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γ-GeSe: A New Hexagonal Polymorph from Group IV-VI Monochalcogenides

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dc.contributor.authorSol Lee-
dc.contributor.authorJoong-Eon Jung-
dc.contributor.authorHan-gyu Kim-
dc.contributor.authorYangjin Lee-
dc.contributor.authorJe Myoung Park-
dc.contributor.authorJeongsu Jang-
dc.contributor.authorSangho Yoon-
dc.contributor.authorArnab Ghosh-
dc.contributor.authorMinseol Kim-
dc.contributor.authorJoonho Kim-
dc.contributor.authorWoongki Na-
dc.contributor.authorJonghwan Kim-
dc.contributor.authorHyoung Joon Choi-
dc.contributor.authorHyeonsik Cheong-
dc.contributor.authorKwanpyo Kim-
dc.date.accessioned2022-01-10T02:30:29Z-
dc.date.available2022-01-10T02:30:29Z-
dc.date.created2021-07-07-
dc.date.issued2021-05-26-
dc.identifier.issn1530-6984-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/11059-
dc.description.abstract© 2021 American Chemical Society. All rights reserved.The family of group IV-VI monochalcogenides has an atomically puckered layered structure, and their atomic bond configuration suggests the possibility for the realization of various polymorphs. Here, we report the synthesis of the first hexagonal polymorph from the family of group IV-VI monochalcogenides, which is conventionally orthorhombic. Recently predicted four-atomic-thick hexagonal GeSe, so-called γ-GeSe, is synthesized and clearly identified by complementary structural characterizations, including elemental analysis, electron diffraction, high-resolution transmission electron microscopy imaging, and polarized Raman spectroscopy. The electrical and optical measurements indicate that synthesized γ-GeSe exhibits high electrical conductivity of 3 × 105 S/m, which is comparable to those of other two-dimensional layered semimetallic crystals. Moreover, γ-GeSe can be directly grown on h-BN substrates, demonstrating a bottom-up approach for constructing vertical van der Waals heterostructures incorporating γ-GeSe. The newly identified crystal symmetry of γ-GeSe warrants further studies on various physical properties of γ-GeSe.-
dc.language영어-
dc.publisherAmerican Chemical Society-
dc.titleγ-GeSe: A New Hexagonal Polymorph from Group IV-VI Monochalcogenides-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000657242300023-
dc.identifier.scopusid2-s2.0-85106471972-
dc.identifier.rimsid76015-
dc.contributor.affiliatedAuthorSol Lee-
dc.contributor.affiliatedAuthorYangjin Lee-
dc.contributor.affiliatedAuthorKwanpyo Kim-
dc.identifier.doi10.1021/acs.nanolett.1c00714-
dc.identifier.bibliographicCitationNano Letters, v.21, no.10, pp.4305 - 4313-
dc.relation.isPartOfNano Letters-
dc.citation.titleNano Letters-
dc.citation.volume21-
dc.citation.number10-
dc.citation.startPage4305-
dc.citation.endPage4313-
dc.type.docTypeArticle-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.subject.keywordPlusQUASI-PARTICLE-
dc.subject.keywordPlus2-DIMENSIONAL MATERIALS-
dc.subject.keywordPlusPHASE-
dc.subject.keywordPlusSEMICONDUCTORS-
dc.subject.keywordPlusPHOSPHORUS-
dc.subject.keywordPlusTRANSITION-
dc.subject.keywordPlusPOLYTYPISM-
dc.subject.keywordPlusGROWTH-
dc.subject.keywordAuthorgroup IV-VI monochalcogenides-
dc.subject.keywordAuthorHexagonal GeSe-
dc.subject.keywordAuthornew polymorph-
dc.subject.keywordAuthorpolarized Raman spectroscopy-
dc.subject.keywordAuthortransmission electron microscopy-
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Center for Nanomedicine (나노의학 연구단) > 1. Journal Papers (저널논문)
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