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강상관계물질연구단
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Lifshitz-transition-driven metal-insulator transition in moderately spin-orbit-coupled Sr2-xLaxRhO4

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dc.contributor.authorJunyoung Kwon-
dc.contributor.authorMinsoo Kim-
dc.contributor.authorDongjoon Song-
dc.contributor.authorYoshiyuki Yoshida-
dc.contributor.authorJonathan Denlinger-
dc.contributor.authorWonshik Kyung-
dc.contributor.authorChangyoung Kim-
dc.date.available2020-01-31T00:54:55Z-
dc.date.created2019-10-21-
dc.date.issued2019-09-
dc.identifier.issn0031-9007-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/6872-
dc.description.abstract© 2019 American Physical Society.Motivated by the novel insulating state of Sr2IrO4 from strong spin-orbit coupling (SOC), we investigate, by means of angle resolved photoemission, the metal-insulator transition (MIT) mechanism in Sr2-xLaxRhO4 whose mother compound is isovalent and isostructural but has smaller SOC strength compared to Sr2IrO4. Transport and angle resolved photoemission results from single crystalline Sr2-xLaxRhO4 revealed that the MIT occurs coincidentally with a multi-to single-band transition (Lifshitz transition) at x=0.4. Starting from x=0.4, there is a gradual but anomalous enhancement in the band gap size with additional electron doping, suggesting that the insulating phase in Sr2-xLaxRhO4 is a new type which has been rarely investigated. These results suggest that the insulating phase in Sr2-xLaxRhO4 is likely induced by the moderate SOC strength and electron doping effect from the La. Our findings not only elucidate the MIT mechanism in Sr2-xLaxRhO4, but may also open new avenues for novel MIT research in moderate SOC regimes-
dc.description.uri1-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleLifshitz-transition-driven metal-insulator transition in moderately spin-orbit-coupled Sr2-xLaxRhO4-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000483807800002-
dc.identifier.scopusid2-s2.0-85072663722-
dc.identifier.rimsid70158-
dc.contributor.affiliatedAuthorJunyoung Kwon-
dc.contributor.affiliatedAuthorMinsoo Kim-
dc.contributor.affiliatedAuthorDongjoon Song-
dc.contributor.affiliatedAuthorWonshik Kyung-
dc.contributor.affiliatedAuthorChangyoung Kim-
dc.identifier.doi10.1103/PhysRevLett.123.106401-
dc.identifier.bibliographicCitationPHYSICAL REVIEW LETTERS, v.123, no.10, pp.106401-
dc.citation.titlePHYSICAL REVIEW LETTERS-
dc.citation.volume123-
dc.citation.number10-
dc.citation.startPage106401-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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