Abstract

Na0.5Bi0.5TiO3 (NBT) nanowhiskers with diameters of 20 nm and lengths of 300 nm have been prepared atlow temperature by using a sol–gel–hydrothermal technique, which combined theconventional sol–gel process and the hydrothermal method. The reaction conditions such asalkali concentration and temperature were investigated. The powders were characterized byx-ray diffraction (XRD), Fourier transform infrared (FTIR) absorption spectroscopy,transmission electron microscopy (TEM), high-resolution transmission electron microscopy(HRTEM) and scanning electron microscopy (SEM). It is believed that the gel precursorand hydrothermal environment play an important role in the formation of thenanowhiskers.

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