Structure of the single-phase high-temperature superconductor YBa2Cu3O7-δ

We have determined the crystal structure of the single-phase stoichiometric high-temperature superconductor in the Y-Ba-Cu-O system using high-resolution neutron powder diffraction. This compound has an orthorhombic structure with space group Pmmm and lattice constants a=3.8231 Å, b=3.8864 Å, and c=...

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Bibliographic Details
Published in:Applied physics letters 1987-07, Vol.51 (1), p.57-59
Main Authors: BENO, M. A, SODERHOLM, L, CAPONE, D. W. II, HINKS, D. G, JORGENSEN, J. D, GRACE, J. D, SCHULLER, I. K, SEGRE, C. U, ZHANG, K
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Inorganic compounds
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
Water, oxides, hydroxides, peroxides
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Summary:We have determined the crystal structure of the single-phase stoichiometric high-temperature superconductor in the Y-Ba-Cu-O system using high-resolution neutron powder diffraction. This compound has an orthorhombic structure with space group Pmmm and lattice constants a=3.8231 Å, b=3.8864 Å, and c=11.6807 Å. The structure consists of ‘‘dimpled’’ CuO2 layers in the a-b planes loosely bonded by one-dimensional fencelike square-planar CuO3 chains in the b-c planes.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.98886