000155485 001__ 155485
000155485 005__ 20230426083112.0
000155485 0247_ $$2doi$$a10.1103/PhysRevB.89.241401
000155485 0247_ $$2ISSN$$a0163-1829
000155485 0247_ $$2ISSN$$a1095-3795
000155485 0247_ $$2ISSN$$a1550-235X
000155485 0247_ $$2ISSN$$a0556-2805
000155485 0247_ $$2ISSN$$a1098-0121
000155485 0247_ $$2WOS$$aWOS:000336917700001
000155485 0247_ $$2Handle$$a2128/9120
000155485 037__ $$aFZJ-2014-04651
000155485 082__ $$a530
000155485 1001_ $$0P:(DE-HGF)0$$aDe Souza, R. A.$$b0$$eCorresponding Author
000155485 245__ $$aFinite-size versus interface-proximity effects in thin-film epitaxial $SrTiO_3$
000155485 260__ $$aCollege Park, Md.$$bAPS$$c2014
000155485 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1410959032_3809
000155485 3367_ $$2DataCite$$aOutput Types/Journal article
000155485 3367_ $$00$$2EndNote$$aJournal Article
000155485 3367_ $$2BibTeX$$aARTICLE
000155485 3367_ $$2ORCID$$aJOURNAL_ARTICLE
000155485 3367_ $$2DRIVER$$aarticle
000155485 520__ $$aThe equilibrium electrical conductivity of epitaxial SrTiO3 (STO) thin films was investigated as a function of temperature, 950≤ T/K ≤1100, and oxygen partial pressure, 10−23≤ pO2/bar ≤1. Compared with single-crystal STO, nanoscale thin-film STO exhibited with decreasing film thickness an increasingly enhanced electronic conductivity under highly reducing conditions, with a corresponding decrease in the activation enthalpy of conduction. This implies substantial modification of STO's point-defect thermodynamics for nanoscale film thicknesses. We argue, however, against such a finite-size effect and for an interface-proximity effect. Indeed, assuming trapping of oxygen vacancies at the STO surface and concomitant depletion of oxygen vacancies—and accumulation of electrons—in an equilibrium surface space-charge layer, we are able to predict quantitatively the conductivity as a function of temperature, oxygen partial pressure, and film thickness. Particularly complex behavior is predicted for ultrathin films that are consumed entirely by space charge.
000155485 536__ $$0G:(DE-HGF)POF2-424$$a424 - Exploratory materials and phenomena (POF2-424)$$cPOF2-424$$fPOF II$$x0
000155485 542__ $$2Crossref$$i2014-06-04$$uhttp://link.aps.org/licenses/aps-default-license
000155485 588__ $$aDataset connected to CrossRef, juser.fz-juelich.de
000155485 7001_ $$0P:(DE-Juel1)130677$$aGunkel, F.$$b1$$ufzj
000155485 7001_ $$0P:(DE-Juel1)130717$$aHoffmann-Eifert, S.$$b2$$ufzj
000155485 7001_ $$0P:(DE-Juel1)130620$$aDittmann, R.$$b3$$ufzj
000155485 77318 $$2Crossref$$3journal-article$$a10.1103/physrevb.89.241401$$bAmerican Physical Society (APS)$$d2014-06-04$$n24$$p241401$$tPhysical Review B$$v89$$x1098-0121$$y2014
000155485 773__ $$0PERI:(DE-600)2844160-6$$a10.1103/PhysRevB.89.241401$$gVol. 89, no. 24, p. 241401$$n24$$p241401$$tPhysical review / B$$v89$$x1098-0121$$y2014
000155485 8564_ $$uhttps://juser.fz-juelich.de/record/155485/files/FZJ-2014-04651.pdf$$yOpenAccess
000155485 909CO $$ooai:juser.fz-juelich.de:155485$$pdnbdelivery$$pVDB$$pdriver$$popen_access$$popenaire
000155485 915__ $$0StatID:(DE-HGF)0010$$2StatID$$aJCR/ISI refereed
000155485 915__ $$0StatID:(DE-HGF)0100$$2StatID$$aJCR
000155485 915__ $$0StatID:(DE-HGF)0110$$2StatID$$aWoS$$bScience Citation Index
000155485 915__ $$0StatID:(DE-HGF)0111$$2StatID$$aWoS$$bScience Citation Index Expanded
000155485 915__ $$0StatID:(DE-HGF)0150$$2StatID$$aDBCoverage$$bWeb of Science Core Collection
000155485 915__ $$0StatID:(DE-HGF)0199$$2StatID$$aDBCoverage$$bThomson Reuters Master Journal List
000155485 915__ $$0StatID:(DE-HGF)0200$$2StatID$$aDBCoverage$$bSCOPUS
000155485 915__ $$0StatID:(DE-HGF)0300$$2StatID$$aDBCoverage$$bMedline
000155485 915__ $$0StatID:(DE-HGF)0420$$2StatID$$aNationallizenz
000155485 915__ $$0StatID:(DE-HGF)1020$$2StatID$$aDBCoverage$$bCurrent Contents - Social and Behavioral Sciences
000155485 915__ $$0StatID:(DE-HGF)0510$$2StatID$$aOpenAccess
000155485 915__ $$0LIC:(DE-HGF)APS-112012$$2HGFVOC$$aAmerican Physical Society Transfer of Copyright Agreement
000155485 9141_ $$y2014
000155485 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130677$$aForschungszentrum Jülich GmbH$$b1$$kFZJ
000155485 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130717$$aForschungszentrum Jülich GmbH$$b2$$kFZJ
000155485 9101_ $$0I:(DE-588b)5008462-8$$6P:(DE-Juel1)130620$$aForschungszentrum Jülich GmbH$$b3$$kFZJ
000155485 9132_ $$0G:(DE-HGF)POF3-524$$1G:(DE-HGF)POF3-520$$2G:(DE-HGF)POF3-500$$aDE-HGF$$bPOF III$$lKey Technologies$$vFuture Information Technology - Fundamentals, Novel Concepts and Energy Efficiency (FIT)$$x0
000155485 9131_ $$0G:(DE-HGF)POF2-424$$1G:(DE-HGF)POF2-420$$2G:(DE-HGF)POF2-400$$3G:(DE-HGF)POF2$$4G:(DE-HGF)POF$$aDE-HGF$$bSchlüsseltechnologien$$lGrundlagen zukünftiger Informationstechnologien$$vExploratory materials and phenomena$$x0
000155485 9201_ $$0I:(DE-Juel1)PGI-7-20110106$$kPGI-7$$lElektronische Materialien$$x0
000155485 980__ $$ajournal
000155485 980__ $$aVDB
000155485 980__ $$aUNRESTRICTED
000155485 980__ $$aI:(DE-Juel1)PGI-7-20110106
000155485 9801_ $$aFullTexts
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1126/science.1181862
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1126/science.1182541
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1002/adma.200900375
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1080/00018732.2010.534865
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1126/science.1243098
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1038/35023243
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1126/science.1126230
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1002/pssr.200701003
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.1534619
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1038/nature08128
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/S0040-6090(96)09508-9
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.1880443
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.2972135
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/j.actamat.2009.09.024
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1111/j.1551-2916.2006.01178.x
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1149/1.2716555
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.1864232
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1002/ange.201003917
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/j.actamat.2012.11.049
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.2921972
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.3243696
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevLett.105.226102
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.3679139
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1111/j.1151-2916.1988.tb05848.x
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1111/j.1151-2916.1997.tb03157.x
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1111/j.1151-2916.1991.tb07812.x
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.3457386
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevB.85.174109
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRev.161.822
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRev.155.796
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1038/nmat2750
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1002/cphc.201100129
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1039/b904100a
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/S1359-6454(99)00367-5
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1111/j.1151-2916.2000.tb01343.x
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/0167-2738(81)90017-5
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/0022-4596(85)90264-6
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/0079-6786(95)00004-E
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1016/j.ssi.2005.12.024
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1063/1.1668329
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevLett.107.106801
000155485 999C5 $$2Crossref$$9-- missing cx lookup --$$a10.1103/PhysRevLett.90.105901