Effective mass dependence of the gyrotropic nihility in a BaM/6H-SiC multilayer structure

Farhadi, M.; Jafari, Mohammad Reza; Shahmansouri, M.

doi:10.1007/s00339-019-3231-3

Cited by 6 publications

(2 citation statements)

References 56 publications

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“…It is obvious that combining gyroelectric and gyromagnetic materials into a single gyroelectromagnetic system can bring many unique dispersion features, which are unattainable in separate subsystems. [36][37][38][39][40][41][42][43] In particular, in the present paper, we demonstrate that in a biaxial gyrotropic medium composed of magnetized ferrite and semiconductor layers, some specific distortions of isofrequency surfaces may occur. These distortions manifest themselves near the frequency of ferromagnetic resonance, where the magnetic subsystem possesses the properties of natural hyperbolic dispersion.…”

Section: Introductionsupporting

confidence: 58%

Magnetically induced topological transitions of hyperbolic dispersion in biaxial gyrotropic media

Tuz,

Fesenko

2020

Preprint

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Section: Introductionsupporting

confidence: 58%

Magnetically induced topological transitions of hyperbolic dispersion in biaxial gyrotropic media

Tuz,

Fesenko

2020

Preprint

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“…To be specific, we suppose in this study that the FSS is made of alternatively repeating M-type barium ferrite (BaFe 12 O 19 ) and 6H-SiC semiconductor layers [59]. Deposition of such magnetic films on 6H-SiC substrates has been reported earlier in [25,26] where the layers are released with a thickness of about one micrometer.…”

Section: Discussionmentioning

confidence: 99%

Magneto-plasmonic scattering by a disk-shaped particle made of an artificial dielectric

R Tuz,

Evlyukhin

2024

J. Phys. D: Appl. Phys.

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The main features of artificial dielectrics are high anisotropy and controllable heterogeneity, as well as adjustable values of their synthesized material parameters. In this work, we numerically study the scattering features of a disk-shaped particle made of an artificial dielectric (finely stratified structure, FSS) that is composed of magnetic and semiconductor constituents influenced by an external static magnetic field. The tensor-valued permittivity and permeability of the FSS are derived involving the effective medium theory. Due to a specific composition of the FSS, the material properties of the disk simultaneously acquire electric and magnetic gyrotropy, which depends on the proportion of the semiconductor and magnetic components included in the FSS. It is supposed that the ferromagnetic and plasma resonances of the constitutive materials are closely spaced. In particular, we examine the electric and magnetic dipole contributions to the scattering and absorption cross-sections obtained in the framework of the multipole decomposition method while accounting for the polarizability and magnetization induced in the particle by the field of incoming radiation. By varying the proportion of components of the artificial dielectric, we demonstrate the magneto-plasmonic functionality of the particle. Our presentation generalizes and complements several known solutions obtained separately for either magnetic or dielectric anisotropic particles. This approach can be used to study magneto-optical effects in metamaterials and metasurfaces composed of an ensemble of gyroelectric and gyromagnetic particles that is important for both plasmonic and photonic applications.

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Comparative Analysis of Magnetic Polaritons in Periodic and Quasi-periodic Structures

Jafari

Farhadi²,

Shahmansouri³

2023

J. Electron. Mater.

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Effective mass dependence of the gyrotropic nihility in a BaM/6H-SiC multilayer structure

Cited by 6 publications

References 56 publications

Magnetically induced topological transitions of hyperbolic dispersion in biaxial gyrotropic media

Magnetically induced topological transitions of hyperbolic dispersion in biaxial gyrotropic media

Magneto-plasmonic scattering by a disk-shaped particle made of an artificial dielectric

Comparative Analysis of Magnetic Polaritons in Periodic and Quasi-periodic Structures

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