2-DIMENSIONAL WEAK LOCALIZATION IN ELECTRON HIGH-TC SUPERCONDUCTOR ND2-XCEXCUOY UNDER HIGH MAGNETIC-FIELD

被引：26

作者：

HIDAKA, Y

TAJIMA, Y

SUGIYAMA, K

TOMIYAMA, F

YAMAGISHI, A

DATE, M

HIKITA, M

机构：

[1] OSAKA UNIV, FAC SCI, DEPT PHYS, TOYONAKA, OSAKA 560, JAPAN

[2] OSAKA UNIV, EXTREME MAT RES CTR, TOYONAKA, OSAKA 560, JAPAN

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1991年 / 60卷 / 04期

关键词：

HIGH-TC SUPERCONDUCTOR; HIGH MAGNETIC FIELD; NORMAL RESISTIVITY; LN T DEPENDENCE; 2-DIMENSIONAL WEAK LOCALIZATION;

D O I：

10.1143/JPSJ.60.1185

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electron high-T(c) superconductor Nd2-xCexCuOy single crystals are studied under high magnetic field of up to 20 tesla. The superconducting state is completely destroyed by the field when the field is applied along the c-axis and the normal electrical resistivity is obtained at all temperatures. The temperature dependence of the normal resistivity is plotted down to 1.3 K and a clear resistance minimum is found. The result is understood in terms of the two-dimensional weak localization model and this means that the materials are regarded as the intrinsic two-dimensional conduction system.

引用

页码：1185 / 1188

页数：4

共 27 条

[21] UPPER CRITICAL-FIELD AND RESISTIVITY OF SINGLE-CRYSTAL EUBA2CU3OY - DIRECT MEASUREMENTS UNDER HIGH-FIELD UP TO 50 T [J].