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Article: Gapless quantum spin liquid in the S = 1/2 anisotropic kagome antiferromagnet ZnCu3(OH)6SO4

TitleGapless quantum spin liquid in the S = 1/2 anisotropic kagome antiferromagnet ZnCu<inf>3</inf>(OH)<inf>6</inf>SO<inf>4</inf>
Authors
Keywordskagome antiferromagnet
low-energy excitation
quantum spin liquid
spin frustration
Issue Date2014
Citation
New Journal of Physics, 2014, v. 16 How to Cite?
Abstract© 2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. We have successfully synthesized the new S = 1/2 anisotropic kagome antiferromagnet ZnCu 3 (OH) 6 SO 4 and determined its structure by synchrotron x-ray diffraction. No magnetic ordering is observed down to 50 mK, despite a moderately high Weiss temperature of Θ w ∼ -79 K, indicating that the compound is a new quantum spin liquid (QSL) candidate. A linear temperature dependence of the magnetic heat capacity is found at 6 ∼ 15 K and below 0.6 K. Temperature-independent intrinsic susceptibilities are observed exactly in both temperature ranges. This consistently suggests a gapless QSL below 0.6 K, which may evolve from an unconventional quantum spin state at higher temperatures (6 ∼ 15 K).
Persistent Identifierhttp://hdl.handle.net/10722/254547
ISSN
2020 Impact Factor: 3.729
2020 SCImago Journal Rankings: 1.584
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLi, Yuesheng-
dc.contributor.authorPan, Bingying-
dc.contributor.authorLi, Shiyan-
dc.contributor.authorTong, Wei-
dc.contributor.authorLing, Langsheng-
dc.contributor.authorYang, Zhaorong-
dc.contributor.authorWang, Junfeng-
dc.contributor.authorChen, Zhongjun-
dc.contributor.authorWu, Zhonghua-
dc.contributor.authorZhang, Qingming-
dc.date.accessioned2018-06-19T15:40:51Z-
dc.date.available2018-06-19T15:40:51Z-
dc.date.issued2014-
dc.identifier.citationNew Journal of Physics, 2014, v. 16-
dc.identifier.issn1367-2630-
dc.identifier.urihttp://hdl.handle.net/10722/254547-
dc.description.abstract© 2014 IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. We have successfully synthesized the new S = 1/2 anisotropic kagome antiferromagnet ZnCu 3 (OH) 6 SO 4 and determined its structure by synchrotron x-ray diffraction. No magnetic ordering is observed down to 50 mK, despite a moderately high Weiss temperature of Θ w ∼ -79 K, indicating that the compound is a new quantum spin liquid (QSL) candidate. A linear temperature dependence of the magnetic heat capacity is found at 6 ∼ 15 K and below 0.6 K. Temperature-independent intrinsic susceptibilities are observed exactly in both temperature ranges. This consistently suggests a gapless QSL below 0.6 K, which may evolve from an unconventional quantum spin state at higher temperatures (6 ∼ 15 K).-
dc.languageeng-
dc.relation.ispartofNew Journal of Physics-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.subjectkagome antiferromagnet-
dc.subjectlow-energy excitation-
dc.subjectquantum spin liquid-
dc.subjectspin frustration-
dc.titleGapless quantum spin liquid in the S = 1/2 anisotropic kagome antiferromagnet ZnCu<inf>3</inf>(OH)<inf>6</inf>SO<inf>4</inf>-
dc.typeArticle-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1088/1367-2630/16/9/093011-
dc.identifier.scopuseid_2-s2.0-84907032742-
dc.identifier.volume16-
dc.identifier.spagenull-
dc.identifier.epagenull-
dc.identifier.isiWOS:000342050400007-
dc.identifier.issnl1367-2630-

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