Abstract
LiTaO3 (LTO) ferroelectric nanocrystals and transparent polycarbonate (PC) composite thin films were prepared by a spin-coating technique. LTO (∼100 nm) nanocrystals with pure hexagonal phase were synthesized by a polymerizable complex route. The structure and morphology of LTO nanocrystals and LTO/PC composite films were studied by means of x-ray diffraction, transmission electron microscopy, and scanning electron microscopy. The transmittance and dielectric properties of LTO/PC composite films were also evaluated. The LTO/PC composite films show better transparency (90%) in visible light range with a band gap of 4.63 eV. The dielectric constant and loss of LTO/PC films is 4.0 and 0.05 at 10 kHz, respectively.
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