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
收藏
页码：5607 / 5621
页数：15
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