fig17

Figure 17. (A) A series of TEM images which show a vitrification-crystallization cycle in a tantalum sample when applying two electrical pulses with different voltages. Reproduced with permission^[132]. Copyright 2014, Springer Nature. (B) The surface annihilation of Σ3{112} 1 TB in Au nanocrystal under the continuous electrical pulses. Reproduced with permission^[135]. Copyright 2022, Springer Nature.