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Magnetic Anomaly in the YBa2Cu3O7 System at Low External Magnetic Fields

Published online by Cambridge University Press:  26 February 2011

Bokhimi
Bokhimi*
Affiliation:
Instituto de Fisica, UNAM, a.p. 20–364, 01000 México, D. F., Mexico.
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Abstract

Magnetization curves for low external magnetic fields of field-cooled superconducting YBa2Cu3O7 samples show an increase in the diamagnetic signal when the sample temperature is near the transition to the normal state. The Increase of the diamagnetic signal depends on the external magnetic field (H ≤ 13.5 Oe). The effect is observed when the samples are field-cooled, but not when they are zero-field-cooled, that means that it is related with the behavior of the vortex lattice.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 275: Symposium S – Layered Superconductors: Fabrication, Properties and Applications , 1992 , 689
Copyright
Copyright © Materials Research Society 1992

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References

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