Figure 6.

Atomic potential energy views. The atomic potential energy of the machining-induced surface and pristine single-crystal copper with two different perspective angles in the machining-induced surface and pristine single-crystal copper. (a1) and (a2), the top view on the machining surface; (b1) and (b2), the interior defects inside the specimen.

Zhang et al. Nanoscale Research Letters 2013 8:211   doi:10.1186/1556-276X-8-211
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