Figure 1
Free charge generation mechanism. (a). Piezoelectric effect. (b). Triboelectric effect. (c). Crack propagation effect. (d). Crystal defect effect. (e) crack tip discharge effect.
Figure 1 | Scientific Reports
Free charge generation mechanism. (a). Piezoelectric effect. (b). Triboelectric effect. (c). Crack propagation effect. (d). Crystal defect effect. (e) crack tip discharge effect.
