DocumentCode
1321896
Title
Theoretical Design of a High-Frequency Millimeter Wave Absorbing Sheet Composed of Gallium Substituted 
-Fe  of ε-Ga<sub>x</sub>Fe<sub>2-x</sub>O<sub>3</sub>, the artificial frequency dependences of the real (μ\´) and imaginary parts (μ)
0.537Fe1.463O3 sheet perfectly absorbs 60 GHz millimeter wave, while a 201-233 μm thick sheet can absorb 99% of the millimeter wave, i.e., a reflectance loss (RL) of -20 dB. The frequency dependence of RL indicated that the frequency range where RL exceeds -20 dB is as broad as 1 GHz (59.5-60.5 GHz). Such theoretical calculations will be useful for fabricating a 60 GHz-band millimeter wave absorber sheet from the viewpoint of industrial applications.
0.537Fe1.463O3 sheet perfectly absorbs 60 GHz millimeter wave, while a 201-233 μm thick sheet can absorb 99% of the millimeter wave, i.e., a reflectance loss (RL) of -20 dB. The frequency dependence of RL indicated that the frequency range where RL exceeds -20 dB is as broad as 1 GHz (59.5-60.5 GHz). Such theoretical calculations will be useful for fabricating a 60 GHz-band millimeter wave absorber sheet from the viewpoint of industrial applications.Keywords
electromagnetic wave absorption; ferromagnetic resonance; gallium compounds; iron compounds; magnetic permeability; millimetre wave devices; nanomagnetics; nanostructured materials; GaxFe2-xO3; Landau-Lifshitz equation; artificial frequency dependences; electromagnetic interference problems; frequency 59.5 GHz to 60.5 GHz; gallium substituted nanomagnet; high-frequency millimeter wave absorbing sheet design; impedance matching calculations; industrial applications; loss -20 dB; magnetic permeability; metal-backed sheet; millimeter wave absorber development; reflectance loss; size 201 mum to 233 mum; wireless communications; Electromagnetic scattering; Impedance matching; Iron; Magnetic resonance; Millimeter wave communication; Permeability; Epsilon-iron oxide; impedance matching; millimeter wave absorber; zero-field ferromagnetic resonance;
fLanguage
English
Journal_Title
Magnetics, IEEE Transactions on
Publisher
ieee
ISSN
0018-9464
Type
jour
DOI
10.1109/TMAG.2012.2199091
Filename
6332875
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