Abstract

We report on studies on writing of micro- and nanodomains and specified domain patterns by AFM-tip voltages UDC in thin (0.5 μm thick) ion-sliced LiNbO3 films embedded to SiO2/LiNbO3 substrates. A peculiar feature is an overlapping of domains as the distance between them decreases. Piezoelectric hysteresis loops were measured in a wide range of UDC pulse durations. Domain dynamics and characteristics of hysteresis loops reveal marked distinctions from those observed so far in LiNbO3 films and bulk crystals.

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