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

P. D. Rogers, Young Jai 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

Research output: Contribution to journalArticle

15 Citations (Scopus)

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.

Original languageEnglish
Article number174407
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume83
Issue number17
DOIs
Publication statusPublished - 2011 May 3

Fingerprint

Electric excitation
Garnets
oscillator strengths
garnets
Infrared radiation
Magnetic permeability
Ellipsometry
dielectric permeability
excitation
reflectance
magnetic dipoles
electric dipoles
ellipsometry
optical spectrum
analyzers
transmittance
infrared spectra
formalism
magnetic permeability
matrices

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

Rogers, P. D. ; Choi, Young Jai ; Standard, E. C. ; Kang, T. D. ; Ahn, K. H. ; Dubroka, A. ; Marsik, P. ; Wang, Ch ; Bernhard, C. ; Park, S. ; Cheong, S. W. ; Kotelyanskii, M. ; Sirenko, A. A. / Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy3Fe5O12 garnet. In: Physical Review B - Condensed Matter and Materials Physics. 2011 ; Vol. 83, No. 17.
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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.",
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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

Adjusted oscillator strength matching for hybrid magnetic and electric excitations in Dy3Fe5O12 garnet. / Rogers, P. D.; Choi, Young Jai; Standard, E. C.; Kang, T. D.; Ahn, K. H.; Dubroka, A.; Marsik, P.; Wang, Ch; Bernhard, C.; Park, S.; Cheong, S. W.; Kotelyanskii, M.; Sirenko, A. A.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 83, No. 17, 174407, 03.05.2011.

Research output: Contribution to journalArticle

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

AU - Rogers, P. D.

AU - Choi, Young Jai

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.

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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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