ESR study of La2CuO4-derived superconductors treated under halogen gas
β Scribed by J.M. Dance; A. Tressaud; B. Chevalier; C. Brisson; J. Etourneau
- Book ID
- 103945640
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 494 KB
- Volume
- 198
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
We report measurements of the static magnetic susceptibility on polycrystalhne samples of La2CuO4\_j, and YBa2Cu3OT\_y m the temperature range 3-300 K at both ambient and high pressure The magnetic susceptlblhty ofnonsuperconductmg La:CuO,\_y with y\_< 0.02 shows above 3 K no measurable change under
The relation between the superconducting transition temperature and the dopant concentration, x, in (La 1 M) Cu0 4 (M=Sr and Cal annealed in high pressure oxygen gas up to 400 bar is studied in detalI~xT5e sutgrconducting phase in La 2 Cu0 4 +. is found to become unstable by doping. The measurement