Observation of vortices in the high-temperature superconductor

被引：2

作者：

Kanno, S

Kawai, T

Satou, S

Aizawa, K

Kusunoki, M

Mukaida, M

Ohsima, S

Hayashi, S

Nishizaki, T

Kobayashi, N

机构：

[1] Yamagata Univ, Fac Engn, Ohshima Lab, Yonezawa, Yamagata 9928510, Japan

[2] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 980, Japan

来源：

PHYSICA C | 2001年 / 357卷

关键词：

Y-123; Bi-2212; vortex; pinning;

D O I：

10.1016/S0921-4534(01)00350-1

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have observed vortices of the high-temperature superconductor using the Bitter technique. Hopping movement of vortices of Y-123 and Bi-2212 single crystal was observed in the temperature range of 50-90 K (T-c) by the thermal energy. We estimated pinning potential by migration length, The pinning potential, we have also observed the vortex pattern of Y-123 QMG sample including Y-211 phase. We found that vortex existed in the grain boundary of Y-211 and Y-123 phase. (C) 2001 Elsevier Science B.V. All rights reserved.

引用

页码：625 / 628

页数：4

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