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Título: | Low-temperature nucleation of rutile observed by Raman Spectroscopy during crystallization of TiO2. |
Autor: | Ocaña, Manuel CSIC ORCID; García-Ramos, José Vicente CSIC ORCID; Serna Pereda, Carlos J. CSIC | Palabras clave: | Anatase Raman spectroscopy Crystallization Titania Rutile |
Fecha de publicación: | 1992 | Editor: | American Ceramic Society | Citación: | Journal of the American Ceramic Society 75: 2010-2012 (1992) | Resumen: | The thermal evolution of amorphous TiO2 powders, consisting of spherical particles and prepared by hydrolysis of a titanium ethoxide aerosol, was studied by using Raman spectroscopy. On calcination at 350°C, the solid crystallized, giving anatase as a major phase. A small amount of rutile was also detected and attributed to small seeds localized at the particle outlayer. The nucleation of rutile at so low a temperature was ascribed to the presence of organic impurities in the powders. The transformation of anatase into rutile was clearly observed after heating at 660°C. © 1992 | URI: | http://hdl.handle.net/10261/89020 | DOI: | 10.1111/j.1151-2916.1992.tb07237.x | Identificadores: | doi: 10.1111/j.1151-2916.1992.tb07237.x issn: 0002-7820 |
Aparece en las colecciones: | (ICMM) Artículos (CFMAC-IO) Artículos |
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