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An enhancement of reflection loss by controlling the reflected electromagnetic wave at air–absorber interface

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Abstract

This study explores the improvement of the reflection loss (RL) by controlling the reflected wave from air–absorber interface (AAI) . The reflected wave from AAI increases for a hybrid system consisted of flake-shaped carbonyl iron absorber and FeCo film coating due to the impedance mismatching. Furthermore, a great enhancement of RL is obtained since the advanced destructive interference of the reflected waves from AAI and absorber–metal interface. Our results indicate the possibility of improving the microwave absorption properties by controlling the reflected wave from AAI, which suggests an alternative method to obtain excellent microwave absorption property in any frequency region.

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Acknowledgments

This research is supported by National Natural Science Foundation of China (No. 11204115).

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Authors and Affiliations

  1. Functional Materials Research Institute, Central Iron and Steel Research Institute and Beijing Key Laboratory of Precision Alloys, Beijing, 100081, People’s Republic of China

    Rui Han, Wei Li & Minggang Zhu

  2. Institute of Applied Magnetics, Key Laboratory of Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou, 730000, People’s Republic of China

    Fashen Li

Authors
  1. Rui Han
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  2. Wei Li
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  3. Minggang Zhu
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  4. Fashen Li
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Correspondence to Wei Li.

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Han, R., Li, W., Zhu, M. et al. An enhancement of reflection loss by controlling the reflected electromagnetic wave at air–absorber interface. Appl. Phys. A 119, 201–204 (2015). https://doi.org/10.1007/s00339-014-8948-4

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  • DOI: https://doi.org/10.1007/s00339-014-8948-4

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