Title: Thermal Expansion Behaviour of Ce2Zr2O7 up too 898 K in Conjunction with Structural Analyses by Neutron Diffraction
Authors: RAISON PhilippePAVEL CladiuJARDIN R.SUARD E.HAIRE R.g.POPA Karin
Citation: PHYSICS AND CHEMISTRY OF MINERALS vol. 37 p. 555-559
Publisher: SPRINGER
Publication Year: 2010
JRC Publication N°: JRC54503
ISSN: 0342-1791
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC54503
DOI: 10.1007/s00269-010-0356-5
Type: Articles in Journals
Abstract: The thermal expansion of cubic pyrochlore Ce2Zr2O7 has been measured from room temperature to 898 K on polycrystalline material in conjunction with structural analyses using neutron diffraction. This compound has a thermal expansion coefficient in line with the other comparable lanthanoide pyrochlore oxides. The coefficient can be expressed as ¿(T) = 8.418×10-6 + 0.9861×10-9×T. The structural refinements performed for each measured temperature showed a comparable linear evolution of the Ce-O / Zr-O distances (within 0.57%).
JRC Institute:Institute for Transuranium Elements

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