MAGNETIZATION STUDIES OF HIGH CRITICAL CURRENT-DENSITY YBA2CU3O7-X PREPARED BY POWDER MELTING PROCESS

被引：3

作者：

WISNIEWSKI, A ^{[1
]}

PUZNIAK, R ^{[1
]}

GUTOWSKI, M ^{[1
]}

BARAN, M ^{[1
]}

SZYMCZAK, H ^{[1
]}

WANG, JR ^{[1
]}

ZHANG, PX ^{[1
]}

JI, P ^{[1
]}

WANG, KG ^{[1
]}

ZHOU, L ^{[1
]}

机构：

[1] NW INST NONFERROUS MET RES, SHAANXI 721014, PEOPLES R CHINA

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1991年 / 185卷

关键词：

D O I：

10.1016/0921-4534(91)91376-F

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The field dependence of magnetization of bulk powder melting process (PMP) samples with transport critical current density as high as 7.10(4) A/cm2 in B = 1 T at 77 K (by pulse technique) was measured. The decrease of magnetization hysteresis loops proportional to decrease of sample size was found, what means that superconducting current flows throughout the whole sample and weak links problem does not exist in PMP samples. The values of measured magnetization critical current density agree quite well with transport measurements results.

引用

页码：2503 / 2504

页数：2

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