Self-assembled nanoskyscrapers of ferroelectric Bi4Ti3O12 were fabricated by a bottom-up process: flux-mediated epitaxy using an admixture flux. By combinatorial technique, we have discovered a novel flux, VOx, to assist the unique crystal growth for the in-plane alignment of the long c axis of Bi4Ti3O12 on a SrTiO3(001) substrate. We report on the self-assembly of an isolated epitaxial (110)-oriented Bi4Ti3O12 nanoplate and the direct measurement of the piezoelectric properties by a scanning probe microscope technique. Piezoelectric lattice displacement showed a typical butterfly curve, indicating good ferroelectric property.
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Takahashi et al. (2006) studied this question.
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