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- Title
Vortex glass scaling in Pb-doped Bi-2223 single crystal.
- Authors
Eltsev, Yu. F.; Lee, S.; Nakao, K.; Tajima, S.
- Abstract
We report on study of the vortex liquid in Pb-doped Bi-2223 single crystal using the in-plane resistivity measurements as a function of temperature and magnetic field up to 6 T applied perpendicular to CuO planes. Below T c at the upper part of superconducting transition we found Arrhenius-like resistivity behavior. With further temperature decrease close to onset of dissipation resistivity shows power law dependence on temperature signaling approaching vortex-glass transition. The critical exponents ν( z − 1) = 4.6 ± 0.5 are found to be field independent within experimental errors. We also present magnetic phase diagram defining region of nonzero critical current for Pb-doped Bi-2223 single crystal.
- Subjects
TEMPERATURE; MAGNETIC fields; ARRHENIUS equation; ENERGY dissipation; ERRORS
- Publication
JETP Letters, 2009, Vol 90, Issue 7, p535
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364009190084