Journal
EPL
Volume 84, Issue 2, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1209/0295-5075/84/27001
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Funding
- Dutch Ministry of Economic Affairs
- Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO)
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Using local density approximation (LDA) calculations we predict GdFeO3-like rotation of TiO6 octahedra at the n-type interface between LaAlO3 and SrTiO3. This results in a narrowing of the Ti d bandwidth by 1/3 so that LDA + U calculations predict an antiferromagnetic, charge- and spin-ordered ground state for very modest values of U. Recent experimental evidence for magnetic interface ordering may be understood in terms of the close proximity of an antiferromagnetic insulating ground state to a ferromagnetic metallic excited state. Copyright (c) EPLA, 2008
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