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Pinning potential transport measurements of Bi2Sr2CaCu2O x thin films |
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| Authors: | A. N. Lykov L. Maritale S. L. Prishepa S. V. Zhdanovich |
| Affiliation: | 1. P. N. Lebedev Physics Institute, Russian Academy of Sciences, Leninksy Prospect, 53, 117924, Moscow, Russia 2. Dipartimento di Fisica, Universitá di Salerno, I 84081, Baronissi (SA), Italy 3. Radioengineering Institute, P. Brovka Street, 6, 220600, Minsk, Belarus |
| Abstract: | Flux creep characteristics ofc-axis-oriented Bi2Sr2CaCu2O x thin films grown by the method of electron beam evaporation of stoichiometric target and subsequent annealing have been investigated in the absence of external magnetic field. A decrease of the pinning potential with decreasing temperature is obtained fromI–V curves. This result is explained by the presence of the spatially nonlinear pinning potential. |
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