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(Color online) (a) Piezoresponse phase images of domains fabricated by series voltage pulses. Initial domain radius as a function of pulse (b) magnitude and (c) duration.
(Color online) Decay dynamic for the domain after poling with a pulse voltage at . Time dependence of the domain radius. The inset is the schematics of the domain configuration.
(a) Domain radius vs time in the decay process for domains with various initial radii. (b) Critical initial domain radius as a function of sample thickness.
Dependence of the domain lifetime on initial domain radius. The dashed line corresponds to the fitting curve using Eq. (2). The inset is the lasting time of the metastable state as a function of initial domain radius.
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