Determination of Tc, vortex creation and vortex imaging of a superconducting Nb film using low-temperature magnetic force microscopy

被引：6

作者：

Roseman, M ^{[1
]}

Grütter, P ^{[1
]}

机构：

[1] McGill Univ, Dept Phys, Ctr Phys Mat, Montreal, PQ H3A 2T8, Canada

来源：

JOURNAL OF APPLIED PHYSICS | 2002年 / 91卷 / 10期

关键词：

D O I：

10.1063/1.1456055

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Using a custom built low temperature magnetic force microscope, we have used the repulsive Meissner interaction between the magnetic tip and the sample to determine the critical temperature of a superconducting Nb film. Vortex creation by the tip stray field has been observed, in which two vortices have been nucleated, both simultaneously and in succession. We have also imaged vortices as a function of applied magnetic field, and have observed the expected linear dependence between vortex density and field strength. (C) 2002 American Institute of Physics.

引用

页码：8840 / 8842

页数：3

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