TRANSPORT AND MAGNETIC-PROPERTIES OF AG-SHEATHED BI-2223 TAPES

Citation
M. Reissner et al., TRANSPORT AND MAGNETIC-PROPERTIES OF AG-SHEATHED BI-2223 TAPES, IEEE transactions on magnetics, 30(2), 1994, pp. 1175-1177
Citations number
11
Categorie Soggetti
Engineering, Eletrical & Electronic","Physics, Applied
ISSN journal
00189464
Volume
30
Issue
2
Year of publication
1994
Part
2
Pages
1175 - 1177
Database
ISI
SICI code
0018-9464(1994)30:2<1175:TAMOAB>2.0.ZU;2-V
Abstract
Bi2223 tapes were investigated by transport and magnetic measurements. Two different regimes concerning the field dependence of the critical current density J(c) are obtained At T greater-than-or-equal-to 6K J( c) follows an exponential law. From analysis of magnetic relaxation me asurements by means of distributions of activation energies an explana tion of the low temperature behaviour of J(c) in terms of a change in pinning behaviour is possible.