Influence of shape anisotropy on microwave complex permeability in carbonyl iron flakes/epoxy resin composites |
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| Authors: | Wen Fu-Sheng Qiao Liang Zhou Dong Zuo Wen-Liang Yi Hai-Bo and Li Fa-Shen |
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| Institution: | Institute of Applied Magnetics, Key Laboratory of Magnetism
and Magnetic Materials of Ministry of Education, Lanzhou
University, Lanzhou 730000, China |
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| Abstract: | To explore the mechanism of carbonyl iron flake composites for
microwave complex permeability, this paper investigates the feature
of the flakes. The shape anisotropy was certified by the results of
the magnetization hysteresis loops and the M\"{o}ssbauer spectra.
Furthermore, the shape anisotropy was used to explain the origin of
composite microwave performance, and the calculated results agree
with the experiment. It is believed that the shape anisotropy
dominates microwave complex permeability, and the natural resonance
plays main role in flake. |
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| Keywords: | carbonyl iron flake complex
permeability shape anisotropy M\"{o}ssbauer spectroscopy |
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