Observation of coherent modes of Josephson vortices in Bi2Sr2CaCu2Ox

被引：49

作者：

Lee, JU ^{[1
]}

Guptasarma, P ^{[1
]}

Hornbaker, D ^{[1
]}

ElKortas, A ^{[1
]}

Hinks, D ^{[1
]}

Gray, KE ^{[1
]}

机构：

[1] ARGONNE NATL LAB, DIV SCI MAT, ARGONNE, IL 60439 USA

来源：

APPLIED PHYSICS LETTERS | 1997年 / 71卷 / 10期

关键词：

D O I：

10.1063/1.119909

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report strong evidence for coherent modes of moving Josephson vortices in mesas patterned on the surface of Bi2Sr2CaCu2Ox single crystals. The vortex How current-voltage curves are characterized by a sharp up-turn and the appearance of multiple branches as the current is ramped up and down at a fixed magnetic field and temperature. These results are consistent with weakly damped motion of Josephson vortices in which different coherent modes can occur in a close stack of Josephson coupled multilayers. (C) 1997 American Institute of Physics.

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页码：1412 / 1414

页数：3

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