POSITIVE CURVATURE IN THE TEMPERATURE-DEPENDENCE OF H-C2 IN KXBA1-XBIO3

Authors
GANTMAKHER VF KLINKOVA LA BARKOVSKII NV TSYDYNZHAPOV GE WIEGERS S GEIM AK
Citation
Vf. Gantmakher et al., POSITIVE CURVATURE IN THE TEMPERATURE-DEPENDENCE OF H-C2 IN KXBA1-XBIO3, Physical review. B, Condensed matter, 54(9), 1996, pp. 6133-6136
Citations number
27
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
54
Issue
9
Year of publication
1996
Pages
6133 - 6136
Database
ISI
SICI code
0163-1829(1996)54:9<6133:PCITTO>2.0.ZU;2-7
Abstract
We report an upward curvature in the temperature dependence of the upp er critical field H-c2(T) in KxBa1-xBiO3 single crystals using ac-susc eptibility measurements and magnetic fields up to 25 T. A possible rol e of Landau quantization in such uncommon behavior is discussed.