Complex permeability and microwave absorption properties of Y Fe micropowders with planar anisotropy
Journal of Physics D: Applied Physics, ISSN: 0022-3727, Vol: 44, Issue: 29
2011
- 35Citations
- 11Captures
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Article Description
Planar anisotropy YFe powders were fabricated by rapid quenching and ball-milling techniques. The frequency dependence of complex permeability and permittivity of paraffin composites with 35 vol% Y Fe powders have been investigated in the frequency range 0.1-10 GHz. The oriented composite shows a dramatic increase in permeability and a remarkable decrease in the matching thickness. The minimum reflection losses of unoriented YFe composite and oriented YFe composite were -48 dB at 2.34 GHz and -59 dB at 3.4 GHz, and the corresponding thicknesses were only 3.9 mm and 2.3 mm, respectively. Otherwise, the product of the static permeability and the resonance frequency for the oriented YFe compound is 91.6 GHz, which is much higher than the value of 15.3 GHz calculated by Snoek's limit equation. Hence, the YFe composite, with the specific property of the planar anisotropy, has great potential applications in the field of high-frequency microwave absorption. © 2011 IOP Publishing Ltd.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=79960278481&origin=inward; http://dx.doi.org/10.1088/0022-3727/44/29/295001; https://iopscience.iop.org/article/10.1088/0022-3727/44/29/295001; https://dx.doi.org/10.1088/0022-3727/44/29/295001; https://validate.perfdrive.com/fb803c746e9148689b3984a31fccd902/?ssa=5669730e-72a1-460b-8f81-81bd07d5c2f8&ssb=62932268488&ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F0022-3727%2F44%2F29%2F295001&ssi=13c8a164-8427-4406-9c9e-69cbf993ed6b&ssk=support@shieldsquare.com&ssm=63751175938147207834131630328642963&ssn=94a40f422f76e2b2fff75e55b1312510d9ede7e44089-5b4c-4bba-918f24&sso=c3db380e-62ddb6055d964a6328c8128e20151bfbf7ca18f0b2c37dac&ssp=67217728321722103985172233981198906&ssq=43810447882617350490096580296523271365444&ssr=NTIuMy4yMTcuMjU0&sst=com.plumanalytics&ssu=&ssv=&ssw=&ssx=eyJfX3V6bWYiOiI3ZjYwMDA3NmNmYmIwZC1hOTY5LTQwMjItYWM3My04NjU0NDg0NTczMTgxNzIyMTk2NTgwNDk0MTgyMjQ1NjQ2LTE0OWU2MmY1MzJjMzkwOTI4MzQwNCIsInJkIjoiaW9wLm9yZyIsInV6bXgiOiI3ZjkwMDA1ZmViNjE3Ny05MmVkLTRmNTYtOGZlMS01OTlkOWM5MmM0MTUzLTE3MjIxOTY1ODA0OTQxODIyNDU2NDYtZWFhM2M1OWY0NjZiMzE3MzgzMzk4In0=
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