Substrate effects on V2O3 thin films

Details Substrate effects on V2O3 thin films Substrate effects on V2O3 thin films

2008-12-12

arxiv.org/abs/0812.2382v1

Surf. Science 603, L19-L21 (2009)

Physics

Condensed Matter

Strongly Correlated Electrons

10 pages, 2 figures, more information at http://www.physik.uni-augsburg.de/~eyert/

Scientific paper

10.1016/j.susc.2008.11.033

We apply density functional theory and the augmented spherical wave method to analyze the electronic structure of V2O3 in the vicinity of an interface to Al2O3. The interface is modeled by a heterostructure setup of alternating vanadate and aluminate slabs. We focus on the possible modifications of the V2O3 electronic states in this geometry, induced by the presence of the aluminate layers. In particular, we find that the tendency of the V 3d states to localize is enhanced and may even cause a metal-insulator transition.

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