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Microwave Impedance Studies on High Temperature Superconductors Using a Dielectric Sapphire Resonator in High Magnetic Fields

Published online by Cambridge University Press:  26 February 2011

Ushma Kriplani ,
N.-C. Yeh ,
W. Jiang ,
D. Reed ,
D. M. Strayer ,
A. Gupta ,
F. Holtzberg  and
A. Kussmaul
Ushma Kriplani
Affiliation:
Department of Physics, California Institute of Technology, Pasadena, CA 91125
N.-C. Yeh
Affiliation:
Department of Physics, California Institute of Technology, Pasadena, CA 91125
W. Jiang
Affiliation:
Department of Physics, California Institute of Technology, Pasadena, CA 91125
D. Reed
Affiliation:
Department of Physics, California Institute of Technology, Pasadena, CA 91125
D. M. Strayer
Affiliation:
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109
A. Gupta
Affiliation:
IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, NY 10598
F. Holtzberg
Affiliation:
IBM Research Division, Thomas J. Watson Research Center, Yorktown Heights, NY 10598
A. Kussmaul
Affiliation:
Francis Bitter National Magnet Lab, Massachusetts Institute of Technology, Cambridge, MA 02139
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Abstract

The vortex dissipation in an Nd-Ce-Cu-Ol epitaxial film is measured at microwave frequencies using the high-Q modes of a sapphire ring resonator, over a large range of temperatures and external DC magnetic fields. The results are qualitatively consistent with a generalized thermally-activated flux-flow (TAFF) model.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 275: Symposium S – Layered Superconductors: Fabrication, Properties and Applications , 1992 , 795
Copyright
Copyright © Materials Research Society 1992

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References

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