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Effect of Uniaxial Strain on the Superconducting Transition Temperature in thin YBa2Cu3O7 Film

Published online by Cambridge University Press:  28 February 2011

S. I. Park ,
M. R. Scheuermann ,
C. C. Chi  and
C. C. Tsuei
S. I. Park
Affiliation:
IBM TJ.Watson Research Center. Yorktown Heights, N.Y. 10598
M. R. Scheuermann
Affiliation:
IBM TJ.Watson Research Center. Yorktown Heights, N.Y. 10598
C. C. Chi
Affiliation:
IBM TJ.Watson Research Center. Yorktown Heights, N.Y. 10598
C. C. Tsuei
Affiliation:
IBM TJ.Watson Research Center. Yorktown Heights, N.Y. 10598
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Abstract

The effect of uniaxial strain e on superconducting transition temperature Tc of thin YBa2Cu3O7 film is presented. The value of TC increases linearly with compressional strain with a slope of -275K/e. Under tensile strain, Tc initially decreases to a value ∼ 0.3K below the zero-strain value and then remains constant with additional strain. In compression, the logarithmic strain derivative of Tc, (1/Tc)(dTc/de), is -3 per unit strain which is slightly less than 4–6 per unit strain observed in conventional superconductors.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 685
Copyright
Copyright © Materials Research Society 1988

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References

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