Electromagnetic properties of carbonyl iron and their microwave absorbing characterization as filler in silicone rubber |
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| Authors: | Yuping Duan Guofang Li Lidong Liu Shunhua Liu |
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| Affiliation: | (1) Department of Electronic Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China;(2) Department of Physics, Center for Optoelectronics Materials and Devices, Zhejiang Sci-Tech University, Xiasha College Park, Hangzhou, 310018, China |
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| Abstract: | The complex permittivity, permeability and microwave-absorbing properties of rubber composites filled with carbonyl iron are
measured at frequencies from 2–18 GHz. The results indicate that the reflection loss peak shifts towards low frequency region
with increasing layer thickness or increasing weight concentration. The minimum reflection loss value of −23.06 dB was obtained
at 3.3 GHz for the composites with 80% wt. These results show that the composites possess good microwave absorbing ability
in both low- and highfrequency bands. |
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