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Title: High-frequency magnetic properties at K and Ka bands for barium-ferrite/silicone composites
Authors: Li, Z.W. 
Yang, Z.H. 
Kong, L.B. 
Zhang, Y.J.
Keywords: Complex permeability
Superhigh-frequency magnetic property
The relationship between dynamic and static magnetic property
Issue Date: Jan-2013
Citation: Li, Z.W., Yang, Z.H., Kong, L.B., Zhang, Y.J. (2013-01). High-frequency magnetic properties at K and Ka bands for barium-ferrite/silicone composites. Journal of Magnetism and Magnetic Materials 325 : 82-86. ScholarBank@NUS Repository.
Abstract: High-frequency magnetic properties at K and Ka bands (18-40 GHz) have been studied for M-type barium ferrite BaMn xTi xFe 12-2xO 19 (x=0.4-1.0) composites. The results show that complex permeability of the composites has a resonancelike-type dispersion. Although (μ′ 0-1) is rather small (about 0.2), μ″ max achieves 0.53-0.78, due to small effective damping coefficient. The composites also exhibit relatively high resonance frequencies f R covering 20-33 GHz, which are proportional to anisotropy fields H a of the barium ferrites. These properties will be beneficial to the design of electromagnetic composites at a desired working frequency. © 2012 Elsevier B.V. All rights reserved.
Source Title: Journal of Magnetism and Magnetic Materials
ISSN: 03048853
DOI: 10.1016/j.jmmm.2012.07.040
Appears in Collections:Staff Publications

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