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dc.contributor.authorKim, Taeyueb-
dc.contributor.authorKim, Shin-Ik-
dc.contributor.authorJoo, Sungjung-
dc.contributor.authorKim, Sangsu-
dc.contributor.authorJeon, Jeehoon-
dc.contributor.authorHong, Jinki-
dc.contributor.authorDoh, Yong-Joo-
dc.contributor.authorBaek, Seung-Hyub-
dc.contributor.authorKoo, Hyun Cheol-
dc.date.accessioned2024-01-19T22:03:03Z-
dc.date.available2024-01-19T22:03:03Z-
dc.date.created2021-09-03-
dc.date.issued2018-08-01-
dc.identifier.issn2045-2322-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/121050-
dc.description.abstractWe experimentally investigated the transport properties near metal electrodes installed on a conducting channel in a LaAlO3/SrTiO3 interface. The local region around the Ti and Al electrodes has a higher electrical conductance than that of other regions, where the upper limits of the temperature and magnetic field can be well defined. Beyond these limits, the conductance abruptly decreases, as in the case of a superconductor. The samples with the Ti- or Al-electrode have an upper-limit temperature of approximately 4 K, which is 10 times higher than the conventional superconducting critical temperature of LaAlO3/SrTiO3 interfaces and delta-doped SrTiO3. This phenomenon is explained by the mechanism of electron transfer between the metal electrodes and electronic d-orbitals in the LaAlO3/SrTiO3 interface. The transferred electrons trigger a phase transition to a superconductor-like state. Our results contribute to the deep understanding of the superconductivity in the LaAlO3/SrTiO3 interface and will be helpful for the development of high-temperature interface superconductors.-
dc.languageEnglish-
dc.publisherNATURE PUBLISHING GROUP-
dc.subjectCOEXISTENCE-
dc.subjectGAS-
dc.titleA possible superconductor-like state at elevated temperatures near metal electrodes in an LaAlO3/SrTiO3 interface-
dc.typeArticle-
dc.identifier.doi10.1038/s41598-018-29945-y-
dc.description.journalClass1-
dc.identifier.bibliographicCitationSCIENTIFIC REPORTS, v.8-
dc.citation.titleSCIENTIFIC REPORTS-
dc.citation.volume8-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000440411900007-
dc.identifier.scopusid2-s2.0-85050996214-
dc.relation.journalWebOfScienceCategoryMultidisciplinary Sciences-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.type.docTypeArticle-
dc.subject.keywordPlusCOEXISTENCE-
dc.subject.keywordPlusGAS-
dc.subject.keywordAuthorLaAlO3/SrTiO3-
dc.subject.keywordAuthorsuperconductor-like-
dc.subject.keywordAuthormagnetoresistance-
dc.subject.keywordAuthorelectron transfer-
dc.subject.keywordAuthorphase transition-
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