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Comparison of Flux Dynamics in Two Samples of YBa2Cu3O7 with Different Pinning

Published online by Cambridge University Press:  28 February 2011

M. Turchinskaya ,
L.H. Bennett ,
L.J. Swartzendruber ,
A. Roitburd ,
C.K. Chiang ,
M. Hill ,
J.E. Blendell  and
K. Sawano
M. Turchinskaya
Affiliation:
NIST, Gaithersburg, MD, 20899,
L.H. Bennett
Affiliation:
NIST, Gaithersburg, MD, 20899,
L.J. Swartzendruber
Affiliation:
NIST, Gaithersburg, MD, 20899,
A. Roitburd
Affiliation:
NIST, Gaithersburg, MD, 20899,
C.K. Chiang
Affiliation:
NIST, Gaithersburg, MD, 20899,
M. Hill
Affiliation:
NIST, Gaithersburg, MD, 20899,
J.E. Blendell
Affiliation:
NIST, Gaithersburg, MD, 20899,
K. Sawano
Affiliation:
Nippon Steel Corp., Kawasaki 211, Japan.
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Abstract

The kinetics of magnetization in two samples of YBa2Cu3O7 prepared by different methods, are studied. Magnetization vs. time data were obtained at various temperatures for a number of applied fields. The data display (after some short period of time) logarithmic behavior and (after a sufficiently long time) exponential behavior. The pinning parameter “activation volume” was determined from the experimental data for both samples.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 931
Copyright
Copyright © Materials Research Society 1990

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References

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