Dielectric properties of fiber-filled composites

被引:123
作者
Lagarkov, AN [1 ]
Matytsin, SM [1 ]
Rozanov, KN [1 ]
Sarychev, AK [1 ]
机构
[1] Russian Acad Sci, Sci Ctr Appl Problems Electrodynam, Moscow 127412, Russia
关键词
D O I
10.1063/1.368559
中图分类号
O59 [应用物理学];
学科分类号
摘要
Results are presented of the comprehensive experimental investigation of the dielectric properties of composites filled with conducting fibers results. The results apply to the percolation threshold values and microwave dielectric dispersion of these materials. The fiber-filled composites exhibit a great variety of dielectric dispersion behavior, and offer wide possibilities of tailoring their dielectric dispersion. The experimental data are in good agreement with the recent theoretical approach [see A. N. Lagarkov and A. K. Sarychev, Phys. Rev. B 53, 6318 (1996)] as regards the values of percolation threshold and the shape of dielectric dispersion dependences. This agreement is a validation of the original assumption that the permittivity of effective medium is a scale dependent function in fiber-filled composites. (C) 1998 American Institute of Physics. [S0021-8979(98)04618-0]
引用
收藏
页码:3806 / 3814
页数:9
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