Ultrafast photoelectric characteristic has been observed in La0.67Ca0.33MnO3 films on tilted SrTiO3 substrates. A pico-second (ps) open-circuit photovoltage of the perovskite manganese oxide films has been obtained when the films were irradiated by a 1.064 mum laser pulse of 25 ps duration. The rise time and full width at half-maximum of the photovoltage pulse are similar to300 ps and similar to700 ps, respectively. The photovoltaic sensitivity was as large as similar to500 mV/mJ.
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