ELECTRICAL AND THERMOMAGNETIC EFFECTS IN BI1.7PB0.3SR2CA2CU3O10 SUPERCONDUCTING CERAMICS

被引：16

作者：

PEKALA, M ^{[1
]}

BOUGRINE, H ^{[1
]}

AUSLOOS, M ^{[1
]}

机构：

[1] UNIV LIEGE, INST PHYS, SUPRAS, B-4000 LIEGE, BELGIUM

来源：

JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 28期

关键词：

D O I：

10.1088/0953-8984/7/28/015

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We report the electrical resistivity and thermoelectric power of polycrystalline Pb-doped Pi 2:2:2:3 superconductors. In particular the mixed-state properties are investigated by measuring the longitudinal and transverse (Nernst) thermoelectric power. For the first time we show the presence of hysteresis in a high magnetic field for the Nernst effect. We discuss the variation with magnetic field in the properties with respect to the zero-field case and show the power-law behaviour with exponents depending on the transport quantity. We extract 'derived properties' such as the effective mass, the transport entropy, the Ginzburg-Landau parameter, the thermal Hall angle and the activation energy and compare them with previous data on related systems.

引用

页码：5607 / 5621

页数：15

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