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KIM, Jung Hwa
다차원 탄소재료 연구단
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Defect-gradient-induced Rashba effect in van der Waals PtSe2 layers

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dc.contributor.authorJo, J.-
dc.contributor.authorJung Hwa Kim-
dc.contributor.authorChoong Hyun Kim-
dc.contributor.authorLee, J.-
dc.contributor.authorChoe, D.-
dc.contributor.authorOh, I.-
dc.contributor.authorLee, S.-
dc.contributor.authorZonghoon Lee-
dc.contributor.authorJin, H.-
dc.contributor.authorYoo, J.-W.-
dc.date.accessioned2022-08-02T22:00:50Z-
dc.date.available2022-08-02T22:00:50Z-
dc.date.created2022-07-22-
dc.date.issued2022-05-
dc.identifier.issn2041-1723-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/12140-
dc.description.abstractDefect engineering is one of the key technologies in materials science, enriching the modern semiconductor industry and providing good test-beds for solid-state physics. While homogenous doping prevails in conventional defect engineering, various artificial defect distributions have been predicted to induce desired physical properties in host materials, especially associated with symmetry breakings. Here, we show layer-by-layer defect-gradients in two-dimensional PtSe2 films developed by selective plasma treatments, which break spatial inversion symmetry and give rise to the Rashba effect. Scanning transmission electron microscopy analyses reveal that Se vacancies extend down to 7 nm from the surface and Se/Pt ratio exhibits linear variation along the layers. The Rashba effect induced by broken inversion symmetry is demonstrated through the observations of nonreciprocal transport behaviors and first-principles density functional theory calculations. Our methodology paves the way for functional defect engineering that entangles spin and momentum of itinerant electrons for emerging electronic applications. © 2022, The Author(s).-
dc.language영어-
dc.publisherNature Research-
dc.titleDefect-gradient-induced Rashba effect in van der Waals PtSe2 layers-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000798347800048-
dc.identifier.scopusid2-s2.0-85130356697-
dc.identifier.rimsid78540-
dc.contributor.affiliatedAuthorJung Hwa Kim-
dc.contributor.affiliatedAuthorChoong Hyun Kim-
dc.contributor.affiliatedAuthorZonghoon Lee-
dc.identifier.doi10.1038/s41467-022-30414-4-
dc.identifier.bibliographicCitationNature Communications, v.13, no.1-
dc.relation.isPartOfNature Communications-
dc.citation.titleNature Communications-
dc.citation.volume13-
dc.citation.number1-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalWebOfScienceCategoryMultidisciplinary Sciences-
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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