NORMAL-STATE TRANSPORT-PROPERTIES OF BI2+XSR2-YCUO6+/-DELTA CRYSTALS

被引：254

作者：

MARTIN, S

FIORY, AT

FLEMING, RM

SCHNEEMEYER, LF

WASZCZAK, JV

机构：

[1] AT and T Bell Laboratories, Murray Hill

来源：

PHYSICAL REVIEW B | 1990年 / 41卷 / 01期

关键词：

D O I：

10.1103/PhysRevB.41.846

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

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. © 1990 The American Physical Society.

引用

页码：846 / 849

页数：4

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