Changes in the in- and out-of-plane magnetic susceptibility of YBCO crystals with temperature and hole content

We report new magnetic susceptibility and anisotropy data for single crystals of YBa2Cu3O6+x from x=0.38 to 0.95. We argue that the temperature (T) dependence of the magnetic anisotropy in the normal state well above Tc arises from a combination of the pseudogap and substantial g-factor anisotropy....

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Bibliographic Details
Published in:Europhysics letters 2012-06, Vol.98 (5), p.57011
Main Authors: Kokanović, I., Cooper, J. R., Iida, Kazumasa
Format: Article
Language:English
Subjects:
74.72.-h
75.30.Cr
75.30.Gw
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Summary:We report new magnetic susceptibility and anisotropy data for single crystals of YBa2Cu3O6+x from x=0.38 to 0.95. We argue that the temperature (T) dependence of the magnetic anisotropy in the normal state well above Tc arises from a combination of the pseudogap and substantial g-factor anisotropy. With this interpretation we obtain onset temperatures for superconducting fluctuations over a wide range of x. For hole concentrations p
ISSN:0295-5075
1286-4854
DOI:10.1209/0295-5075/98/57011