Experimental and theoretical studies of the energy-loss straggling of H and He ion beams in HfO2 films
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Título: | Experimental and theoretical studies of the energy-loss straggling of H and He ion beams in HfO2 films |
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Autor/es: | Abril, Isabel | Behar, Moni | García Molina, Rafael | Fadanelli, Raúl C. | Nagamine, Luiz C.C.M. | Grande, P.L. | Schünemann, L. | Denton Zanello, Cristian D. | Arista, Néstor R. | Saitovitch, E.B. |
Grupo/s de investigación o GITE: | Interacción de Partículas Cargadas con la Materia |
Centro, Departamento o Servicio: | Universidad de Alicante. Departamento de Física Aplicada |
Palabras clave: | Energy loss straggling | Stopping power | Dielectric properties of solids and liquids | HfO2 films |
Área/s de conocimiento: | Física Aplicada |
Fecha de publicación: | 6-jun-2009 |
Editor: | EDP Sciences | Società Italiana di Fisica | Springer |
Cita bibliográfica: | ABRIL, I., et al. “Experimental and theoretical studies of the energy-loss straggling of H and He ion beams in HfO2 films”. The European Physical Journal D. Vol. 54, No. 1 (July 2009). ISSN 1434-6060, pp. 65-70 |
Resumen: | We report an experimental-theoretical study of the energy-loss straggling of protons and alpha particles in HfO2 films. In the case of H ions the experiments were performed in the energy range 40–1750 keV. For the lower energy interval (40–250 keV) we have used the medium energy ion scattering (MEIS) technique with a resolution of ΔE/E∼ 4×10-3, while for the higher energies the Rutherford backscattering technique (RBS) was employed with an overall resolution of 7 keV. Concerning the He ions the straggling study has covered an energy range between 250 and 3000 keV by using RBS measurements, which in this case had a resolution better than 10 keV. The theoretical calculations were done in the framework of the dielectric formalism using the MELF-GOS model to obtain a proper description of the energy loss function (ELF) of the HfO2 target. It is shown that for both projectiles the experimental data and the theoretical predictions for the energy-loss straggling display a very good agreement. |
Patrocinador/es: | Work financially supported by the Spanish Ministerio de Ciencia e Innovación (Projects Nos. FIS2006-13309-C02-01 and FIS2006-13309-C02-02) and Universitat d’Alacant (Project GRE07-1P). C.D.D. thanks the Spanish Ministerio de Ciencia e Innovación and Generalitat Valenciana for support under the Ramón y Cajal Program. Also this work was supported by the Brazilian CNPq Agency under the contract 150757/2007. |
URI: | http://hdl.handle.net/10045/25398 |
ISSN: | 1434-6060 (Print) | 1434-6079 (Online) |
DOI: | 10.1140/epjd/e2009-00168-7 |
Idioma: | eng |
Tipo: | info:eu-repo/semantics/article |
Derechos: | © EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2009 |
Revisión científica: | si |
Versión del editor: | http://dx.doi.org/10.1140/epjd/e2009-00168-7 |
Aparece en las colecciones: | INV - IPCM - Artículos de Revistas |
Archivos en este ítem:
Archivo | Descripción | Tamaño | Formato | |
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2009_EPJD54(2009)65_stg_HfO2.pdf | Versión final (acceso restringido) | 648,89 kB | Adobe PDF | Abrir Solicitar una copia |
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