FLUX-FLOW STEPS IN OVERLAP JOSEPHSON-JUNCTIONS - IMAGING OF DIFFERENT STATES BY LOW-TEMPERATURE SCANNING ELECTRON-MICROSCOPY (LTSEM)

被引：1

作者：

QUENTER, D ^{[1
]}

LACHENMANN, SG ^{[1
]}

DODERER, T ^{[1
]}

HUEBENER, RP ^{[1
]}

MULLER, F ^{[1
]}

NIEMEYER, J ^{[1
]}

POPEL, R ^{[1
]}

WEIMANN, T ^{[1
]}

机构：

[1] PHYS TECH BUNDESANSTALT,W-3300 BRAUNSCHWEIG,GERMANY

来源：

PHYSICA B | 1994年 / 194卷

关键词：

D O I：

10.1016/0921-4526(94)91369-2

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Modelling a long Josephson junction with the perturbed sine-Gordon equation one possible solution represents a continous, unidirectional motion of magnetic flux quanta (fluxons). In the dc I-V curve this fluxon motion manifests itself as a current step. Using LTSEM we investigated flux-flow behavior of different types of Josephson junctions. The electron beam acts as a local perturbation influencing the ''fluxon chain'' in the Josephson junction. For different bias points on the same flux-flow step we observed different patterns inside the junction.

引用

页码：1739 / 1740

页数：2

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