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Single-crystal BiFeO3 (BFO) microplates with dominant (012) facets were successfully synthesized by a facile one-pot hydrothermal method. The adsorption behaviour of the organic ligands may play a key role in the formation of the BFO microplates.

Tetragonal perovskite PbTiO3 nanofibers are prepared by a two‐step method comprising synthesis of pre‐perovskite (PP) PbTiO3 nanofibers by a hydrothermal method followed by annealing at 680 °C. Adjustment of the Pb/Ti molecular ratio in the hydrothermal reaction controls the size of the PP nanofibers and hence of the perovskite PbTiO3 nanofibers. Ferroelectric properties remain in fibers of diameter 13 nm.

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