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Carrier-density control of the SrTiO3 (001) surface 2DEG studied by ARPES

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dc.contributor.authorMcKeown Walker, Siobhan Ellen
dc.contributor.authorBruno, Flavio Y
dc.contributor.authorWang, Zhiming
dc.contributor.authorde la Torre, Alberto
dc.contributor.authorRiccó, Sara
dc.contributor.authorTamai, Anna
dc.contributor.authorKim, Timur
dc.contributor.authorHoesch, Moritz
dc.contributor.authorShi, Ming
dc.contributor.authorBahramy, Mohammed Saeed
dc.contributor.authorKing, Phil
dc.contributor.authorBaumberger, Felix
dc.date.accessioned2016-05-21T23:32:19Z
dc.date.available2016-05-21T23:32:19Z
dc.date.issued2015
dc.identifier184465346
dc.identifier7f3e1aec-79c4-4578-b267-de61a8246f94
dc.identifier85027920305
dc.identifier000357688900006
dc.identifier.citationMcKeown Walker , S E , Bruno , F Y , Wang , Z , de la Torre , A , Riccó , S , Tamai , A , Kim , T , Hoesch , M , Shi , M , Bahramy , M S , King , P & Baumberger , F 2015 , ' Carrier-density control of the SrTiO 3 (001) surface 2DEG studied by ARPES ' , Advanced Materials , vol. 27 , no. 26 , 27 , pp. 3894-3899 . https://doi.org/10.1002/adma.201501556en
dc.identifier.issn0935-9648
dc.identifier.urihttps://hdl.handle.net/10023/8849
dc.descriptionThis work was supported by the Swiss National Science Foundation (200021-146995). P. D. C. K was supported by the UK-EPSRC (EP/I031014/1) and the Royal Society. M. S. B was supported by Grant-in-Aid for Scientific Research from the Ministry of Education, Culture, Sports, Science and Technology of Japan.en
dc.description.abstractThe origin of the 2D electron gas (2DEG)stabilized at the bare surface of SrTiO3 (001) is investigated. Using high-resolution angle-resolved photoemission and core-level spectroscopy, it is shown conclusively that this 2DEG arises from light-induced oxygen vacancies. The dominant mechanism driving vacancy formation is identified, allowing unprecedented control over the 2DEG carrier density.
dc.format.extent2708125
dc.language.isoeng
dc.relation.ispartofAdvanced Materialsen
dc.subjectStrontium titanateen
dc.subjectAngle resolved photoemission spectroscopyen
dc.subjectTwo-dimensional electron gasen
dc.subjectOxygen vacanciesen
dc.subjectQC Physicsen
dc.subjectDASen
dc.subject.lccQCen
dc.titleCarrier-density control of the SrTiO3 (001) surface 2DEG studied by ARPESen
dc.typeJournal articleen
dc.contributor.sponsorThe Royal Societyen
dc.contributor.sponsorEPSRCen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.identifier.doi10.1002/adma.201501556
dc.description.statusPeer revieweden
dc.date.embargoedUntil2016-05-22
dc.identifier.urlhttp://onlinelibrary.wiley.com/doi/10.1002/adma.201501556/full#footer-support-infoen
dc.identifier.grantnumberUF120096en
dc.identifier.grantnumberEP/I031014/1en


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