Abstract
The effect of ferroelectric polarization on the adsorption and reaction of ethanol on BaTiO 3 was studied using temperature-programmed desorption (TPD). Consistent with previous studies for methanol, the reactive sticking coefficient for ethanol on the surfaces of the ferroelectric, tetragonal phase of BaTiO 3 was found to be dependent on the orientation of the ferroelectric domains with a higher sticking coefficient on the c + surface relative to the c − surface. TPD peak shapes and the relative product yields were also found to be polarization dependent suggesting that ferroelectric polarization may affect the intrinsic reactivity of the surface.
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