Complex permittivity and permeability of barium and strontium ferrite powders in X, KU, and K-band frequency ranges

Complex permittivity and permeability of barium and strontium ferrite powders in X, KU, and K-band frequency ranges

This paper presents accurate results for the complex permittivity, ε=ε′−jε″ and permeability, μ=μ′−jμ″ of barium ferrite powder (BaFe12O19) and strontium ferrite powder (SrFe12O19), in the frequency range from 8.0to26.5GHz. The complex permittivity and permeability are determined via the waveguide t...

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Veröffentlicht in:Journal of applied physics 2005-05, Vol.97 (10)
Hauptverfasser: Bahadoor, Adil, Wang, Yong, Afsar, Mohammed N.
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description This paper presents accurate results for the complex permittivity, ε=ε′−jε″ and permeability, μ=μ′−jμ″ of barium ferrite powder (BaFe12O19) and strontium ferrite powder (SrFe12O19), in the frequency range from 8.0to26.5GHz. The complex permittivity and permeability are determined via the waveguide transmission/reflection (TR) technique and the waveguide cavity resonator (CR) technique at 25°C and relative humidity
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The complex permittivity and permeability are determined via the waveguide transmission/reflection (TR) technique and the waveguide cavity resonator (CR) technique at 25°C and relative humidity <75%. Measurements reveal that the real permittivities of BaFe12O19 and SrFe12O19 are, respectively, 2.497<εBa′<2.678, and 2.597<εSr′<2.712. BaFe12O19 has an average real permeability μBa′=1.078 and SrFe12O19 has an average real permeability μSr′=1.063. The imaginary permittivities are respectively εBa″<0.081 and εSr″<0.077. The imaginary permeabilites are respectively μBa″<0.095 and μSr″<0.106.]]></description><identifier>ISSN: 0021-8979</identifier><identifier>EISSN: 1089-7550</identifier><identifier>DOI: 10.1063/1.1853633</identifier><language>eng</language><ispartof>Journal of applied physics, 2005-05, Vol.97 (10)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c295t-4bfe374ca30169ab969c4fdfc351261659664f1f5252cca7051fb44250cff9973</citedby><cites>FETCH-LOGICAL-c295t-4bfe374ca30169ab969c4fdfc351261659664f1f5252cca7051fb44250cff9973</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids></links><search><creatorcontrib>Bahadoor, Adil</creatorcontrib><creatorcontrib>Wang, Yong</creatorcontrib><creatorcontrib>Afsar, Mohammed N.</creatorcontrib><title>Complex permittivity and permeability of barium and strontium ferrite powders in X, KU, and K-band frequency ranges</title><title>Journal of applied physics</title><description><![CDATA[This paper presents accurate results for the complex permittivity, ε=ε′−jε″ and permeability, μ=μ′−jμ″ of barium ferrite powder (BaFe12O19) and strontium ferrite powder (SrFe12O19), in the frequency range from 8.0to26.5GHz. The complex permittivity and permeability are determined via the waveguide transmission/reflection (TR) technique and the waveguide cavity resonator (CR) technique at 25°C and relative humidity <75%. Measurements reveal that the real permittivities of BaFe12O19 and SrFe12O19 are, respectively, 2.497<εBa′<2.678, and 2.597<εSr′<2.712. BaFe12O19 has an average real permeability μBa′=1.078 and SrFe12O19 has an average real permeability μSr′=1.063. The imaginary permittivities are respectively εBa″<0.081 and εSr″<0.077. 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The complex permittivity and permeability are determined via the waveguide transmission/reflection (TR) technique and the waveguide cavity resonator (CR) technique at 25°C and relative humidity <75%. Measurements reveal that the real permittivities of BaFe12O19 and SrFe12O19 are, respectively, 2.497<εBa′<2.678, and 2.597<εSr′<2.712. BaFe12O19 has an average real permeability μBa′=1.078 and SrFe12O19 has an average real permeability μSr′=1.063. The imaginary permittivities are respectively εBa″<0.081 and εSr″<0.077. The imaginary permeabilites are respectively μBa″<0.095 and μSr″<0.106.]]></abstract><doi>10.1063/1.1853633</doi></addata></record>
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title Complex permittivity and permeability of barium and strontium ferrite powders in X, KU, and K-band frequency ranges
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