A new structure related to the layered cuprates: The {open_quotes}1201{angstrom} shear-like phase Tl{sub 5}Ba{sub 3}Sr{sub 5}Cu{sub 3}O{sub 19}, third member of the series (TlA{sub 2}CuO{sub 5}){sub m}{center_dot}Tl{sub 2}A{sub 2}O{sub 4}
Journal Article
·
· Journal of Solid State Chemistry
OSTI ID:518571
- ESMRA, Caen (France); and others
A thallium cuprate, Tl{sub 5}Ba{sub 3}Sr{sub 5}Cu{sub 3}O{sub 19}, whose structure can be derived by systematically shearing the {open_quotes}1201{close_quotes} structure has been synthesized for the first time. It crystallizes in an orthorhombic cell with a=3.7536(2) {angstrom}, b=30.631(2) {angstrom}, c=9.219(1) {angstrom}, and A-type symmetry. This new structure consists of {open_quotes}1201{close_quotes} ribbons parallel to (010) which are three CuO{sub 6} octahedra wide and are interconnected through {open_quotes}Tl{sub 2}A{sub 2}O{sub 4}{close_quotes} ribbons whose cationic configuration is that of the rock salt structure. This phase can be considered to be the m = 3 member of a new series with the generic formulation (TlA{sub 2}CuO{sub 5}){sub m} {center_dot} Tl{sub 2}A{sub 2}O{sub 4} with A = Ba, Sr.
- OSTI ID:
- 518571
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 1 Vol. 128; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
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· Chemistry of Materials; (United States)
·
OSTI ID:6768124
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Journal Article
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Wed Aug 01 00:00:00 EDT 1990
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·
OSTI ID:6336111