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Enhanced sputtering yields from single-ion impacts on gold nanorods

Greaves, Graeme, Hinks, JA, Busby, P, Mellors, NJ, Ilinov, A, Kuronen, A, Nordlund, K and Donnelly, SE 2013, 'Enhanced sputtering yields from single-ion impacts on gold nanorods' , Physical Review Letters (PRL), 111 (6) , pp. 1-5.

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Abstract

Sputtering yields, enhanced by more than an order of magnitude, have been observed for 80 keV Xe ion irradiation of monocrystalline Au nanorods. Yields are in the range 100-1900 atoms/ion compared with values for a flat surface of ≈50. This enhancement results in part from the proximity of collision cascades and ensuing thermal spikes to the nanorod surfaces. Molecular dynamic modeling reveals that the range of incident angles occurring for irradiation of nanorods and the larger number of atoms in ?explosively ejected? atomic clusters make a significant contribution to the enhanced yield.

Item Type: Article
Schools: Schools > School of Computing, Science and Engineering
Schools > School of Computing, Science and Engineering > Salford Innovation Research Centre (SIRC)
Journal or Publication Title: Physical Review Letters (PRL)
Publisher: American Physical Society
ISSN: 0031-9007
Funders: Non funded research
Depositing User: H Kenna
Date Deposited: 09 Sep 2013 14:37
Last Modified: 30 Nov 2015 23:54
URI: http://usir.salford.ac.uk/id/eprint/29478

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