fig6
From: Microstructure and piezoelectric properties of AC poled relaxor-PbTiO3 perovskite single crystals
Figure 6. Macro-domain structures and dielectric and piezoelectric properties of SCs (A) DEP after 250 °C heat treatment; (B) UDP-ACP, after (B) 2 cycles; (C) 4 cycles; and (D) 8 cycles. SC: single crystal; DEP: depolarization; UDP: under-polarization; ACP: alternating-current poling.
