Based on solution casting method, a ceramic [CaCu3Ti4O12 (CCTO)]-Polymer [P(VDF-TrFE)] composite with flexibility has been synthesized and its dielectric response has been studied. The CCTO ceramic powders were prepared by traditional sintering method and were milled with a relative uniform size. The dielectric properties of these films with micro-size and nano-size CCTO particle, as well as different polymer matrixes were determined. The process was optimized by hot pressing and surface modification to achieve high dielectric constant. A dielectric constant about 175 for one layer composite with high flexibility using silane coupling agent was obtained at 1 kHz at room temperature.
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Shan, X., Zhang, L., Wu, P. et al. Dielectric Response of Ceramic-Polymer Composite with High Permittivity. MRS Online Proceedings Library 1134, 810 (2008). https://doi.org/10.1557/PROC-1134-BB08-10