AC susceptibility study of BiPbSrCuO(2223) superconductors

被引：25

作者：

Gencer, A ^{[1
]}

Nezir, S ^{[1
]}

Altunbas, M ^{[1
]}

Aydinuraz, A ^{[1
]}

机构：

[1] KARADENIZ TECH UNIV,DEPT PHYS,TRABZON 61080,TURKEY

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1996年 / 9卷 / 06期

关键词：

D O I：

10.1088/0953-2048/9/6/005

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The magnetic response of Bi-based superconductors of nominal composition Bi1.8Pb0.2Sr2Ca3Cu4O12 against low AC field amplitudes is studied in terms of fundamental and third harmonic AC susceptibilities to investigate various physical parameters. Optimum conditions of a wet preparation technique have been determined. Both transport and inductive critical current densities have increased considerably on samples subjected to a single intermediate grinding. The magnetic data accompanied by XRD measurements support the theory that the minor superconducting phase 2212 is mostly screened by a dominating matrix of 2223 high-T-c phase.

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收藏

页码：467 / 473

页数：7

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