Figure 5 : Annihilation of dislocation-originated SFT under tensile deformation.

From: Atomic-scale dynamic process of deformation-induced stacking fault tetrahedra in gold nanocrystals

Figure 5

(ac) Sequential HRTEM images showing the annihilation of a dislocation-originated SFT induced by deformation. (a) SFT1 is observed in the pristine nanocrystal after cold welding. (b) Upon tensile loading, SFT2 is produced near SFT1. (c) Further deformation leads to the annihilation of SFT2 and nucleation of SFT3. Scale bar in (ac), 5 nm. (dh) MD snapshots showing the annihilation of a dislocation-originated SFT by dislocation–SFT interactions. (d) A closed SFT formed near a TB in the Au nanowire. (e,f) A partial dislocation with SF1 makes an edge-on interaction with the SFT, and shears and distorts the closed SFT. (gh) Partial dislocations with SF2 and SF3 nucleate subsequently, lead to the complete annihilation of the SFT.