Low-temperature preparation of nanoplated bismuth titanate microspheres by a sol–gel-hydrothermal method
作者： Zhiwu Chen , Xinhua He
DOI: 10.1016/J.JALLCOM.2010.03.053
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摘要: Abstract A layered inorganic perovskite micrometer-scale material, nanoplated bismuth titanate (Bi4Ti3O12) microspheres (NBTMs) constructed with tens of Bi4Ti3O12 nanoplates, was for the first time synthesized by a novel sol–gel-hydrothermal route. The as-prepared samples were characterized X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy. results indicated that NBTMs possessed an average diameter about 1.0 μm while its comprising nanoplates had thickness and side length 15 200 nm respectively, processing temperature as low 180 °C, which is comparatively lower than normal sol–gel It believed gel precursor hydrothermal environment play important role in formation at temperature. Due to good sinterability NBTMs, ferroelectric dielectric properties ceramics prepared route super
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