Information card for entry 1008448

Structure parameters

• Chemical name: Yttrium barium copper oxide (1/2/4/8.1)
• Formula: Ba2 Cu4 O8.06 Y
• Calculated formula: Ba2 Cu4 O8.056 Y
• Title of publication: Two New Bulk Superconducting Phases in the Y-Ba-Cu-O System: Y Ba~2~ Cu~3.5~ O~7+x~ (T~c~ 40K) and Y Ba~2~ Cu~4~ O~8+x~ (T~c~ 80K)
• Authors of publication: Karpinski, J; Kaldis, E; Rusiecki, S; Jilek, E; Fischer, P; Bordet, P; Chaillout, C; Chenavas, J; Hodeau, J L; Marezio, M
• Journal of publication: Journal of the Less-Common Metals
• Year of publication: 1989
• Journal volume: 150
• Pages of publication: 129 - 137
• a: 3.8415 ± 0.0003 Å
• b: 3.8707 ± 0.0003 Å
• c: 27.24 ± 0.002 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 405 ų
• Number of distinct elements: 4
• Space group number: 65
• Hermann-Mauguin space group symbol: A m m m
• Hall space group symbol: -A 2 2
• Residual factor for all reflections: 0.068
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No