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오윤석

Oh, Yoon Seok
Laboratory for Strong Correlation in Quantum Materials
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dc.citation.number 23 -
dc.citation.startPage 235121 -
dc.citation.title PHYSICAL REVIEW B -
dc.citation.volume 90 -
dc.contributor.author Dai, Jixia -
dc.contributor.author Haule, Kristjan -
dc.contributor.author Yang, J. J. -
dc.contributor.author Oh, Yoon Seok -
dc.contributor.author Cheong, S-W. -
dc.contributor.author Wu, Weida -
dc.date.accessioned 2023-12-22T01:47:57Z -
dc.date.available 2023-12-22T01:47:57Z -
dc.date.created 2015-02-05 -
dc.date.issued 2014-12 -
dc.description.abstract Layered 5d transition metal dichalcogenide (TMD) IrTe2 is distinguished from the traditional TMDs (such as NbSe2) by the existence of multiple charge-density wave (CDW)-like stripe phases and superconductivity at low temperatures. Despite intensive studies, there is still no consensus on the physical origin of the stripe phases or even the ground state modulation for this 5d material. Here we present atomic-scale evidence from scanning tunneling microscopy and spectroscopy (STM/STS) that the ground state of IrTe2 is a q = 1/6 stripe phase, identical to that of the Se-doped compound. Furthermore, our data suggest that the multiple transitions and stripe phases are driven by the intralayer Ir-Ir dimerization that competes against the interlayer Te-Te bonding. The competition results in a unified phase diagram with a series of hierarchical modulated stripe phases, strikingly similar to the renowned "devil's staircase" phenomena. -
dc.identifier.bibliographicCitation PHYSICAL REVIEW B, v.90, no.23, pp.235121 -
dc.identifier.doi 10.1103/PhysRevB.90.235121 -
dc.identifier.issn 1098-0121 -
dc.identifier.scopusid 2-s2.0-84918556443 -
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/10462 -
dc.identifier.url http://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.235121 -
dc.identifier.wosid 000346374900001 -
dc.language 영어 -
dc.publisher American Physical Society -
dc.title Hierarchical stripe phases in IrTe2 driven by competition between Ir dimerization and Te bonding -
dc.type Article -
dc.description.isOpenAccess FALSE -
dc.description.journalRegisteredClass scie -
dc.description.journalRegisteredClass scopus -
dc.subject.keywordPlus DEVILS STAIRCASE -
dc.subject.keywordPlus SUPERCONDUCTIVITY -
dc.subject.keywordPlus TRANSITION -
dc.subject.keywordPlus SUSCEPTIBILITY -
dc.subject.keywordPlus ANOMALIES -
dc.subject.keywordPlus SURFACE -
dc.subject.keywordPlus STATE -
dc.subject.keywordPlus VO2 -

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