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Advanced Calcium Copper Titanate/Polyimide Functional Hybrid Films with High Dielectric Permittivity
Author(s) -
Dang ZhiMin,
Zhou Tao,
Yao ShengHong,
Yuan JinKai,
Zha JunWei,
Song HongTao,
Li JianYing,
Chen Qiang,
Yang WanTai,
Bai Jinbo
Publication year - 2009
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.200803427
Subject(s) - materials science , dielectric , polyimide , permittivity , composite material , thermal stability , copper , titanate , relative permittivity , polymer , filler (materials) , dielectric permittivity , ceramic , optoelectronics , chemical engineering , metallurgy , layer (electronics) , engineering
A functional hybrid film with high dielectric permittivity and good thermal stability is obtained using calcium copper titanate as filler in a polyimide polymer matrix. The giant dielectric permittivity of the filler and its semiconducting characteristics impart good dielectric properties to the hybrid films. A dielectric permittivity high as 49 is achieved at a 40 vol% filler concentration at 10 2 Hz.