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Electronic Lieb lattice signatures embedded in two-dimensional polymers with a square lattice

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dc.contributor.authorYingying Zhang-
dc.contributor.authorShuangjie Zhao-
dc.contributor.authorMiroslav Položij-
dc.contributor.authorThomas Heine-
dc.date.accessioned2024-05-07T08:30:12Z-
dc.date.available2024-05-07T08:30:12Z-
dc.date.created2024-04-08-
dc.date.issued2024-03-
dc.identifier.issn2041-6520-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/15140-
dc.description.abstractExotic band features, such as Dirac cones and flat bands, arise directly from the lattice symmetry of materials. The Lieb lattice is one of the most intriguing topologies, because it possesses both Dirac cones and flat bands which intersect at the Fermi level. However, the synthesis of Lieb lattice materials remains a challenging task. Here, we explore two-dimensional polymers (2DPs) derived from zinc-phthalocyanine (ZnPc) building blocks with a square lattice (sql) as potential electronic Lieb lattice materials. By systematically varying the linker length (ZnPc-xP), we found that some ZnPc-xP exhibit a characteristic Lieb lattice band structure. Interestingly though, fes bands are also observed in ZnPc-xP. The coexistence of fes and Lieb in sql 2DPs challenges the conventional perception of the structure-electronic structure relationship. In addition, we show that manipulation of the Fermi level, achieved by electron removal or atom substitution, effectively preserves the unique characteristics of Lieb bands. The Lieb Dirac bands of ZnPc-4P shows a non-zero Chern number. Our discoveries provide a fresh perspective on 2DPs and redefine the search for Lieb lattice materials into a well-defined chemical synthesis task.-
dc.language영어-
dc.publisherRoyal Society of Chemistry-
dc.titleElectronic Lieb lattice signatures embedded in two-dimensional polymers with a square lattice-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid001190343300001-
dc.identifier.scopusid2-s2.0-85188740757-
dc.identifier.rimsid82862-
dc.contributor.affiliatedAuthorThomas Heine-
dc.identifier.doi10.1039/d3sc06367d-
dc.identifier.bibliographicCitationChemical Science, v.15, pp.5757 - 5763-
dc.relation.isPartOfChemical Science-
dc.citation.titleChemical Science-
dc.citation.volume15-
dc.citation.startPage5757-
dc.citation.endPage5763-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessY-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
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Center for Nanomedicine (나노의학 연구단) > 1. Journal Papers (저널논문)
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