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원자제어저차원전자계연구단
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Quantum spin liquid ground state in the trimer rhodate Ba4NbRh3 O12

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dc.contributor.authorBandyopadhyay, Abhisek-
dc.contributor.authorSuheon Lee-
dc.contributor.authorAdroja, D.T.-
dc.contributor.authorStenning, G.B.G.-
dc.contributor.authorBerlie, Adam-
dc.contributor.authorLees, M.R.-
dc.contributor.authorSaha, R.A.-
dc.contributor.authorTakegami, D.-
dc.contributor.authorMelendez-Sans, A.-
dc.contributor.authorPoelchen, G.-
dc.contributor.authorYoshimura, M.-
dc.contributor.authorTsuei, K.D.-
dc.contributor.authorHu, Z.-
dc.contributor.authorKao, Cheng-Wei-
dc.contributor.authorHuang, Yu-Cheng-
dc.contributor.authorChan, Ting-Shan-
dc.contributor.authorChoi, Kwang-Yong-
dc.date.accessioned2024-05-22T05:30:01Z-
dc.date.available2024-05-22T05:30:01Z-
dc.date.created2024-05-20-
dc.date.issued2024-05-
dc.identifier.issn2469-9950-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/15176-
dc.description.abstractFrustrated magnets offer a plethora of exotic magnetic ground states, including quantum spin liquids (QSLs), in which enhanced quantum fluctuations prevent a long-range magnetic ordering of the strongly correlated spins down to lowest temperature. Here we have investigated the trimer based mixed valence hexagonal rhodate Ba4NbRh3O12 using a combination of dc and ac magnetization, electrical resistivity, specific heat, and muon spin rotation/relaxation (μSR) measurements. Despite the substantial antiferromagnetic exchange interactions, as evident from the Weiss temperature (θW∼-35 to -45K), among the Rh-local moments, neither long-range magnetic ordering nor spin freezing is observed down to at least 50 mK, in ac-susceptibility, specific heat, and zero-field μSR measurements (down to 0.26 K). We ascribe the absence of any magnetic transition to enhanced quantum fluctuations as a result of geometrical frustration arising out of the edge-sharing equilateral Rh-triangular network in the structure. Our longitudinal-field μSR result evidences persistent spin fluctuations down to 0.26 K, thus stabilizing a dynamic QSL ground state in Ba4NbRh3O12. Furthermore, the magnetic specific heat data at low T reveal a significant T-linear contribution plus a quadratic T dependence, which may indicate the gapless Dirac QSL phenomenology of the spinon excitations with a linear dispersion. © 2024 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the https://creativecommons.org/licenses/by/4.0/Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.-
dc.language영어-
dc.publisherAMER PHYSICAL SOC-
dc.titleQuantum spin liquid ground state in the trimer rhodate Ba4NbRh3 O12-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid001238786900002-
dc.identifier.scopusid2-s2.0-85192673886-
dc.identifier.rimsid83107-
dc.contributor.affiliatedAuthorSuheon Lee-
dc.identifier.doi10.1103/PhysRevB.109.184403-
dc.identifier.bibliographicCitationPhysical Review B, v.109, no.18-
dc.relation.isPartOfPhysical Review B-
dc.citation.titlePhysical Review B-
dc.citation.volume109-
dc.citation.number18-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
Appears in Collections:
Center for Artificial Low Dimensional Electronic Systems(원자제어 저차원 전자계 연구단) > 1. Journal Papers (저널논문)
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