Single-crystal lead titanate perovskite dendrites derived from single-crystal lead titanate pyrochlore dendrites by phase transition at elevated temperature

► Single-crystal PbTiO3 perovskite dendrites were firstly prepared. ► Single-crystal Pb2Ti2O6 pyrochlore dendrites were hydrothermally synthesized. ► After the phase transition the feature of the Pb2Ti2O6 dendrites is preserved. ► The trunks and branches of the PbTiO3 dendrites are along the [100] direction.