FLUX-PINNING IN FAST-NEUTRON IRRADIATED MELT-TEXTURED YBCO SAMPLES

被引：3
|
作者：
WISNIEWSKI, A [1 ]
PUZNIAK, R [1 ]
SZYMCZAK, H [1 ]
WANG, JR [1 ]
ZHANG, PX [1 ]
ZHOU, L [1 ]
机构：
[1] NW INST NONFERROUS MET RES, SHAANXI 721014, PEOPLES R CHINA
来源：
PHYSICA B-CONDENSED MATTER | 1994年 / 194卷
关键词：
D O I：
10.1016/0921-4526(94)91454-0
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Fast neutron irradiated melt-textured YBa2Cu3O7-x samples obtained by the powder melting process (PMP) were studied. After irradiation the critical current density j(c), determined from the dc magnetization measurements, for magnetic field perpendicular to the a-b plane reaches the value of 9.4.10(4) A/cm2 at 77 K in field of 1 T. Magnetization measurements, low-field microwave absorption studies and observation of microstructure of PMP samples indicate that, because of the high quality of grain connections, j(c) in these samples is not limited by weak links.
引用
收藏
页码：1909 / 1910
页数：2
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