Nonlinear response of Josephson vortex flow in Bi-2212 with pancake vortices

被引：1
|
作者：
Hirata, K. [1 ]
Ooi, S. [1 ]
Mochiku, T. [1 ]
机构：
[1] Natl Inst Mat Sci, Superconducting Mat Ctr, Tsukuba, Ibaraki 3050047, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2009年 / 469卷 / 15-20期
关键词：
Bi2Sr2CaCu2O8+y; Flux flow resistance; Josephson vortex; Vortex state;
D O I：
10.1016/j.physc.2009.05.205
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Nonlinear response of Josephson vortex (JV) flow has been studied for controlling the JV motion. Rectification effect has been observed clearly with a biharmonic ac drive in the current-voltage measurements in the presence of pancake vortices. This method has a large advantage in changing the polarity of the rectified voltage with varying the phase- and the frequency-difference, compared to the spatially asymmetric nano-dots/anti-dots. Using a Bi2Sr2CaCu2O8+y single crystal, multiply-stacked Josephson junctions result us in obtaining a large gain. Further application of this method will be promising. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：1116 / 1118
页数：3
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