Volume 34, Number 5, May II 1996
|Page(s)||391 - 394|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Stoichiometry and pressure dependence of Tc of YBa2Cu3Ox
Festkörperphysik, ETH Zürich - 8093 Zürich, Switzerland
Accepted: 25 March 1996
We report on the systematic investigation of the pressure dependence of the transition temperature of as a function of the oxygen content x. The samples from the 60 K plateau have shown a pressure dependence in the order of 0.4–0.5 K/kbar. Giant pressure effects have been found for the oxygen stoichiometries . Most astonishingly, the 90 K samples have revealed a variety of pressure effects systematically changing with the oxygen content. We have found a correlation of structural parameters and in the oxygen range .
PACS: 74.72.-h – High- cuprates / 74.62.-c – Transition temperature variations
© EDP Sciences, 1996
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