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Anisotropy of a vortex instability observed at high current densities in YBa2Cu3O7δsuperconducting films

✍ Scribed by Z.L. Xiao; P. Ziemann


Publisher
Springer
Year
1997
Tongue
English
Weight
222 KB
Volume
104
Category
Article
ISSN
1434-6036

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Measurements of the power spectral density of the resistance noise were performed in thick films of YBa2C~Q7-o with broad superconducting tr:r,nsitions and in the frequency range from 0.1 Hz to 100rfz. The normalized power spectrum (S IV ) of the excess noise depends on frequency as 1/f a , with a=1