Journal
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
Volume 424, Issue -, Pages 39-43Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jmmm.2016.10.025
Keywords
Microwave absorbers; Planar-anisotropy; Reflection loss; X-band
Funding
- National Natural Science Foundation of China [51301189]
- Zhejiang Province Public Technology Research and Industrial Projects [2015C31043]
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The soft-magnetic properties of planar-anisotropy Ce2Fe17N3-delta powders were reported, and reflection loss (RL) of the powders/Silicone composites with various volume concentrations have been studied in 0.1-18 GHz frequency range. It was found that the optimal RL of this composite absorber with a thickness of 1.72 mm is -60.5 dB at 9.97 GHz and the RL is less than -10 dB in the whole X-band (8-12 GHz). The bandwidth with RL exceeding -10 dB and -20 dB are 5.24 GHz and 1.32 GHz, respectively. Furthermore, all the optimal RL value of the composite with the thickness less than 2.13 mm can reach -20 dB in the range of 8-17 GHz, which indicates that the Ce2Fe17N3-delta/Silicone composite absorber will be a promising candidate in higher gigahertz frequency especially in X-band.
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