Title

Normal-State Transport Properties of Bi2+Xsr2-YCuo6+ Crystals

Document Type

Article

Publication Date

1-1-1990

Abstract

Transport anisotropies of c. ab104 to 105 were measured for superconducting and nonsuperconducting Bi2+xSr2-yCuO6± crystals. In superconducting samples ab increases linearly with temperature from just above Tc7 to 700 K. The implication of the ab results is that classical electron-phonon scattering mechanisms are inadequate. The anisotropy and Tc for various layered superconductor systems are compared. In all crystals studied c is nonmetallic, varying as a power law T- , ±0.51.

DOI

10.1103/PhysRevB.41.846

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