Measurements of the excess conductivity above the superconducting transition for the 110-K phase of the Bi-Sr-Ca-Cu-O compound are reported. The data are very well described in terms of the classic theory of thermodynamic fluctuations in a two-dimensional superconductor. The results are discussed and compared with previous observations on the YBa2Cu3O7 compound, where three-dimensional superconductivity was found. © 1989 The American Physical Society.
Thermodynamic fluctuations in the 110-K Bi-Sr-Ca-Cu-O superconductor: Evidence for two-dimensional behavior
BALESTRINO, Giuseppe;NIGRO, Angela;VAGLIO, Ruggero;
1989-01-01
Abstract
Measurements of the excess conductivity above the superconducting transition for the 110-K phase of the Bi-Sr-Ca-Cu-O compound are reported. The data are very well described in terms of the classic theory of thermodynamic fluctuations in a two-dimensional superconductor. The results are discussed and compared with previous observations on the YBa2Cu3O7 compound, where three-dimensional superconductivity was found. © 1989 The American Physical Society.File in questo prodotto:
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