Critical current properties in longitudinal magnetic field of YBCO superconductor with APC

被引：6

作者：

Kido, R. ^{[1
]}

Kiuchi, M. ^{[1
]}

Otabe, E. S. ^{[1
]}

Matsushita, T. ^{[1
]}

Jha, A. K. ^{[2
]}

Matsumoto, K. ^{[2
]}

机构：

[1] Kyushu Inst Technol, Dept Comp Sci & Elect, 680-4 Kawazu, Iizuka, Fukuoka 8208502, Japan

[2] Kyushu Inst Technol, Dept Mat Sci & Engn, 1-1 Sensui Cho, Kitakyushu, Fukuoka 8048550, Japan

来源：

PROCEEDINGS OF THE 28TH INTERNATIONAL SYMPOSIUM ON SUPERCONDUCTIVITY (ISS 2015) | 2016年 / 81卷

关键词：

REBCO; longitudinal magnetic field; artificial pinning center; critical current density;

D O I：

10.1016/j.phpro.2016.04.012

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The critical current density (J(c)) properties of the Artificial Pinning Center (APC) introduced YBa2Cu3O7 (YBCO) films in the longitudinal magnetic field were measured. Y2O3 or Y2BaCuO5 (Y211) was introduced as APCs to YBCO, and YBCO films with APC were fabricated on SrTiO3 single crystal substrate. The sizes of Y2O3 and Y211 were 5-10 nm and 10-20 nm, respectively. As a result, Jc enhancement in the longitudinal magnetic field was observed in Y2O3 introduced YBCO films. However, it was not observed in Y211 introduced YBCO films. Therefore, it was considered that J(c) properties in the longitudinal magnetic field were affected by introducing of small size APC, and it was necessary that APC does not disturb the current pathway in the superconductor. (C) 2016 Published by Elseiver Ltd. This is an open access article under the CC BY-NC-ND license.

引用

页码：117 / 120

页数：4

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