Concepedia

Magnetic flux guide for high-resolution SQUID microscope

Y.V. Derquzhkina, P.E. Rudenchik, Yu. S. Sitnov, A. A. Shablo, P. P. Pavlov, A.S. Kalabukho, P. Seidel

IEEE Transactions on Applied Superconductivity · 2001 · 39 citations · 5 references

DOI

Concepts

Abstract

Magnetic properties of a permalloy needle designed for use in a high-spatial-resolution scanning SQUID magnetic microscope as a magnetic flux guide have been examined. The distributions of the magnetic field normal component over a needle were imaged at 77 K in various applied magnetic fields. Influences of the flux guide on the high temperature superconducting dc SQUID characteristics have been investigated.

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