Issue 8, 2014

On the twinning and special grain boundaries of bimetallic particles via pulsed laser ablation of bulk AuCu in a vacuum

Abstract

Bimetallic particles were formed by pulsed laser ablation of bulk AuCu in a vacuum and characterized by X-ray diffraction and transmission electron microscopy. The fcc-type AuCu3 and Cu-doped Au nanocondensates ca. 5 nm in size were coalesced over {001} and ~{111} vicinal surfaces to form quasi multiple twinned particles with solute/vacancy entrapped [110]{hkl} tilt boundaries with a symmetric {111}/{111} interface as well as asymmetric {001}/{111} and {331}/{112} interfaces. Polysynthetic {111} twinning due to strain relaxation and the shock effect was also observed for the alloyed particulates and nanocondensates.

Graphical abstract: On the twinning and special grain boundaries of bimetallic particles via pulsed laser ablation of bulk AuCu in a vacuum

Supplementary files

Article information

Article type
Paper
Submitted
11 Aug 2013
Accepted
02 Oct 2013
First published
02 Oct 2013

CrystEngComm, 2014,16, 1532-1539

On the twinning and special grain boundaries of bimetallic particles via pulsed laser ablation of bulk AuCu in a vacuum

B. Lin, C. Huang, P. Shen and S. Chen, CrystEngComm, 2014, 16, 1532 DOI: 10.1039/C3CE41596A

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