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(Color online) Experimental configuration of photovoltage (V/cm).
(Color online) ZFC and ZFH dielectric permittivities of (a) and (b) . The inset in (a) is the reciprocal of taken from .
Hysteresis loop of polarization vs field obtained at RT.
(Color online) Photovoltage vs light intensity for the unpoled samples.
(Color online) Photovoltage vs light intensity ( and ) for various prior poling fields. The solid line is the fitting of equation, , for the poled samples under illumination.
Optical transmission vs wavelength taken at RT.
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