2-D oxygen order in the 55 K-superconducting phase of Y-Ba-Cu-O

2-D oxygen order in the 55 K-superconducting phase of Y-Ba-Cu-O

Considering the nearest- and two next-nearest-neighbor interactions, phase diagrams are presented for oxygens in the middle layer of Y-Ba-Cu-O. A simple estimate indicates it is likely that the oxygens in the 55 K-phase are formed from the 90 K-phase by removing all oxygen atoms from every other Cu-...

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Veröffentlicht in:Japanese Journal of Applied Physics 1987-12, Vol.26 (12), p.L2015-L2017
Hauptverfasser: INOUE, M, TAKEMORI, T, SAKUDO, T
Format: Artikel
Sprache:eng
Schlagworte:
Condensed matter: structure, mechanical and thermal properties
Crystalline state (including molecular motions in solids)
Crystallographic aspects of phase transformations
pressure effects
Exact sciences and technology
Physics
Structure of solids and liquids
crystallography
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Beschreibung
Zusammenfassung:Considering the nearest- and two next-nearest-neighbor interactions, phase diagrams are presented for oxygens in the middle layer of Y-Ba-Cu-O. A simple estimate indicates it is likely that the oxygens in the 55 K-phase are formed from the 90 K-phase by removing all oxygen atoms from every other Cu-O chain.
ISSN:0021-4922
1347-4065
DOI:10.1143/jjap.26.l2015