Growth and Switching of Ferroelectric Nanocrystals from Ultrathin Film of Copolymer of Vinylidene Fluoride and Trifluoroethylene

Figure 1

Piezoresponse images of the crystals at the following stages: nanocrystal no. 1 (𝑅≈50 nm, ℎ≈15 nm) (a) initial phase image, (b) after applying a bias voltage +10 V, and (c) after applying a bias voltage −10 V; nanocrystal no. 21 (𝑅≈100 nm, ℎ≈25 nm) (d) topography, (e) initial phase image, and (f) after applying a bias voltage −10 V.

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