Open Access Nano Express

Size evolution of ion beam synthesized Pb nanoparticles in Al

Huan Wang and Hongzhi Zhu

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Nanoscale Research Letters 2014, 9:346  doi:10.1186/1556-276X-9-346

Published: 10 July 2014

Abstract (provisional)

The size evolution of Pb nanoparticles (NPs) synthesized by ion implantation in an epitaxial Al film has been experimentally investigated. The average radius R of Pb NPs was determined as a function of implantation fluence f. The R(f) data were analyzed using various growth models. Our observations suggest that the size evolution of Pb NPs is controlled by the diffusion-limited growth kinetics (R 2?f). With increasing implantation current density, the diffusion coefficient of Pb atoms in Al is evident to be enhanced. By a comparative analysis of the R(f) data, values of the diffusion coefficient of Pb in Al were obtained.

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