Analysis of Absorption Properties for Magnetism-Absorbing Agents Mixed with Semiconductor Particulate
| Periodical | Key Engineering Materials (Volumes 512 - 515) |
|---|---|
| Main Theme | High-Performance Ceramics VII |
| Edited by | Wei Pan and Jianghong Gong |
| Pages | 1128-1131 |
| DOI | 10.4028/www.scientific.net/KEM.512-515.1128 |
| Citation | Chao Wu et al., 2012, Key Engineering Materials, 512-515, 1128 |
| Online since | June, 2012 |
| Authors | Chao Wu, Zhao Yang Zeng, Xu Liang Lv, Q. Jia, H.C. Tang |
| Keywords | Absorbing Materials, Effective Electromagnetic Parameter, Magnetism-Absorbing Agents, Semiconductor Particulates |
| Price | US$ 28,- |
In order to improve absorbing properties of material effectively, enhance the ability of attenuating electromagnetic wave, and at the same time, make the impedance matching with air to the most extent, this paper mixed ferrite magnetism microwave-absorbing agents with semiconductor particulates. We got the effective EM parameter of the mixture using effective EM parameter model, and then analyzed absorption properties. As the result, it figured out the cubage proportion and conductance of semiconductor particulates based on the resistance matching principle. Through calculating the reflection ratioćimpedance matching characteristic and attenuation coefficient of the material, it is proved that mixing ferrite magnetism microwave-absorbing agents with semiconductor particulate which has less permittivity could reduce real complex permittivity and increase imaginary complex permittivity of the composite material. It was able to enhance the ability of attenuating electromagnetic wave, improve absorbing properties, and meanwhile do not destroy the impedance matching characteristic with air.
