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Hydrogen in YBA2CU3O7−x High TC Superconductors

Published online by Cambridge University Press:  28 February 2011

P. Berning ,
J. Collazo ,
A. Mashayekhi  and
R. E. Benenson
P. Berning
Affiliation:
State University of New York at Albany, Dept. of Physics, 1400 Washington Avenue, Albany, NY 12222
J. Collazo
Affiliation:
State University of New York at Albany, Dept. of Physics, 1400 Washington Avenue, Albany, NY 12222
A. Mashayekhi
Affiliation:
State University of New York at Albany, Dept. of Physics, 1400 Washington Avenue, Albany, NY 12222
R. E. Benenson
Affiliation:
State University of New York at Albany, Dept. of Physics, 1400 Washington Avenue, Albany, NY 12222
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Abstract

We have been investigating the possibility that the presence or absence of hydrogen may influence the electrical properties of the high TQ superconductor YBa2Cu3O7−x. Samples were prepared sintering in wet and dry oxygen, ana have been loaded by exposure to a plasma discharge of hydrogen gas. The hydrogen concentration near the surface was monitored by the H(15N, αγ) C reaction, and the four point method was used for the electrical measurements. The tentative results are that hydrogen content has little effect on either the transition temperature or the sharpness of the transition, although higher concentration may increase the normal state resistivity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 939
Copyright
Copyright © Materials Research Society 1988

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References

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