Effect of annealing under high oxygen pressure on the structure and superconductivity of (Ba0.85Nd0.15)2NdCu3O6+z
β Scribed by T. Mochiku; H. Asano; H. Akinaga; T. Ohshima; K. Takita; F. Izumi; Y. Takeda; M. Takano; K. Mizoguchi
- Publisher
- Elsevier Science
- Year
- 1990
- Tongue
- English
- Weight
- 555 KB
- Volume
- 167
- Category
- Article
- ISSN
- 0921-4534
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The Tc of Nd 1Γ·xBa2\_xCuaOy (0.1 ~<x~ 0.6) has been increased by synthesizing and annealing the compounds in 200 bar oxygen pressure. The oxygen content, y, increases to compensate the effect of Nd a+ substitution and the formal average copper valence (FACV) remains unchanged at ~ 2.3 throughout the