Figure 1.

(Color online)aSchematic of twinned nanowires with square (left) and circular (right) cross-sections; gray spheres represent atoms in FCC structure and red spheres those in HCP structure.bStress-strain curve for nanowires with twin spacing of 5.25 nm

Zhang and Huang Nanoscale Research Letters 2008 4:34-38   doi:10.1007/s11671-008-9198-1