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Soft chemistry synthesis of the perovskite CaCu3Ti4O12

Marchin, Loïc and Guillemet-Fritsch, Sophie and Durand, Bernard Soft chemistry synthesis of the perovskite CaCu3Ti4O12. (2007) Progress in Solid State Chemistry, vol. 36 (n° 1 - 2). pp. 151-155. ISSN 0079-6786

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Official URL: http://dx.doi.org/10.1016/j.progsolidstchem.2007.10.001

Abstract

The perovskite CaCu3Ti4O12 (CCT) has been obtained after calcination of oxalate precursors at 900–1000 °C in air. Those precursors are prepared using a soft chemistry method, the coprecipitation. The oxalate powders consist of disk-like particles of 2–3 μm diameter and 300–400 nm thickness. By varying the ratio of the initial amounts of metal chlorides, additional phases (CaTiO3, TiO2 and CuO) could be obtained besides CCT. The corresponding multiphased ceramics present improved dielectric properties.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Progress in Solid State Chemistry website : http://www.sciencedirect.com/science/journal/00796786
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Deposited By:Celine Cabaup

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