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Volumn 80, Issue 9, 2009, Pages

Diamagnetic fluctuations in YBa2 Cu3 O7-x and Bi2 Sr2 CaCu2 O8+x: Possible observation of phase correlations persisting above Tc

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EID: 70350017947     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.80.094520     Document Type: Article
Times cited : (14)

References (43)
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    • The factor N in Eq. 3 was included to take into account that Bi2 Sr2 CaCu2 O8+x and YBaCuO have more than one CuO2 layers in their periodicity length, see, e.g., 10.1103/PhysRevB.53.15272
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    • These inhomogeneities may increase the measured fluctuation diamagnetism in the temperature region from Tc up to Tc +Δ Tc, Δ Tc being the transition width. This effect should be more pronounced in measurements performed under low fields [H Hc2 (0)], see, e.g., 10.1103/PhysRevB.73.184520
    • These inhomogeneities may increase the measured fluctuation diamagnetism in the temperature region from Tc up to Tc +Δ Tc, Δ Tc being the transition width. This effect should be more pronounced in measurements performed under low fields [H Hc2 (0)], see, e.g., L. Cabo, F. Soto, M. Ruibal, J. Mosqueira, and F. Vidal, Phys. Rev. B 73, 184520 (2006). By this reason, we have excluded from the analysis above Tc the data measured under the lowest magnetic fields in the 61.5 K YBCO and in the Bi2212 samples. 10.1103/PhysRevB.73.184520
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    • Cabo, L.1    Soto, F.2    Ruibal, M.3    Mosqueira, J.4    Vidal, F.5


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