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Spatial distribution of critical current and supercurrent density in individual filaments extracted from Ag-sheathed Bi-2223 tapes

Sivakov, A.G; Lukashenko, A.V; Turutanov, O.G; Dmitrenko, I.M; Abraimov, D.V; Müller, P; Ustinov, A.V

Abstract The critical current density Jc distributions along individual filaments of Bi-2223/Ag tapes are studied by low-temperature scanning laser microscopy. The filaments are extracted from the tapes by cutting them with a high-power UV laser. A relation between the supercurrent density distribution along cross section and the response amplitude is determined. The spatial resolution of this imaging method for bulk filaments is about few micrometers.

Zugehörige Institution(en) am KIT Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2000
Sprache Englisch
Identifikator ISSN: 0921-4526, 1873-2135
KITopen ID: 1000074383
Erschienen in Physica / B
Band 284-288
Seiten 2071-2072
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