Tunneling of Microwave Radiation through Three-Layer Structures Containing Ferrite Layer

Tunneling of microwave radiation through a symmetric three-layer structure in which the central ferrite layer is interfaced with two layers of a material with negative permittivity is considered. Conditions for perfect tunneling (i.e., transmission with zero reflection) are analyzed for normal incid...

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Bibliographic Details
Published in:Technical physics 2019-01, Vol.64 (1), p.68-73
Main Authors: Afanas’ev, S. A., Sementsov, D. I., Sharipova, K. V.
Format: Article
Language:English
Subjects:
Classical and Continuum Physics
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Electromagnetic radiation
Electromagnetism
FERRITES
FREQUENCY RANGE
Frequency ranges
Iron compounds
LAYERS
MAGNETIC FIELDS
Magnetic permeability
MAGNETIZATION
MICROWAVE RADIATION
Microwaves
PERMEABILITY
PERMITTIVITY
Physics
Physics and Astronomy
Radiation (Physics)
Solid State
SYMMETRY
TRANSMISSION
TUNNEL EFFECT
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Summary:Tunneling of microwave radiation through a symmetric three-layer structure in which the central ferrite layer is interfaced with two layers of a material with negative permittivity is considered. Conditions for perfect tunneling (i.e., transmission with zero reflection) are analyzed for normal incidence. It is shown that the transmittance of the structure can be controlled using external magnetic field that provides magnetization of the ferrite layer. A broad transmission band with a width of several gigahertzes in which almost perfect tunneling is implemented can exist in the frequency range corresponding to the negative effective permeability of the ferrite material.
ISSN:1063-7842
1090-6525
DOI:10.1134/S106378421901002X