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DC Field | Value | Language |
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dc.citation.number | 3 | - |
dc.citation.startPage | 035141 | - |
dc.citation.title | PHYSICAL REVIEW B | - |
dc.citation.volume | 93 | - |
dc.contributor.author | Yoo, Hyang Keun | - |
dc.contributor.author | Hyun, Seung Ill | - |
dc.contributor.author | Chang, Young Jun | - |
dc.contributor.author | Moreschini, Luca | - |
dc.contributor.author | Sohn, Chang Hee | - |
dc.contributor.author | Kim, Hyeong-Do | - |
dc.contributor.author | Bostwick, Aaron | - |
dc.contributor.author | Rotenberg, Eli | - |
dc.contributor.author | Shim, Ji Hoon | - |
dc.contributor.author | Noh, Tae Won | - |
dc.date.accessioned | 2023-12-22T00:12:01Z | - |
dc.date.available | 2023-12-22T00:12:01Z | - |
dc.date.created | 2019-03-07 | - |
dc.date.issued | 2016-01 | - |
dc.description.abstract | We investigated electronic-structure changes of tensile-strained ultrathin LaNiO3 (LNO) films from ten to one unit cells (UCs) using angle-resolved photoemission spectroscopy (ARPES). We found that there is a critical thickness t(c) between four and three UCs below which Ni e(g) electrons are confined in two-dimensional space. Furthermore, the Fermi surfaces (FSs) of LNO films below t(c) consist of two orthogonal pairs of one-dimensional (1D) straight parallel lines. Such a feature is not accidental as observed in constant-energy surfaces at all binding energies, which is not explained by first-principles calculations or the dynamical mean-field theory. The ARPES spectra also show anomalous spectral behaviors, such as no quasiparticle peak at the Fermi momentum but fast band dispersion comparable to the bare-band one, which is typical in a 1D system. As its possible origin, we propose 1D FS nesting, which also accounts for FS superstructures observed in ARPES. | - |
dc.identifier.bibliographicCitation | PHYSICAL REVIEW B, v.93, no.3, pp.035141 | - |
dc.identifier.doi | 10.1103/PhysRevB.93.035141 | - |
dc.identifier.issn | 2469-9950 | - |
dc.identifier.scopusid | 2-s2.0-85000347753 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/26310 | - |
dc.identifier.url | https://journals.aps.org/prb/abstract/10.1103/PhysRevB.93.035141 | - |
dc.identifier.wosid | 000369221300002 | - |
dc.language | 영어 | - |
dc.publisher | AMER PHYSICAL SOC | - |
dc.title | Thickness-dependent electronic structure in ultrathin LaNiO3 films under tensile strain | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary; Physics, Applied; Physics, Condensed Matter | - |
dc.relation.journalResearchArea | Materials Science; Physics | - |
dc.type.docType | Article | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | ONE-DIMENSIONAL SRCUO2 | - |
dc.subject.keywordPlus | OXIDE SUPERLATTICES | - |
dc.subject.keywordPlus | LUTTINGER LIQUID | - |
dc.subject.keywordPlus | METAL-INSULATOR | - |
dc.subject.keywordPlus | TRANSITIONS | - |
dc.subject.keywordPlus | PHOTOEMISSION | - |
dc.subject.keywordPlus | PEROVSKITES | - |
dc.subject.keywordPlus | CROSSOVER | - |
dc.subject.keywordPlus | STATE | - |
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