Stabilization of a new superconducting phase by low temperature fluorination of La2CuO4
β Scribed by B. Chevalier; A. Tressaud; B. Lepine; K. Amine; J.M. Dance; L. Lozano; E. Hickey; J. Etourneau
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 393 KB
- Volume
- 167
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
The synthesis of alkali substituted lanthanum copper oxide La2\_xMxCuO4 (M=Na, K, Rb, Cs) by the low temperature hydroxide melt technique is described. The alkali stoichiometry x turned out to be dependent upon the reaction temperature. Superconducting phases appear in the Na and K substituted compo
The influence of Ba substitution for La and of the fluorination on the thermal conductivity, the electrical resistivity, the thermoelectric power and the specific heat of La2\_xBaxCuO4 has been investigated. In the La2\_xBaxCuO4 system, either the electronphonon interactions or phonon-defect interac