PREPARATION OF A MELT-PROCESSED LA123 BULK SUPERCONDUCTOR WITH FINELYDISPERSED Y211 PARTICLE

Authors
LEE HG KOOK IH HONG GW LEE KW KIM YI KIM CS KIM JJ SONG MY
Citation
Hg. Lee et al., PREPARATION OF A MELT-PROCESSED LA123 BULK SUPERCONDUCTOR WITH FINELYDISPERSED Y211 PARTICLE, Physica. C, Superconductivity, 246(1-2), 1995, pp. 73-77
Citations number
16
Categorie Soggetti
Physics, Applied
Journal title
Physica. C, Superconductivity → ACNP
ISSN journal
09214534
Volume
246
Issue
1-2
Year of publication
1995
Pages
73 - 77
Database
ISI
SICI code
0921-4534(1995)246:1-2<73:POAMLB>2.0.ZU;2-U
Abstract
A high-magnetization La123 specimen with finely dispersed second-phase particles was successfully fabricated by a melt process under a reduc ed oxygen partial pressure. The dispersion of the fine second-phase pa rticle was obtained by adding Y211 particles to the La123 specimen. Th e melt-down and the crack propagation were effectively suppressed in a melt-processed specimen with Y211 addition, The magnetization of the La123 specimen was clearly enhanced with Y211 addition. It is consider ed that the Y211 addition introduced extra flux-pinning centers in the La123 specimen.