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Carbonate : an alternative dopant to stabilize new perovskite phases ; synthesis and structure of Ba3Yb2O5CO3 and related isostructural phases Ba3Ln2O5CO3 (Ln = Y, Dy, Ho, Er, Tm and Lu)
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Deakin, Joshua, Trussov, Ivan, Gibbs, Alexandra, Kendrick, Emma and Slater, Peter R. (2018) Carbonate : an alternative dopant to stabilize new perovskite phases ; synthesis and structure of Ba3Yb2O5CO3 and related isostructural phases Ba3Ln2O5CO3 (Ln = Y, Dy, Ho, Er, Tm and Lu). Dalton Transactions, 47 (37). pp. 12901-12906. doi:10.1039/c8dt02691b
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Abstract
In this paper we report the synthesis of the new layered perovskite oxide carbonate, Ba3Yb2O5CO3. This phase is formed when 3BaCO(3):1Yb(2)O(3) mixtures are heated in air at temperatures 1000 degrees C, while above this temperature the carbonate is lost and the simple oxide phase Ba3Yb4O9 is observed. The structure of Ba3Yb2O5CO3 was determined from neutron diffraction studies and consists of a tripled perovskite with double Yb-O layers separated by carbonate layers, the first example of a material with such a structure. Further studies showed that analogous Ba(3)Ln(2)O(5)CO(3) phases could be formed for other rare earths (Ln = Y, Dy, Ho, Er, Tm and Lu). The results highlight the ability of the perovskite structure to accommodate carbonate groups, and emphasise the need to consider their potential presence particularly for perovskite systems prepared in lower temperature synthesis routes.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QD Chemistry | |||||||||
| Divisions: | Faculty of Science > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
| SWORD Depositor: | Library Publications Router | |||||||||
| Library of Congress Subject Headings (LCSH): | Perovskite -- Synthesis, Carbonates -- Synthesis, Metallic oxides | |||||||||
| Journal or Publication Title: | Dalton Transactions | |||||||||
| Publisher: | Royal Society of Chemistry (RSC) | |||||||||
| ISSN: | 1477-9234 | |||||||||
| Official Date: | 7 October 2018 | |||||||||
| Dates: |
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| Volume: | 47 | |||||||||
| Number: | 37 | |||||||||
| Page Range: | pp. 12901-12906 | |||||||||
| DOI: | 10.1039/c8dt02691b | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Open Access | |||||||||
| RIOXX Funder/Project Grant: |
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