Two series of Sml+xBa2\_xfU30y samples were prepared, both exhibiting a change from orthorhombic to tetragonal structure. The first is a series of solid solution of increasing Sm/Ba ratio, the second is a series of exact "123" cation stoichiometry with lowering oxygen content. Several quantities, su
Oxygen stoichiometry and structural parameters of Sm1+xBa2−xCu3Oy solid solutions versus composition and temperature
✍ Scribed by V.A. Drozd; I.L. Baginski; S.A. Nedilko; V.S. Mel’nikov
- Book ID
- 116597872
- Publisher
- Elsevier Science
- Year
- 2004
- Tongue
- English
- Weight
- 218 KB
- Volume
- 384
- Category
- Article
- ISSN
- 0925-8388
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The Tc of Nd 1÷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
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