ISSN:
1434-6036
Keywords:
PACS. 73.50.Jt Galvanomagnetic and other magnetotransport effects (including thermomagnetic effects) - 73.50.Pz Photoconduction and photovoltaic effects - 74.40 +k Fluctuations (noise, chaos, nonequilibrium superconductivity, localization, etc.)
Source:
Springer Online Journal Archives 1860-2000
Topics:
Physics
Notes:
Abstract: ( ) thin films were photodoped with white light at various temperatures from 70 K to 290 K. Before and after the excitation, the magnetoconductivity was measured in a magnetic field B = 0.5 T, and the experimental results were fitted to the Aslamazov-Larkin theory of superconducting order-parameter fluctuations to determine the superconducting coherence lengths, and . We observed that the photodoping process enhanced and and that the amount increased with the photodoping temperature increase. On the other hand, the superconducting anisotropy / decreased with increasing temperature. The photodoping effect enhances superconducting properties of partially oxygen-deficient samples and is considerably increased by high doping temperatures.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/s100510070052
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