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| Thermophysical properties of Gd2Zr2O7 powders prepared by mechanical milling: effect of homovalent Gd3þ substitution | |
| JOSE ALONSO DIAZ GUILLEN MARIO ROMAN DIAZ GUILLEN ANTONIO FERNANDEZ FUENTES MARIA ANTONIA LOPEZ DE LA TORRE Ernst Bauer | |
| Acceso Abierto | |
| Artículo | |
| Inglés | |
| 20-Jul-2015 | |
| This contribution analyzes the thermophysical properties of Gd1.6Ln0.4Zr2O7 (Ln ¼ La3þ, Nd3þ, Sm3þ, Dy3þ and Er3þ) ceramics synthesized at room temperature, by mechanically milling stoichiometric mixtures of high purity oxides. Regardless of chemical composition, powders milled for 27 h show XRD patterns similar to fluorite-type materials. Post-milling thermal treatments at 1500 C, facilitates the evolution to the ordered pyrochlore derivative for Gd2Zr2O7, and the La3þ-, Nd3þ-, and Sm3þ-containing materials. By contrast, samples containing the smaller lanthanides (Dy3þ or Er3þ), maintain the fluorite structure. | |
| http://repositorio.ineel.mx/jspui/handle/123456789/248 | |
Files in This Item:
| File | Size | Format | |
|---|---|---|---|
| thermophysical-properties-of-gd2zr2o7-powders-prepared-by.pdf | 1.49 MB | Adobe PDF | View/Open |