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Water adsorption on (001) BaTiO3 single crystal surface under varying relative humidity conditions was studied by ab initio calculations and scanning probe microscopy utilizing different operation modes. At 95% relative humidity water droplets nucleated only on c domains, preferential adsorption location for water dipoles. BaTiO3 (001) surface long 65% relative humidity exposure lead to no contrast between a and c domains observed by electrostatic force microscopy. Ab initio calculations confirm that water molecules prefer to adsorb on c domains due to their higher surface energy.
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He et al. (2011) studied this question.
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