Crossover in magnetization behavior of Bi2212:Pb single crystal

Magnetic flux penetration in Bi1.9Pb0.3Sr2CaCu2O8 single crystals in crossed fields is studied by magnetooptic technique. The anisotropy of the flux penetration induced by in-plane field is observed at temperatures below Tm=54±2K. The anisotropy increases with temperature if TTm. This anisotropy is...

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Bibliographic Details
Published in:Journal of magnetism and magnetic materials 2004-05, Vol.272-276, p.E1089-E1090
Main Authors: Uspenskaya, L.S., Kulakov, A.B., Rakhmanov, A.L.
Format: Article
Language:English
Subjects:
3D–2D transition
Flux line lattice
High temperature superconductors
Magnetooptic study
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Summary:Magnetic flux penetration in Bi1.9Pb0.3Sr2CaCu2O8 single crystals in crossed fields is studied by magnetooptic technique. The anisotropy of the flux penetration induced by in-plane field is observed at temperatures below Tm=54±2K. The anisotropy increases with temperature if TTm. This anisotropy is an evidence of a strong correlation between pancake vortices in different CuO planes. The vortex lattice behaves like 3D system at TTm.
ISSN:0304-8853
DOI:10.1016/j.jmmm.2003.12.172