Calculations of Solid Properties Using Wien2k Package
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Calculations of Solid Properties Using Wien2k Package

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Crystal Structure of Magnetite Fe3O4 ( spinel structure )

Calculations of Solid Properties Using Wien2k Package :: CRYSTAL STRUCTURES :: MATERIAL'S STRUCTURES

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Crystal Structure of Magnetite Fe3O4 ( spinel structure ) Empty Crystal Structure of Magnetite Fe3O4 ( spinel structure )

Post by Algerien1970 Fri 22 May - 2:16

Magnetite, Fe3O4 crystallizes with the spinel structure. The large oxygen ions are close packed in a cubic arrangement and the smaller Fe ions fill in the gaps. The gaps come in two flavors:

tetrahedral site: Fe ion is surrounded by four oxygens

octahedral site: Fe ion is surrounded by six oxygens

The tetrahedral and octahedral sites form the two magnetic sublattices, A and B respectively. The spins on the A sublattice are antiparallel to those on the B sublattice. The two crystal sites are very different and result in complex forms of exchange interactions of the iron ions between and within the two types of sites.


Crystal Structure of Magnetite Fe3O4 ( spinel structure ) 10433157_10206425458897797_2599317077263654729_n
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Calculations of Solid Properties Using Wien2k Package :: CRYSTAL STRUCTURES :: MATERIAL'S STRUCTURES

 
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