Thermal expansion of a YBa2Cu3O7 superconducting ceramic

V. Bayot, C. Dewitte, J. P. Erauw, X. Gonze, M. Lambricht, J. P. Michenaud

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)

Abstract

The thermal expansion of the High Tc superconducting ceramic YBa2Cu3O7-δ has been measured from 50 K up to room temperature by means of a capacitance dilatometer. No detectable anomalous change in lenght is observed at the critical temperature Tc, within the resolution of our experimental set up: Δl/l = 5 10-8. This indicates a weak dependence of Tc on pressure, contrarily to the one measured on (LaBa)CuO lower Tc superconducting ceramics. The Debye temperature is also estimated.

Original languageEnglish
Pages (from-to)327-328
Number of pages2
JournalSolid State Communications
Volume64
Issue number3
DOIs
Publication statusPublished - Oct 1987
Externally publishedYes

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