Eu{sub 2.5}Ba{sub 2.5}Co{sub 2}O{sub 12}, an intergrowth of the {open_quotes}112{close_quotes} and {open_quotes}123{close_quotes} structures
Journal Article
·
· Journal of Solid State Chemistry
- Universite de Caen (France)
A regular intergrowth of the 112 and 123 structures has been synthesized for the first time. The new phase Eu{sub 2.5}Ba{sub 2.5}Co{sub 2}Cu{sub 3}O{sub 12} crystallizes in the space group P4/mmm with a = 3.8935(2) {angstrom} and c = 19.085(2) {angstrom}. Its XRPD and HREM study demonstrates that it corresponds to the first (n = n{prime} = 1) member of the intergrowth series [LnBa(Co,Cu){sub 2}O{sub 5}]{sub n} [LnBa{sub 2}(Co,Cu){sub 3}O{sub 7}]{sub n{prime}}. The observation of several intergrowth defects suggests that it should be possible to synthesize other members of the series. The EDX analysis and the HREM observations show a complex cationic distribution involving local ordering of cobalt and copper that may mainly occur on the intermediate (Cu,Co) sites, i.e., between the pyramidal layers.
- OSTI ID:
- 508652
- Journal Information:
- Journal of Solid State Chemistry, Journal Name: Journal of Solid State Chemistry Journal Issue: 2 Vol. 111; ISSN 0022-4596; ISSN JSSCBI
- Country of Publication:
- United States
- Language:
- English
Similar Records
The layered manganocuprate Eu{sub 3}Ba{sub 2}Mn{sub 2}Cu{sub 2}O{sub 12}: An intergrowth between the {open_quotes}123{close_quotes} and {open_quotes}0201{close_quotes} structures
The fourth member of the tubular family [Bi{sub 2}Sr{sub 2}CoO{sub 6}]{sub n}[Sr{sub 8}Co{sub 6}O{sub 16{minus}{delta}}]: Bi{sub 5.8}Sr{sub 15.2}Co{sub 10}O{sub 40{minus}{delta}}
A new perovskite-related compound Y{sub 2}Ba{sub 3}Cu{sub 3}Co{sub 2}O{sub 12}
Journal Article
·
Tue Feb 14 23:00:00 EST 1995
· Journal of Solid State Chemistry
·
OSTI ID:508745
The fourth member of the tubular family [Bi{sub 2}Sr{sub 2}CoO{sub 6}]{sub n}[Sr{sub 8}Co{sub 6}O{sub 16{minus}{delta}}]: Bi{sub 5.8}Sr{sub 15.2}Co{sub 10}O{sub 40{minus}{delta}}
Journal Article
·
Tue Nov 30 23:00:00 EST 1999
· Chemistry of Materials
·
OSTI ID:20014835
A new perovskite-related compound Y{sub 2}Ba{sub 3}Cu{sub 3}Co{sub 2}O{sub 12}
Journal Article
·
Tue Feb 28 23:00:00 EST 1995
· Journal of Solid State Chemistry
·
OSTI ID:75767