Flux distributions obtained after field-cooling of melt-processed superconductors are analyzed using magneto-optic imaging. We propose such flux patterns as an ideal means to study the interactions between the flux line lattice and the microstructure of the sample as a fully-penetrated state can be reached even in bulk samples. Furthermore, in remnant states obtained after field-cooling, the presence of weak channels in the sample is scanned if the applied field was large enough.
|ジャーナル||Japanese Journal of Applied Physics, Part 2: Letters|
|号||10 SUPPL. B|
|出版ステータス||Published - 1998 10月 15|
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