Copper deficiency and superconductivity in Nd2−xCexCuO4 oxides
✍ Scribed by A. Seffar; J. Fontcuberta; S. Piñol; X. Obradors; G. Peraudeau; R. Berjoan
- Book ID
- 108025109
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 963 KB
- Volume
- 259
- Category
- Article
- ISSN
- 0921-4534
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📜 SIMILAR VOLUMES
~ffects of oxygen deficiency on the superconductivity in Nd 2 \_ Ce CU04\_~have been systematically Investigated. The value of T strongly depends on x and &. Ove~-reduction is found to decrease T e because of randomness and/8r over-doping of carriers. Effects of partial substitution of Ni. Zn and Ga
High resolution neutron and x-ray powder diffraction data show that samples of Nd2\_xCexCu04 are multiphase except at x=O and the optimum superconducting composition x"'0.165. Cerium doped samples with compositions other than x=O.165 appear to be mixtures of the superconducting phase, which has a fi