Figure 10

Local PFM hysteresis loops: (a) amplitude signal and (b) phase signal of Si-Pt/CoFe2O4/BNT-BT0.08 heterostructure thin film.

Local PFM hysteresis loops: (a) amplitude signal and (b) phase signal of Si-Pt/CoFe2O4/BNT-BT0.08 heterostructure thin film.