Pattern of the induced magnetic field in high-temperature superconducting ceramics

被引：2
|
作者：
Bogolyubov, N. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Inorgan Chem, Siberian Branch, Novosibirsk 630090, Russia
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2010年 / 470卷 / 7-8期
关键词：
Josephson net; HTSC ceramics; Critical current density; Magnetic field; TRANSPORT CRITICAL-CURRENT; MODEL;
D O I：
10.1016/j.physc.2009.10.157
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Our experiments performed earlier have shown that, when an external magnetic field is absent, the transport critical current in 3-d superconducting ceramics is a homogeneous function of the sample transverse sizes. The transport critical current density and magnetic field induced by the current are homogeneous functions of a point on the sample cross-section. Using these experimental results equations describing the induced magnetic field pattern in ceramic sample have been derived. The distributions of the transport critical current density and induced magnetic field in the samples having polygonal, diamond-shaped cross-sections illustrate the results. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：361 / 364
页数：4
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