Magnetic hysteresis in integrated low <i>T</i> <i>c</i> SQUID gradiometers

R. H. Koch, M. B. Ketchen, W. J. Gallagher, R. L. Sandstrom, A. W. Kleinsasser, D. R. Gambrel, T. H. Field, H. Matz

Applied Physics Letters · 1991 · 21 citations · 7 references

Concepts

Abstract

We have measured the magnetic hysteresis of thin-film superconducting gradiometers. The fractional hysteresis error h was found to be about 10−9–10−11 in several devices.

References

7