Superconducting and Normal State Parameters of Bi2.2Sr2Ca0.8Cu2O8+Δ Single Crystals: A Comparison with Ba2YCu3O7

Authors

Bertram Batlogg, ETH ZurichFollow
T. T.M. Palstra, University of TwenteFollow
Lynn Schneemeyer, Montclair State UniversityFollow
Robert B. Van Dover, Cornell UniversityFollow
Robert J. Cava, Princeton UniversityFollow

Document Type

Article

Publication Date

1-1-1988

Journal / Book Title

Physica C: Superconductivity

Abstract

Magnetic and magnetotransport properties were studied on Bi2.2Sr2Ca0.8Cu2O8+δ single crystals. The normal state resistivity in the a-b plane varies linearly with temperature and extrapolates to zero at T = 0. The slopes of the upper critical field are −4.5+1(−0.55) T/K for H perpendicular (parallel) to the c-axis. The coherence length is calculated to be ≈30A˚in the a-b plane but only ≈A˚perpendicular to it. ξc is thus shorter than the 12A˚spacing between the Cu-O double layers. From Hc1 and Hc2 data, the Sommerfeld parameter γ is deduced.

DOI

10.1016/0921-4534(88)90200-6

Montclair State University Digital Commons Citation

Batlogg, Bertram; Palstra, T. T.M.; Schneemeyer, Lynn; Van Dover, Robert B.; and Cava, Robert J., "Superconducting and Normal State Parameters of Bi2.2Sr2Ca0.8Cu2O8+Δ Single Crystals: A Comparison with Ba2YCu3O7" (1988). Department of Chemistry and Biochemistry Faculty Scholarship and Creative Works. 183.
https://digitalcommons.montclair.edu/chem-biochem-facpubs/183