Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
57 (1990), S. 1464-1466
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
We have observed a large peak in microwave losses, as a function of temperature, in a superconducting Y1Ba2Cu3O7 bicrystal containing a large-area, low-angle grain boundary. The maximum observed loss was approximately twice the normal state loss. We attribute the peak to enhanced losses occurring within the grain boundary due to the concentration of microwave field lines in the boundary as they are expelled from the superconducting regions. At high microwave powers, bistability in the absorption was observed, resulting in hysteretic absorption curves as a function of both T and magnetic field H.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.104127
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