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Magnetostatic surface waves propagation at dissipative ferrite-MTMs-metal structure.

Al-Sahhar ZI, Shabat MM, El-Khozondar HJ - Springerplus (2013)

Bottom Line: The magnetostatic surface waves (MSSW) propagation in a layered structure composed of ferrite film covered by air and on top of metamaterial (MTM) placed on metal is discussed.Dispersion equations which relate the parameters of different layers are derived and used to analyse propagation of MSSW.It is found that the MSSW excitation band depends on the thickness of the MTM layer and ferrite layer.

View Article: PubMed Central - PubMed

Affiliation: Physics Department, Al-Aqsa University, Gaza, Palestine.

ABSTRACT
The magnetostatic surface waves (MSSW) propagation in a layered structure composed of ferrite film covered by air and on top of metamaterial (MTM) placed on metal is discussed. Dispersion equations which relate the parameters of different layers are derived and used to analyse propagation of MSSW. It is found that the MSSW excitation band depends on the thickness of the MTM layer and ferrite layer.

No MeSH data available.


The normalized frequency versusky atw = 790 μm andγ = 0.01 for different values ofsas indicated in the figure. a) real part and b) imaginary part.
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Fig4: The normalized frequency versusky atw = 790 μm andγ = 0.01 for different values ofsas indicated in the figure. a) real part and b) imaginary part.

Mentions: Taking the smaller value of γ = 0.01 and keeping all the other parameters unchanged, we get the normalized frequency as a function of ky as illustrated in Figure 4. In both the real part (Figure 4a) and the imaginary part (Figure 4b), we see that the MSSW propagates in both directions (±y) in agreement with the characteristic curve for unbounded ferrite film. We also notice that the wave either propagates in one direction or in the other at certain ranges of frequencies. The MSSW behaviour changes as s changes.Figure 4


Magnetostatic surface waves propagation at dissipative ferrite-MTMs-metal structure.

Al-Sahhar ZI, Shabat MM, El-Khozondar HJ - Springerplus (2013)

The normalized frequency versusky atw = 790 μm andγ = 0.01 for different values ofsas indicated in the figure. a) real part and b) imaginary part.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4320246&req=5

Fig4: The normalized frequency versusky atw = 790 μm andγ = 0.01 for different values ofsas indicated in the figure. a) real part and b) imaginary part.
Mentions: Taking the smaller value of γ = 0.01 and keeping all the other parameters unchanged, we get the normalized frequency as a function of ky as illustrated in Figure 4. In both the real part (Figure 4a) and the imaginary part (Figure 4b), we see that the MSSW propagates in both directions (±y) in agreement with the characteristic curve for unbounded ferrite film. We also notice that the wave either propagates in one direction or in the other at certain ranges of frequencies. The MSSW behaviour changes as s changes.Figure 4

Bottom Line: The magnetostatic surface waves (MSSW) propagation in a layered structure composed of ferrite film covered by air and on top of metamaterial (MTM) placed on metal is discussed.Dispersion equations which relate the parameters of different layers are derived and used to analyse propagation of MSSW.It is found that the MSSW excitation band depends on the thickness of the MTM layer and ferrite layer.

View Article: PubMed Central - PubMed

Affiliation: Physics Department, Al-Aqsa University, Gaza, Palestine.

ABSTRACT
The magnetostatic surface waves (MSSW) propagation in a layered structure composed of ferrite film covered by air and on top of metamaterial (MTM) placed on metal is discussed. Dispersion equations which relate the parameters of different layers are derived and used to analyse propagation of MSSW. It is found that the MSSW excitation band depends on the thickness of the MTM layer and ferrite layer.

No MeSH data available.