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Título: | Tilt angle control of nanocolumns grown by glancing angle sputtering at variable argon pressures |
Autor: | García-Martín, José Miguel CSIC ORCID ; Álvarez, Rafael CSIC ORCID ; Romero-Gómez, Pablo CSIC; Cebollada, Alfonso CSIC ORCID; Palmero, Alberto CSIC ORCID | Palabras clave: | Gold Monte Carlo methods Nanofabrication Nanostructured materials Sputter deposition Tilt boundaries |
Fecha de publicación: | 25-oct-2010 | Editor: | American Institute of Physics | Citación: | Applied Physics Letters, 97 (2010) | Resumen: | We show that the tilt angle of nanostructures obtained by glancing angle sputtering is finely tuned by selecting the adequate argon pressure. At low pressures, a ballistic deposition regime dominates, yielding high directional atoms that form tilted nanocolumns. High pressures lead to a diffusive regime which gives rise to vertical columnar growth. Monte Carlo simulations reproduce the experimental results indicating that the loss of directionality of the sputtered particles in the gas phase, together with the self-shadowing mechanism at the surface, are the main processes responsible for the development of the columns. | Versión del editor: | http://dx.doi.org/10.1063/1.3506502 | URI: | http://hdl.handle.net/10261/29109 | DOI: | 10.1063/1.3506502 | ISSN: | 0003-6951 |
Aparece en las colecciones: | (IMN-CNM) Artículos (ICMS) Artículos |
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Fichero | Descripción | Tamaño | Formato | |
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García-Martín, J.M. et al Appl. Phys. Lett_97_2010.pdf | 402,1 kB | Adobe PDF | Visualizar/Abrir |
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