Zero-field μSR study of YBa2Cu3O6+x, x≥0.67: evidence for charge ordering

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DOIResolve DOI: http://doi.org/10.1016/S0921-4526(02)01642-3
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TypeArticle
Journal titlePhysica. B, Condensed matter
Volume326
Issue1-4
Pages312315; # of pages: 4
SubjectCharge ordering; High-temperature superconductors; Zero-field [mu]SR
AbstractZero-field (ZF) μSR measurements were performed on single crystals of the high temperature superconductor YBa2Cu3O6+x, for x≥0.67. Contrary to early ZF-μSR studies, we find that the muon-spin relaxation function evolves significantly as a function of temperature and oxygen content. The relaxation rate of the ZF-μSR time spectra exhibits a local minimum near 55 K and a subsequent increase with decreasing temperature. These features weaken considerably with decreasing x. A comparison to the results of nuclear quadrupole resonance experiments on highly doped samples suggests that these observations are associated with the build up of long-range charge correlations and not spontaneous orbital moments as suggested by Sonier et al. (Science 292 (2001) 1692).
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12339351
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Record identifierd9b72d7c-dfdf-4056-ab2c-03129b25bb11
Record created2009-09-11
Record modified2016-05-09
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