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Título: | Effects of thermal annealing on the structural and electronic properties of rare earth-implanted MoO3 nanoplates |
Autor: | Vila, M.; Díaz-Guerra, Carlos; Lorenz, K.; Piqueras, J.; Píš, I.; Magnano, E.; Munuera, C. CSIC ORCID ; Alves, E.; García-Hernández, Mar CSIC ORCID | Fecha de publicación: | may-2017 | Editor: | Royal Society of Chemistry (UK) | Citación: | CrystEngComm 19(17): 2339-2348 (2017) | Resumen: | The compositional, structural and morphological recovery of α-MoO nanoplates implanted with Eu and Er ions has been assessed as a function of post-implantation thermal treatments. Rapid thermal annealing induces the formation of phases different from α-MoO and seems to be unable to recover the original oxygen content of the nanostructures. In contrast, conventional annealing in air at 450 °C for 4 hours fully recovers the original molybdenum trioxide structure and leads to an effective optical activation of both Er and Eu ions. Synchrotron-based X-ray photoelectron spectroscopy and X-ray absorption studies confirm the incorporation of the rare earth ions into their trivalent charge state and reveal the modification of the original valence band structure of the nanoplates. | Versión del editor: | http://doi.org/10.1039/C7CE00242D | URI: | http://hdl.handle.net/10261/188326 | DOI: | 10.1039/c7ce00242d | Identificadores: | doi: 10.1039/c7ce00242d issn: 1466-8033 |
Aparece en las colecciones: | (ICMM) Artículos |
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