Multi-shell gold nanowires under compression

Details Multi-shell gold nanowires under compression Multi-shell gold nanowires under compression

2001-10-04

arxiv.org/abs/cond-mat/0110087v1

J. Phys.: Condens. Matter 13, 11531 (2001)

Physics

Condensed Matter

Materials Science

1 gif figure, 5 ps figures

Scientific paper

10.1088/0953-8984/13/50/312

Deformation properties of multi-wall gold nanowires under compressive loading are studied. Nanowires are simulated using a realistic many-body potential. Simulations start from cylindrical fcc(111) structures at T=0 K. After annealing cycles axial compression is applied on multi-shell nanowires for a number of radii and lengths at T=300 K. Several types of deformation are found, such as large buckling distortions and progressive crushing. Compressed nanowires are found to recover their initial lengths and radii even after severe structural deformations. However, in contrast to carbon nanotubes irreversible local atomic rearrangements occur even under small compressions.

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