Thermoanalytical study of the decomposition of yttrium trifluoroacetate thin films
We present the use of the thermal analysis techniques to study yttrium trifluoroacetate thin films decomposition.In situ analysis was done by means of thermogravimetry, differential thermal analysis, and evolved gas analysis.Solid residues at different stages and the final product have been characte...
| Autores: | , , , , , , |
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| Tipo de recurso: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2013 |
| País: | España |
| Institución: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:10256/9834 |
| Acceso en línea: | http://hdl.handle.net/10256/9834 |
| Access Level: | acceso abierto |
| Palabra clave: | Pyrolysis Thermal analysis Thin films Anàlisi tèrmica Piròlisi Capes fines Itri Yttrium |
| Sumario: | We present the use of the thermal analysis techniques to study yttrium trifluoroacetate thin films decomposition.In situ analysis was done by means of thermogravimetry, differential thermal analysis, and evolved gas analysis.Solid residues at different stages and the final product have been characterized by X-ray diffraction and scanning electron microscopy.The thermal decomposition of yttrium trifluoroacetate thin films results in the formation of yttria and presents the same succession of intermediates than powder's decomposition, however, yttria and all intermediates but YF3 appear at significantly lower temperatures.We also observe a dependence on the water partial pressure that was not observed in the decomposition of yttrium trifluoroacetate powders.Finally, a dependence on the substrate chemical composition is discerned |
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