SCALING BEHAVIOR OF CONDUCTIVITY AND MAGNETIZATION IN HIGH-TEMPERATURE SUPERCONDUCTORS

Authors
WAHL A HARDY V WARMONT F MAIGNAN A DELAMARE MP SIMON C
Citation
A. Wahl et al., SCALING BEHAVIOR OF CONDUCTIVITY AND MAGNETIZATION IN HIGH-TEMPERATURE SUPERCONDUCTORS, Physical review. B, Condensed matter, 55(6), 1997, pp. 3929-3934
Citations number
28
Categorie Soggetti
Physics, Condensed Matter
Journal title
Physical review. B, Condensed matter → ACNP
ISSN journal
01631829
Volume
55
Issue
6
Year of publication
1997
Pages
3929 - 3934
Database
ISI
SICI code
0163-1829(1997)55:6<3929:SBOCAM>2.0.ZU;2-6
Abstract
Through magnetization and conductivity measurements, the effect of dim ensionality on the superconducting fluctuations has been investigated for Tl2Ba2CaCu2O8 (Tl-2212), YBa2Cu3O7 (YBCO), and (Tl,Bi)Si2CaCu2O7 ( Tl-1212). Our results show that the bilayered thallium compound (i.e., Tl-2212 which is the most anisotropic compound) is clearly two-dimens ional (2D) while a 3D-2D crossover is evidenced for Tl-1212 and YBCO. This crossover occurs through an intermediate region between two asymp totic behaviors: 3D near the transition and 2D at higher temperatures.