Electric field induced permittivity increase of carbon particle aggregates/silicone oil suspension

被引：0
|
作者：
Ozols, K. [1 ]
Scegoleva, S. [1 ]
Knite, M. [1 ]
机构：
[1] Riga Tech Univ, Inst Tech Phys, Fac Mat Sci & Appl Chem, Paula Valdena 3-7, LV-1048 Riga, Latvia
来源：
FUNCTIONAL MATERIALS AND NANOTECHNOLOGIES (FM&NT 2018) | 2019年 / 503卷
关键词：
D O I：
10.1088/1757-899X/503/1/012012
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Permittivity percolation threshold of carbon particle aggregates/silicone oil (CPA/SO) suspension was determined (Phi(C) = 2.6 wt%). A direct current electric field induced permittivity increase versus time for the suspension containing 0.2 wt% of the CPA was measured at different field strengths. It was found that the electric field at 200 V/cm increases the permittivity of the CPA/SO suspension (epsilon' = 3.2 at 1 kHz) by three orders of magnitude in 30 min. At 800V/cm the same permittivity increase was reached in 1.5 min.
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页数：4
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