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강상관계물질연구단
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Ferromagnetic insulating substrate for magnetic proximity studies: LaCoO3 thin film

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dc.contributor.authorYeonjae Lee-
dc.contributor.authorYoungdo Kim-
dc.contributor.authorLee, Sangjae-
dc.contributor.authorChangyoung Kim-
dc.date.accessioned2024-03-15T22:01:34Z-
dc.date.available2024-03-15T22:01:34Z-
dc.date.created2024-01-15-
dc.date.issued2024-01-
dc.identifier.issn0957-4484-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/14924-
dc.description.abstractFerromagnetic insulators (FMIs) are intriguing not only due to their rare nature, but also due to their potential applications in spintronics and various electronic devices. One of its key promising applications is based on an FMI-induced magnetic proximity effect, which can impose an effective time-reversal symmetry breaking on the target ultrathin layer to realize novel emergent phenomena. Here, we conduct systematic studies on thin film LaCoO3, an insulator known to be ferromagnet under tensile strain, with varying thicknesses, to establish it as an FMI platform to be integrated in heterostructures. The optimal thickness of the LaCoO3 layer, providing a smooth surface and robust ferromagnetism with large remanence, is determined. A heterostructure consisting of an ultrathin target layer (2 uc SrRuO3), the LaCoO3 FMI layer, and the La0.5Sr0.5CoO3 conducting layer has been fabricated and the angle-resolved photoemission spectroscopy measurement on the multi-layer system demonstrates a sharp Fermi edge and a well-defined Fermi surface without the charging effect. This demonstrates the feasibility of the proposed heterostructure using LaCoO3 thin film as the FMI layer, and further lays a groundwork to investigate the magnetic proximity induced phases in quantum materials.-
dc.language영어-
dc.publisherInstitute of Physics Publishing-
dc.titleFerromagnetic insulating substrate for magnetic proximity studies: LaCoO<sub>3</sub> thin film-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid001136660500001-
dc.identifier.scopusid2-s2.0-85181767476-
dc.identifier.rimsid82371-
dc.contributor.affiliatedAuthorYeonjae Lee-
dc.contributor.affiliatedAuthorYoungdo Kim-
dc.contributor.affiliatedAuthorChangyoung Kim-
dc.identifier.doi10.1088/1361-6528/ad13bd-
dc.identifier.bibliographicCitationNanotechnology, v.35, no.12-
dc.relation.isPartOfNanotechnology-
dc.citation.titleNanotechnology-
dc.citation.volume35-
dc.citation.number12-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.subject.keywordPlusSUPERCONDUCTIVITY-
dc.subject.keywordAuthorpulsed laser deposition-
dc.subject.keywordAuthorferromagnetic insulator-
dc.subject.keywordAuthormagnetic proximity effect-
dc.subject.keywordAuthorangle-resolved photoemission spectroscopy-
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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