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http://publications.jrc.ec.europa.eu/repository/handle/JRC54503| Title: | Thermal Expansion Behaviour of Ce2Zr2O7 up too 898 K in Conjunction with Structural Analyses by Neutron Diffraction |
| Authors: | RAISON Philippe; PAVEL Cladiu; JARDIN 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 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 periodicals and books |
| 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 Directorate: | Nuclear Safety and Security |
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