A New Equation for Predicting the Dielectric Constant of a Mixture |
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Authors: | Kikuo Wakino Tsutomu Okada Norio Yoshida Kunisaburo Tomono |
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Affiliation: | Institute of Science and Engineering, Ritsumeikan University, Kyoto, 603 Japan;Murata Manufacturing Company, Ltd., Nagaokakyo-shi, Kyoto, 617, Japan |
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Abstract: | The dielectric constant of a compound consisting of two different materials was simulated using the Monte Carlo and finite element methods. In the high concentration range of the higher dielectric constant material, the simulated value of the dielectric constant showed a "parallel-model"-like tendency. On the other hand, in the low concentration range of the higher dielectric constant material, the compound showed a "serial-model"-like behavior. Around 65% content of the higher dielectric constant material, it exhibited results similar to the logarithmic mixing rule. After careful consideration of these results, a new equation to predict the dielectric constant of the compound was derived. The agreement between the dielectric constant calculated by the new equation and the measured values was better than in any other case reported before. |
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