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

Research output: Contribution to journal › Article › peer-review

20 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.\}",

year = "2011",

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doi = "10.1103/PhysRevB.83.174407",

language = "English (US)",

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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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SN - 1098-0121

VL - 83

JO - Physical Review B - Condensed Matter and Materials Physics

JF - Physical Review B - Condensed Matter and Materials Physics

IS - 17

M1 - 174407

ER -

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

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