Non-linear dielectric properties of vacuum deposited nanocrystalline polyaniline thin films

被引：8
|
作者：
Misra, S. C. K. [1 ]
Yadav, Maneesha [1 ]
Mathur, Prafull [1 ]
机构：
[1] Natl Phys Lab, New Delhi 110012, India
来源：
THIN SOLID FILMS | 2006年 / 514卷 / 1-2期
关键词：
non-linearity; vacuum; polyaniline; dielectric; thin film; LIGHT-EMITTING-DIODES; CHARGE-TRANSPORT; POLYMERS; DISPERSION;
D O I：
10.1016/j.tsf.2006.02.033
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Vacuum deposited polyaniline thin films have been found to exhibit a strong degree of non-linearity in the dielectric properties. As a function of change in the differential capacitance of metal-polymer-metal thin film capacitor upon application of d.c. bias. Dielectric capacitance and dielectric loss of the films were investigated in the frequency range from 10 Hz to 1 MHz, at different bias voltage. The above investigations lead to the estimation of charge carrier mobility, concentration, thin film crystallite size and diffusion constant in vacuum deposited polyaniline thin films. (c) 2006 Elsevier B.V, All rights reserved.
引用
收藏
页码：272 / 277
页数：6
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