2026-06-29T02:38:11Zhttps://docta.ucm.es/rest/oai/requestoai:docta.ucm.es:20.500.14352/1344812026-04-08T23:51:32Zcom_20.500.14352_14col_20.500.14352_15
Docta Complutense
author
Jiménez-Sáez, José C.
author
Muñoz San Martín, Sagrario
author
Palacios, Pablo
2026-04-08T10:12:45Z
2026-04-08T10:12:45Z
2025-04-22
Jiménez-Sáez, J.C.; Muñoz, S.; Palacios, P. Pattern Formation on Alloys by Cluster Ion Beam Irradiation. Appl. Sci. 2025, 15, 4615. https://doi.org/10.3390/app15094615
10.3390/app15094615
https://hdl.handle.net/20.500.14352/134481
2076-3417
https://dx.doi.org/10.3390/app15094615
Surface nanopatterning induced by ion beam irradiation allows for the creation of patterns on large areas of a wide variety of materials. However, surface composition plays a crucial role in the process. In this study, we investigate the bombardment of a metallic alloy, specifically an Au-Cu system with different compositions, discussing differences in the formation of patterns compared to pure materials. Mixtures with compositions ranging from 35 to 65 at.% Cu exhibit a dampening effect on ripple height and depth. At intermediate angles of incidence, horizontal displacement is minimized and sputtering maximized; conversely, at grazing angles, sputtering is minimized and horizontal displacement becomes dependent on material mobility. It is, therefore, evident that sputtering determines the patterning for intermediate angles. However, an analysis of the redistribution factor as a function of the angle of incidence shows that the weight of the redistribution is much lower than that of sputtering in alloys of similar composition at grazing angles due to the amorphization process. This point is confirmed by the data on displaced atoms obtained from the relocation cross-sections.
eng
Attribution 4.0 International
Pattern formation on alloys by cluster ion beam irradiation
journal article
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https://docta.ucm.es/bitstreams/1311e571-5d62-4de2-a7bd-5215c576b51b/download
File
MD5
004537a7d0a4c96f06e500b70a6ec26f
2195278
application/pdf
applsci-15-04615.pdf