| (17) O NMR study of the intrinsic magnetic susceptibility and spin dynamics of the quantum kagome antiferromagnet ZnCu3(OH)(6)Cl(2). | |
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MedLine Citation:
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PMID: 18352658 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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We report, through 17O NMR, an unambiguous local determination of the intrinsic kagome lattice spin susceptibility as well as that created around nonmagnetic defects arising from natural Zn/Cu exchange in the S=1/2 (Cu2+) herbertsmithite ZnCu3(OH)6Cl2 compound. The issue of a singlet-triplet gap is addressed. The magnetic response around a defect is found to markedly differ from that observed in nonfrustrated antiferromagnets. Finally, we discuss our relaxation measurements in the light of Cu and Cl NMR data and suggest a flat q dependence of the excitations. |
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Authors:
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A Olariu; P Mendels; F Bert; F Duc; J C Trombe; M A de Vries; A Harrison |
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Publication Detail:
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Type: Journal Article Date: 2008-02-28 |
Journal Detail:
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Title: Physical review letters Volume: 100 ISSN: 0031-9007 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2008 Feb |
Date Detail:
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Created Date: 2008-03-20 Completed Date: 2008-05-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 087202 Citation Subset: - |
Affiliation:
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Laboratoire de Physique des Solides, Université Paris-Sud 11, UMR CNRS 8502, 91405 Orsay, France. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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