Abstract
Deformation properties of multi-wall gold nanowires undercompressive loading are studied. Nanowires are simulated using arealistic many-body potential. Simulations start from cylindricalface-centred cubic (111) structures at T = 0 K. After annealingcycles, axial compression is applied to multi-shell nanowires for anumber of radii and lengths at T = 300 K. Several types ofdeformation are found, such as large buckling distortions andprogressive crushing. Compressed nanowires are found to recovertheir initial lengths and radii even after severe structuraldeformations. However, in contrast to the case for carbonnanotubes, irreversible local atomic rearrangements occur even undersmall compressions.
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