Improved J(c) behavior under magnetic field in Bi1.8Pb0.4Sr2Ca2.2Cu3-xCrxOY/Ag tapes

Citation
T. Hu et al., Improved J(c) behavior under magnetic field in Bi1.8Pb0.4Sr2Ca2.2Cu3-xCrxOY/Ag tapes, PHYS ST S-A, 186(1), 2001, pp. 135-141
Citations number
10
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH
ISSN journal
00318965 → ACNP
Volume
186
Issue
1
Year of publication
2001
Pages
135 - 141
Database
ISI
SICI code
0031-8965(20010716)186:1<135:IJBUMF>2.0.ZU;2-L
Abstract
Bi(2223)/Ag tapes with CrO3 doping have been fabricated by Powder-in-Tube ( PIT) method. It is found that a small amount of CrO3 doping improves the fl ux pinning, with the effective pinning center due to Cr substitution for Cu , while excessive Cr-ion doping degrades the superconductivity of Bi(2223). XRD analysis shows that a small amount of CrO3 addition has no effect on t he phase composition of Bi(2223)/Ag tape. SEM micrographs of Bi(2223) tapes do not show a distinct difference between the pure sample and CrO3 doped s amples (x less than or equal to 0.4%).