Voltage fluctuations in granular superconductors in the perpendicular configuration

Author: Gerashchenko O.V.

Source: Superconductor Science and Technology, Volume 16, Number 6, 2003 , pp. 690-694(5)

Publisher: Institute of Physics Publishing

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Abstract:

The spectral density of voltage fluctuations in granular YBa2Cu3O7- superconductors in the perpendicular configuration has been studied in the flux flow mode. It has been found that, in this case, the 1/f-voltage noise observed depends weakly on temperature and is associated with motion of a magnetic flux in the superconductor. A comparison of the data obtained with the results of previous measurements in parallel configuration has shown that voltage noise is produced by a single common source, which is presumably associated with self-organization of the critical state in granular superconductors.

Language: English

Document Type: Miscellaneous

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