Josephson vortex flow in Bi2Sr2CaCu2Oy intrinsic Josephson junctions

被引：2
|
作者：
Irie, A
Kaneko, S
Oya, GI
机构：
[1] Utsunomiya Univ, Dept Elect & Elect Engn, Utsunomiya, Tochigi 3218585, Japan
[2] Utsunomiya Univ, Dept Environm Sci Engn, Utsunomiya, Tochigi 3218585, Japan
来源：
INTERNATIONAL JOURNAL OF MODERN PHYSICS B | 1999年 / 13卷 / 29-31期
关键词：
D O I：
10.1142/S0217979299003659
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have studied the vortex dynamics in intrinsic Josephson junctions in mesa-shaped Bi2Sr2CaCu2Oy single crystals. By applying magnetic fields parallel to the copper oxide layers of the junctions, Josephson vortex-few branches were observed in addition to multiple resistive branches on the I-V characteristics. From the field dependence of the maximum Row voltage, the Row velocity of the vortices was estimated to be similar to 3 x 10(6) m/s at 4.2 K, which is close to that of the highest-velocity mode of the electromagnetic wave in them. On the other hand, at 77 K, the velocity decreased from the highest to the lowest with an increase in the number of junctions in the mesas.
引用
收藏
页码：3678 / 3681
页数：4
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