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Dielectric Response of Ceramic-Polymer Composite with High Permittivity

Published online by Cambridge University Press:  01 February 2011

Xiaobing Shan ,
Lin Zhang ,
Pei-xuan Wu ,
Canran Xu  and
Zhong-Yang Cheng
Xiaobing Shan
Affiliation:
shanxia@auburn.edu, Materials Research and Education Center, Mechanical Engineering, Auburn University, 36849, Alabama, United States
Lin Zhang
Affiliation:
lzz0002@auburn.edu, United States
Pei-xuan Wu
Affiliation:
wupeixu@auburn.edu, Materials Research and Education Center, Mechanical Engineering, Auburn University, Auburn, Alabama, United States
Canran Xu
Affiliation:
canranxu@gmail.com, Materials Research and Education Center, Mechanical Engineering, Auburn University, Auburn, Alabama, United States
Zhong-Yang Cheng
Affiliation:
chengzh@auburn.edu, United States
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Abstract

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.

Keywords

compositeceramicdielectric properties
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1134: Symposium BB – Polymer-Based Smart Materials–Processes, Properties and Application , 2008 , 1134-BB08-10
Copyright
Copyright © Materials Research Society 2009

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References

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