Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy3Fe5O12 garnet

P. D. Rogers; Y. J. Choi; E. C. Standard; T. D. Kang; K. H. Ahn; A. Dubroka; P. Marsik; Ch Wang; C. Bernhard; S. Park; S. W. Cheong; M. Kotelyanskii; A. A. Sirenko

doi:10.1103/PhysRevB.83.174407

Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy₃Fe₅O₁₂ garnet

P. D. Rogers, Y. J. Choi, E. C. Standard, T. D. Kang, K. H. Ahn, A. Dubroka, P. Marsik, Ch Wang, C. Bernhard, S. Park, S. W. Cheong, M. Kotelyanskii, A. A. Sirenko

Physics

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18 Scopus citations

Abstract

Far-infrared spectra of magnetodielectric Dy₃Fe ₅O₁₂ garnet were studied using a combination of transmittance, reflectivity, and rotating analyzer ellipsometry. In addition to purely dielectric and magnetic modes, we observed several hybrid modes with a mixed magnetic and electric dipole activity. Using 4×4 matrix formalism for materials with μ(ω)≠1, we modeled the experimental optical spectra and determined the far-infrared dielectric and magnetic permeability functions. The matching condition μ(ω_h)S_e= ω(ω_h)S_m for the oscillator strengths S _e(m) explains the observed vanishing of certain hybrid modes at ω_h in reflectivity.

Original language	English (US)
Article number	174407
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	83
Issue number	17
DOIs	https://doi.org/10.1103/PhysRevB.83.174407
State	Published - May 3 2011

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.83.174407

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Rogers, P. D., Choi, Y. J., Standard, E. C., Kang, T. D., Ahn, K. H., Dubroka, A., Marsik, P., Wang, C., Bernhard, C., Park, S., Cheong, S. W., Kotelyanskii, M., & Sirenko, A. A. (2011). Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy₃Fe₅O₁₂ garnet. Physical Review B - Condensed Matter and Materials Physics, 83(17), Article 174407. https://doi.org/10.1103/PhysRevB.83.174407

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title = "Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy3Fe5O12 garnet",

abstract = "Far-infrared spectra of magnetodielectric Dy3Fe 5O12 garnet were studied using a combination of transmittance, reflectivity, and rotating analyzer ellipsometry. In addition to purely dielectric and magnetic modes, we observed several hybrid modes with a mixed magnetic and electric dipole activity. Using 4×4 matrix formalism for materials with μ(ω)≠1, we modeled the experimental optical spectra and determined the far-infrared dielectric and magnetic permeability functions. The matching condition μ(ωh)Se= ω(ωh)Sm for the oscillator strengths S e(m) explains the observed vanishing of certain hybrid modes at ωh in reflectivity.",

author = "Rogers, {P. D.} and Choi, {Y. J.} and Standard, {E. C.} and Kang, {T. D.} and Ahn, {K. H.} and A. Dubroka and P. Marsik and Ch Wang and C. Bernhard and S. Park and Cheong, {S. W.} and M. Kotelyanskii and Sirenko, {A. A.}",

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doi = "10.1103/PhysRevB.83.174407",

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Rogers, PD, Choi, YJ, Standard, EC, Kang, TD, Ahn, KH, Dubroka, A, Marsik, P, Wang, C, Bernhard, C, Park, S, Cheong, SW, Kotelyanskii, M & Sirenko, AA 2011, 'Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy₃Fe₅O₁₂ garnet', Physical Review B - Condensed Matter and Materials Physics, vol. 83, no. 17, 174407. https://doi.org/10.1103/PhysRevB.83.174407

TY - JOUR

T1 - Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy3Fe5O12 garnet

AU - Rogers, P. D.

AU - Choi, Y. J.

AU - Standard, E. C.

AU - Kang, T. D.

AU - Ahn, K. H.

AU - Dubroka, A.

AU - Marsik, P.

AU - Wang, Ch

AU - Bernhard, C.

AU - Park, S.

AU - Cheong, S. W.

AU - Kotelyanskii, M.

AU - Sirenko, A. A.

PY - 2011/5/3

Y1 - 2011/5/3

N2 - Far-infrared spectra of magnetodielectric Dy3Fe 5O12 garnet were studied using a combination of transmittance, reflectivity, and rotating analyzer ellipsometry. In addition to purely dielectric and magnetic modes, we observed several hybrid modes with a mixed magnetic and electric dipole activity. Using 4×4 matrix formalism for materials with μ(ω)≠1, we modeled the experimental optical spectra and determined the far-infrared dielectric and magnetic permeability functions. The matching condition μ(ωh)Se= ω(ωh)Sm for the oscillator strengths S e(m) explains the observed vanishing of certain hybrid modes at ωh in reflectivity.

AB - Far-infrared spectra of magnetodielectric Dy3Fe 5O12 garnet were studied using a combination of transmittance, reflectivity, and rotating analyzer ellipsometry. In addition to purely dielectric and magnetic modes, we observed several hybrid modes with a mixed magnetic and electric dipole activity. Using 4×4 matrix formalism for materials with μ(ω)≠1, we modeled the experimental optical spectra and determined the far-infrared dielectric and magnetic permeability functions. The matching condition μ(ωh)Se= ω(ωh)Sm for the oscillator strengths S e(m) explains the observed vanishing of certain hybrid modes at ωh in reflectivity.

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ER -

Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy₃Fe₅O₁₂ garnet

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