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강상관계 물질 연구단
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Direct visualization and control of SrOx segregation on semiconducting Nb doped SrTiO3 (100) surface

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dc.contributor.authorYoo, Hyang Keun-
dc.contributor.authorSchwarz, Daniel-
dc.contributor.authorUlstrup, Soren-
dc.contributor.authorWoojin Kim-
dc.contributor.authorJozwiak, Chris-
dc.contributor.authorBostwick, Aaron-
dc.contributor.authorTae Won Noh-
dc.contributor.authorRotenberg, Eli-
dc.contributor.authorChang, Young Jun-
dc.date.accessioned2022-07-28T04:41:44Z-
dc.date.available2022-07-28T04:41:44Z-
dc.date.created2022-05-10-
dc.date.issued2022-06-
dc.identifier.issn0374-4884-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/11922-
dc.description.abstractWe investigated how SrOx segregates on a Nb doped SrTiO3 (100) surface by in air annealing. Using atomic force and photoemission electron microscopes, we can directly visualize the morphology and the electronic phase changes with SrOx segregation. SrOx islands less than 2 mu m in size and 1-5 unit cells thick nucleate first and grow in a labyrinth domain pattern. After prolonged annealing, SrOx forms a similar to 10 nm thick film. We show that the domain pattern can be controlled by introducing a surface miscut angle of SrTiO3. Additionally, the segregated SrOx has a lower work function, compared to that of SrTiO3. These results suggest that the control and tunability of SrOx segregation is applicable to the design of a new functional electronic devices in the semiconducting SrTiO3 based heterostructure.-
dc.language영어-
dc.publisherKOREAN PHYSICAL SOC-
dc.titleDirect visualization and control of SrOx segregation on semiconducting Nb doped SrTiO3 (100) surface-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000784863400001-
dc.identifier.scopusid2-s2.0-85129246910-
dc.identifier.rimsid78149-
dc.contributor.affiliatedAuthorWoojin Kim-
dc.contributor.affiliatedAuthorTae Won Noh-
dc.identifier.doi10.1007/s40042-022-00471-5-
dc.identifier.bibliographicCitationJOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.80, no.11, pp.1042 - 1047-
dc.relation.isPartOfJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.citation.titleJOURNAL OF THE KOREAN PHYSICAL SOCIETY-
dc.citation.volume80-
dc.citation.number11-
dc.citation.startPage1042-
dc.citation.endPage1047-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.description.journalRegisteredClasskci-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryPhysics, Multidisciplinary-
dc.subject.keywordPlusELECTRON-GAS-
dc.subject.keywordPlusFRICTION FORCE-
dc.subject.keywordPlusGROWTH-
dc.subject.keywordPlusPEROVSKITES-
dc.subject.keywordAuthorSrTiO3-
dc.subject.keywordAuthorSrOx-
dc.subject.keywordAuthorSurface segregation-
dc.subject.keywordAuthorPhotoemission electron microscope-
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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