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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 ISSN 1477-9234.

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Official URL: http://dx.doi.org/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
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science, Engineering and Medicine > Engineering > 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:
DateEvent
7 October 2018Published
13 August 2018Available
10 August 2018Accepted
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 (Creative Commons)
Date of first compliant deposit: 17 October 2018
Date of first compliant Open Access: 18 October 2018
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
RPG-2017-011Leverhulme Trusthttp://dx.doi.org/10.13039/501100000275
Bolashak International ScholarshipMinistry of Education and Science of the Republic of Kazakhstanhttp://dx.doi.org/10.13039/501100004561

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