Superconducting properties of an Ag-CLAD (BiPb)_2Sr_2Ca_2Cu_3O_10+y tape

Kušević, Ivica and Babić, Emil and Marohnić, Željko and Drobac, Đuro and Prester, Predrag and Liu, H. K. and Dou, S. X. (1993) Superconducting properties of an Ag-CLAD (BiPb)_2Sr_2Ca_2Cu_3O_10+y tape. Fizika A, 2 (2). pp. 89-100. ISSN 1330-0008

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AC susceptibility and V-I characteristics of a well characterised Ag-clad Bi-Pb-Sr-Ca-Cu-O tape have been studied in the temperature (T) range 77-106 K and magnetic fields (B) up to 0.06 T. The intrinsic critical current density J_s (from ac susceptibility) is 30000 A/cm2 at 77 K whereas the transport critical current density Jc (from V-I curves) is 10100 A/cm2 at the same temperature. Both Js and Jc showed power law variations with T and B, respectively, characteristic for intragranular flux creep. From the dissipation within the core the differential resistance Rf (associated with the flux flow) has been deduced. The magnitude and the variations of Rf with T and B are consistent with those due to flux flow in type II superconductors in low field. From d^2 V/d I^2 vs I curves very broad critical current distribution CCD has been deduced.

Item Type: Article
Date: 1993
Subjects: NATURAL SCIENCES > Physics
Divisions: Faculty of Science > Department of Physics
Publisher: Hrvatsko fizikalno društvo
Depositing User: Gordana Stubičan Ladešić
Date Deposited: 20 Mar 2014 13:53
Last Modified: 20 Mar 2014 13:54

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