Force-Electric Coupling of Nanoscale Ferroelectric Domains Based on Piezoelectric Force Microscopy (PFM)

Table 3

Optimal piezoelectric coefficient and intrinsic piezoelectric coefficient of PZT-4.

	Intrinsic piezoelectric coefficient (C/m^2)			Optimized piezoelectric coefficient (C/m^2)
	1	11.5	-5.4	14.7	11.486	-5.346	14.822
2	11.5	-5.4	14.7	11.487	-5.428	14.604
3	11.5	-5.4	14.7	11.532	-5.398	14.676