000002330 001__ 2330 000002330 005__ 20230426083005.0 000002330 0247_ $$2DOI$$a10.1103/PhysRevB.77.115350 000002330 0247_ $$2WOS$$aWOS:000254542800146 000002330 0247_ $$2Handle$$a2128/11073 000002330 037__ $$aPreJuSER-2330 000002330 041__ $$aeng 000002330 082__ $$a530 000002330 084__ $$2WoS$$aPhysics, Condensed Matter 000002330 1001_ $$0P:(DE-HGF)0$$aIshida, H.$$b0 000002330 245__ $$aOrigin of metallicity of LaTiO3/SrTiO3 heterostructures 000002330 260__ $$aCollege Park, Md.$$bAPS$$c2008 000002330 300__ $$a11 000002330 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article 000002330 3367_ $$2DataCite$$aOutput Types/Journal article 000002330 3367_ $$00$$2EndNote$$aJournal Article 000002330 3367_ $$2BibTeX$$aARTICLE 000002330 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000002330 3367_ $$2DRIVER$$aarticle 000002330 440_0 $$04919$$aPhysical Review B$$v77$$x1098-0121 000002330 500__ $$aRecord converted from VDB: 12.11.2012 000002330 520__ $$aIt is shown that LaTiO3, in superlattices with SrTiO3, is a strongly correlated metal rather than a Mott insulator. The tetragonal lattice geometry imposed by the SrTiO3 substrate leads to an increase of the Ti 3dt(2g) bandwidth and a reversal of the t(2g) crystal field relative to the orthorhombic bulk geometry. Using dynamical mean field theory based on finite-temperature multiband exact diagonalization, we show that, as a result of these effects, local Coulomb interactions are not strong enough to induce a Mott transition in tetragonal LaTiO3. The experimentally observed metallicity of LaTiO3/SrTiO3 heterostructures is therefore caused not only by the interface but also by the tetragonal geometry of the LaTiO3 layers. 000002330 536__ $$0G:(DE-Juel1)FUEK414$$2G:(DE-HGF)$$aKondensierte Materie$$cP54$$x0 000002330 542__ $$2Crossref$$i2008-03-26$$uhttp://link.aps.org/licenses/aps-default-license 000002330 588__ $$aDataset connected to Web of Science 000002330 650_7 $$2WoSType$$aJ 000002330 7001_ $$0P:(DE-Juel1)VDB941$$aLiebsch, A.$$b1$$uFZJ 000002330 77318 $$2Crossref$$3journal-article$$a10.1103/physrevb.77.115350$$bAmerican Physical Society (APS)$$d2008-03-26$$n11$$p115350$$tPhysical Review B$$v77$$x1098-0121$$y2008 000002330 773__ $$0PERI:(DE-600)2844160-6$$a10.1103/PhysRevB.77.115350$$gVol. 77, p. 11$$n11$$p115350$$q77<11$$tPhysical review / B$$v77$$x1098-0121$$y2008 000002330 8567_ $$uhttp://dx.doi.org/10.1103/PhysRevB.77.115350 000002330 8564_ $$uhttps://juser.fz-juelich.de/record/2330/files/PhysRevB.77.115350.pdf$$yOpenAccess 000002330 8564_ $$uhttps://juser.fz-juelich.de/record/2330/files/PhysRevB.77.115350.gif?subformat=icon$$xicon$$yOpenAccess 000002330 8564_ $$uhttps://juser.fz-juelich.de/record/2330/files/PhysRevB.77.115350.jpg?subformat=icon-180$$xicon-180$$yOpenAccess 000002330 8564_ $$uhttps://juser.fz-juelich.de/record/2330/files/PhysRevB.77.115350.jpg?subformat=icon-700$$xicon-700$$yOpenAccess 000002330 8564_ $$uhttps://juser.fz-juelich.de/record/2330/files/PhysRevB.77.115350.pdf?subformat=pdfa$$xpdfa$$yOpenAccess 000002330 909CO $$ooai:juser.fz-juelich.de:2330$$pdnbdelivery$$pVDB$$pdriver$$popen_access$$popenaire 000002330 9131_ $$0G:(DE-Juel1)FUEK414$$bMaterie$$kP54$$lKondensierte Materie$$vKondensierte Materie$$x0$$zentfällt bis 2009 000002330 9141_ $$y2008 000002330 915__ $$0LIC:(DE-HGF)APS-112012$$2HGFVOC$$aAmerican Physical Society Transfer of Copyright Agreement 000002330 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess 000002330 915__ $$0StatID:(DE-HGF)0010$$aJCR/ISI refereed 000002330 9201_ $$0I:(DE-Juel1)VDB781$$d31.12.2010$$gIFF$$kIFF-1$$lQuanten-Theorie der Materialien$$x0 000002330 970__ $$aVDB:(DE-Juel1)105058 000002330 980__ $$aVDB 000002330 980__ $$aConvertedRecord 000002330 980__ $$ajournal 000002330 980__ $$aI:(DE-Juel1)PGI-1-20110106 000002330 980__ $$aUNRESTRICTED 000002330 9801_ $$aFullTexts 000002330 981__ $$aI:(DE-Juel1)PGI-1-20110106 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/RevModPhys.70.1039 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1038/nature00977 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1038/nature02308 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevLett.97.057601 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevLett.97.256803 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevB.76.115121 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevB.77.045122 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.2805222 000002330 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1002/pssa.200306686 000002330 999C5 $$1S. 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