Journal
MATERIALS CHEMISTRY AND PHYSICS
Volume 131, Issue 3, Pages 555-560Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.matchemphys.2011.10.042
Keywords
Metal-matrix composites (MMCs); Nano particles; Microwave properties; Scanning electron microscopy (SEM); X-ray diffraction (XRD)
Categories
Funding
- National Natural Science Foundation of China [10774061]
- Defense Industrial Technology Development Program [A1420080174]
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Planar anisotropy carbonyl-iron (PACI)/Ni0.5Zn0.5Fe2O4 composite as absorbent filler in quasimicrowave band has been synthesized via ball-milling technique and solvothermal method. The effective permeability of the composite was measured and calculated. The result indicates that the magnetic loss in the composite is mainly caused by the natural resonance. Compared with the uncoated PACI particles, the permittivity of the composite decreased dramatically, and hence a dramatic enhancement of reflection loss (RL) was obtained in quasimicrowave band. This result indicates that our PACI/ferrite composite can be used as potential microwave absorbers in quasimicrowave band for its novel microwave properties. (C) 2011 Elsevier B.V. All rights reserved.
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