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Orientation Analysis of Bulk YBCO from Incomplete Neutron Diffraction Data
Author(s) -
Chateigner D.,
Wenk H.R.,
Pernet M.
Publication year - 1997
Publication title -
journal of applied crystallography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.429
H-Index - 162
ISSN - 1600-5767
DOI - 10.1107/s0021889896008758
Subject(s) - texture (cosmology) , neutron diffraction , orientation (vector space) , materials science , condensed matter physics , superconductivity , phase (matter) , diffraction , magnetic field , field (mathematics) , physics , optics , geometry , mathematics , quantum mechanics , artificial intelligence , computer science , image (mathematics) , pure mathematics
Highly incomplete pole figures of a magnetic‐field‐aligned melt‐textured superconducting sample of the Y–Ba–Cu–O system were measured by neutron diffraction. The orientation distribution of the main superconducting 123 and a minor 211 phase have been derived with the WIMV algorithm. The 123 phase is strongly textured with a (001) maximum around 22 times that of a random distribution (m.r.d.) and a texture index of 30. There are two orientation components present that have no apparent relationship with the applied magnetic field. The texture of the 211 phase is weak, with a maximum of 1.7 m.r.d. The textures of the two phases appear to be correlated.