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Low-Field Microwave Absorption in High-TC Superconducting Oxides

Published online by Cambridge University Press:  28 February 2011

B. L. Ramakrishna ,
E. W. Ong  and
Z. Iqbal
B. L. Ramakrishna
Affiliation:
Department of Chemistry, Arizona State University, Tempe, AZ 85287, USA
E. W. Ong
Affiliation:
Department of Chemistry, Arizona State University, Tempe, AZ 85287, USA
Z. Iqbal
Affiliation:
Allied-Signal Inc., Corporate Technology, Morristown, NJ 07960, USA
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Abstract

Low-field non-resonant microwave absorption in an EPR spectrometer has been observed in the superconducting state of different samples of the new high-T oxides, YBa2Cu3O7-δ and La1.8Sr0.2CuO4. It has been attributed to flux slippage occurring at the Josephson junctions existing in the granular composite material. The dependence on particle size, temperature, microwave power, DC modulation amplitude and magnetic field has been studied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 455
Copyright
Copyright © Materials Research Society 1988

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References

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