Abstract

Insulator-metal transition in Fe3O4 is analysed on the basis of electron-electron correlation of nearest neighbour sites. A double time Zubarev Green function technique is used. It is shown that up to 120 °K system stays in a localised state and then goes into the band-state. The band-state completely disorders itself at 300 °K. Conductivity and thin film data are briefly analysed.

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