Physics – Condensed Matter – Superconductivity
Scientific paper
2005-12-06
Physics
Condensed Matter
Superconductivity
14 pages, 5 figures
Scientific paper
The determination of inter- and intra-filament transport characteristics in superconducting composites such as BSCCO-Ag tapes is of great importance for material evaluation towards applications. Most attempts to separate the two contributions have relied on indirect methods based on magnetic measurements such as SQUID or magneto-optic imaging techniques. Here we show that laser patterning of superconducting BSCCO-Ag tapes constitutes a simple approach to measure local transport properties in a direct way, even able to separate inter- and intra-filament contributions to the overall transport behavior of the sample. Our technique is potentially useful for sub-millimeter devices based on superconducting tapes.
Altshuler Edward E.
Aronte M.
Batista-Leyva A. J.
Han Zhangang
Haugen O.
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