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ABSTRACT
Domain configuration during polarization switching in ferroelectric thin films was studied by optical second harmonic generation on different time scales: quasistatic (0.1 Hz), low-frequency (0.1–1 kHz) and fast (0.1 GHz). It is shown that within the electric pulses of several tenth of nanoseconds domain configuration may be different from the equilibrium.
ACKNOWLEDGMENTS
The work is supported by RFBR (grants 06-02-17534, 05-02-90570-HHC, NSC-RFBR No 94WFA0100098) and Ministry of Education and Science of RF.