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Simulated atomic configurations of the Au–Pd multilayer nanowires at with only a segment shown and the Au, Pd atoms indicated by green and blue balls, respectively. (a) Initial configuration. (b) Reorientation into  nanowires. (c) Loading up to a strain of 30%. (d), (e), and (f) represent the end of unloading process for maximum strain values of 10%, 20% and 30%, respectively.
Simulated atomic configurations of the Au–Pd multilayer nanowires at : (a)–(f) are the same cases as those of Fig. 1.
Initial compressive stress in the Au–Pd multilayer nanowires and elemental Au and Pd nanowires. 1-1, 2-2, 3-3, 4-4, and 5-5 denote the number of Au and Pd cubic lattice units stacked along the wire axial direction in a supercell.
Stress-strain curves of the Au–Pd multilayer nanowires loaded (solid lines) and unloaded (dashed lines) at (a) and (b) .
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