Abstract
Thermal dilatation experiments are reported on Bi2Ca1Sr2Cu2O8+δ and Bi1.9Pb0.35Ca2Sr2Cu3O10+δ. A reversible oxidation process is found for both compounds to take place at T{reversed tilde equals}200°C. This process is accompanied with variations of the length of the c-axis. Optimalization of Tc requires oxygen depletion for n=2 and suppletion for n=3 compounds.
| Original language | English |
|---|---|
| Pages (from-to) | 293-297 |
| Number of pages | 5 |
| Journal | Physica C : Superconductivity |
| Volume | 165 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 1 Feb 1990 |
Funding
We would like to thank H. Dalderop and C. van der Steen for experimental assistance. Part of this work is financed by the Stichting FOM (Foundation for Fundamental Research on Matter).
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