Lattice distortions due to oxygen migration in the Y-Ba-Cu-O system

Intensity reversals of X-ray diffraction peaks caused by different cooling conditions correspond to a change in superconductivity in the Y-Ba-Cu-O system, which has been explained as a result of distortions of crystal lattices. It is suggested that oxygen migration leads to the distortions, and an e...

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Bibliographic Details
Published in:Physics letters. A 1987-12, Vol.126 (1), p.58-60
Main Authors: Yang, Zhongjin, Wang, Litian, Pang, Dexing, Chen, Daolun
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Exact sciences and technology
Inorganic compounds
Metal complexes
Physics
Structure of solids and liquids
crystallography
Structure of specific crystalline solids
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Summary:Intensity reversals of X-ray diffraction peaks caused by different cooling conditions correspond to a change in superconductivity in the Y-Ba-Cu-O system, which has been explained as a result of distortions of crystal lattices. It is suggested that oxygen migration leads to the distortions, and an estimate is given in terms of the thermodynamics.
ISSN:0375-9601
1873-2429
DOI:10.1016/0375-9601(87)90478-6