Shape memory effect in Cu nanowires.

  title={Shape memory effect in Cu nanowires.},
  author={Wuwei Liang and Min Zhou and Fujiu Ke},
  journal={Nano letters},
  volume={5 10},
A rubber-like pseudoelastic behavior is discovered in single-crystalline face-centered-cubic (FCC) Cu nanowires in atomistic simulations. Nonexistent in bulk Cu, this phenomenon is associated primarily with a reversible crystallographic lattice reorientation driven by the high surface-stress-induced internal stresses due to high surface-to-volume ratios at the nanoscale level. The temperature-dependence of this behavior leads to a shape memory effect (SME). Under tensile loading and unloading… CONTINUE READING
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