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Simple hydrothermal synthesis and sintering of Na 0.5Bi 0.5TiO 3 nanowires

Simple hydrothermal synthesis and sintering of Na 0.5Bi 0.5TiO 3 nanowires,10.1016/j.jallcom.2011.07.034,Journal of Alloys and Compounds,Xiangping Jia

Simple hydrothermal synthesis and sintering of Na 0.5Bi 0.5TiO 3 nanowires   (Citations: 1)
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Single-crystalline Na0.5Bi0.5TiO3 (NBT) nanowires, with diameters of 100nm and lengths of about 4μm, were synthesized by using a simple hydrothermal method. Phase composition, morphology and microstructure of the as-prepared powders were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscope (TEM). The effects of reaction temperature and reaction time on precipitation of the NBT nanowires were investigated. It was found that reaction time significantly influenced the growth behavior of the powders in the hydrothermal system. Based on the experimental results, the one-dimensional (1D) growth mechanism of the NBT was governed by a dissolution–recrystallization mechanism. NBT ceramics derived from the nanowires showed typical characteristics of relaxor ferroelectrics, with diffuseness exponent γ of as high as 1.73.
Journal: Journal of Alloys and Compounds - J ALLOYS COMPOUNDS , vol. 509, no. 38, pp. 9346-9350, 2011
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