UPPER CRITICAL-FIELD IN BA1-XKXBIO3 - MAGNETOTRANSPORT VS. MAGNETOTUNNELING

Authors
SAMUELY P SZABO P KLEIN T JANSEN AGM MARCUS J ESCRIBEFILIPPINI C WYDER P
Citation
P. Samuely et al., UPPER CRITICAL-FIELD IN BA1-XKXBIO3 - MAGNETOTRANSPORT VS. MAGNETOTUNNELING, Europhysics letters, 41(2), 1998, pp. 207-212
Citations number
22
Categorie Soggetti
Physics
Journal title
Europhysics letters → ACNP
ISSN journal
02955075
Volume
41
Issue
2
Year of publication
1998
Pages
207 - 212
Database
ISI
SICI code
0295-5075(1998)41:2<207:UCIB-M>2.0.ZU;2-N
Abstract
Elastic tunneling is used as a powerful direct tool to determine the u pper critical field H-c2(T) in the high-T-c oxide Ba1-xKxBiO3. The tem perature dependence of H-c2 inferred from the tunneling follows the We rthamer-Helfand-Hohenberg prediction for type-II superconductors. A co mparison will be made with resistively determined critical-field data.