthorhombic structure.

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