| Issue |
Europhys. Lett.
Volume 34, Number 5, May II 1996
|
|
|---|---|---|
| Page(s) | 391 - 394 | |
| Section | Condensed matter: electronic structure, electrical, magnetic and optical properties | |
| DOI | https://doi.org/10.1209/epl/i1996-00469-9 | |
| Published online | 01 September 2002 | |
Stoichiometry and pressure dependence of Tc of YBa2Cu3Ox
Laboratorium für
Festkörperphysik, ETH Zürich - 8093 Zürich, Switzerland
Received:
19
September
1995
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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