Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂

Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂

Inelastic light scattering intensities of magnetic excitations are governed by the magnetooptic coupling coefficients, which have been evaluated, for example, for the ferrimagnet Y₃Fe₅O₁₂ (YIG) and the metamagnets FeC₁₂ and FeBr₂. However, by far the most detailed studies to date have been perform...

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Збережено в:
Бібліографічні деталі
Дата:2012
Автори: Lockwood, D.J., Cottam, M.G.
Формат: Стаття
Мова:English
Опубліковано: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2012
Назва видання:Физика низких температур
Теми:
Оптика и магнитооптика
Онлайн доступ:http://dspace.nbuv.gov.ua/handle/123456789/117242
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂ / D.J. Lockwood, M.G. Cottam // Физика низких температур. — 2012. — Т. 38, № 7. — С.703-714. — Бібліогр.: 20 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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spelling irk-123456789-1172422017-05-22T03:02:50Z Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂ Lockwood, D.J. Cottam, M.G. Оптика и магнитооптика Inelastic light scattering intensities of magnetic excitations are governed by the magnetooptic coupling coefficients, which have been evaluated, for example, for the ferrimagnet Y₃Fe₅O₁₂ (YIG) and the metamagnets FeC₁₂ and FeBr₂. However, by far the most detailed studies to date have been performed on the classic rutilestructure antiferromagnets, and we summarize here the results obtained from the many experimental and theoretical investigations in these compounds for both one-magnon and two-magnon excitations. A comparison of the magnitudes of the various coupling coefficients for MnF₂, FeF₂, CoF₂, and NiF₂ reveals a surprising similarity in many coefficients. In one-magnon Raman scattering, the in-phase linear magnetooptic coefficient dominates and the main differences between MnF₂, FeF₂, and NiF₂ lie in the relative significance of the in-phase quadratic magnetooptic coefficient. Thus the quadratic coefficients are now seen to be of particular importance in determining the strength of the one-magnon scattering in a variety of magnetic insulators. In two-magnon Raman scattering, one magnetooptic coefficient dominates for all of these antiferromagnets. However, each of the other six coefficients are remarkably similar in magnitude, in general, and not negligible in most cases, indicating some universality in the way light interacts with the pairs of magnons of opposite and equal wave vector in rutile structure antiferromagnets. 2012 Article Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂ / D.J. Lockwood, M.G. Cottam // Физика низких температур. — 2012. — Т. 38, № 7. — С.703-714. — Бібліогр.: 20 назв. — англ. 0132-6414 PACS: 75.50.Ee, 78.30.–j, 75.30.Ds http://dspace.nbuv.gov.ua/handle/123456789/117242 en Физика низких температур Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
language English
topic Оптика и магнитооптика
Оптика и магнитооптика
spellingShingle Оптика и магнитооптика
Оптика и магнитооптика
Lockwood, D.J.
Cottam, M.G.
Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂
Физика низких температур
description Inelastic light scattering intensities of magnetic excitations are governed by the magnetooptic coupling coefficients, which have been evaluated, for example, for the ferrimagnet Y₃Fe₅O₁₂ (YIG) and the metamagnets FeC₁₂ and FeBr₂. However, by far the most detailed studies to date have been performed on the classic rutilestructure antiferromagnets, and we summarize here the results obtained from the many experimental and theoretical investigations in these compounds for both one-magnon and two-magnon excitations. A comparison of the magnitudes of the various coupling coefficients for MnF₂, FeF₂, CoF₂, and NiF₂ reveals a surprising similarity in many coefficients. In one-magnon Raman scattering, the in-phase linear magnetooptic coefficient dominates and the main differences between MnF₂, FeF₂, and NiF₂ lie in the relative significance of the in-phase quadratic magnetooptic coefficient. Thus the quadratic coefficients are now seen to be of particular importance in determining the strength of the one-magnon scattering in a variety of magnetic insulators. In two-magnon Raman scattering, one magnetooptic coefficient dominates for all of these antiferromagnets. However, each of the other six coefficients are remarkably similar in magnitude, in general, and not negligible in most cases, indicating some universality in the way light interacts with the pairs of magnons of opposite and equal wave vector in rutile structure antiferromagnets.
format Article
author Lockwood, D.J.
Cottam, M.G.
author_facet Lockwood, D.J.
Cottam, M.G.
author_sort Lockwood, D.J.
title Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂
title_short Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂
title_full Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂
title_fullStr Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂
title_full_unstemmed Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂
title_sort magnetooptic coupling coefficients for one- and two-magnon raman scattering in the rutile-structure antiferromagnets fef₂, mnf₂, cof₂ and nif₂
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
publishDate 2012
topic_facet Оптика и магнитооптика
url http://dspace.nbuv.gov.ua/handle/123456789/117242
citation_txt Magnetooptic coupling coefficients for one- and two-magnon Raman scattering in the rutile-structure antiferromagnets FeF₂, MnF₂, CoF₂ and NiF₂ / D.J. Lockwood, M.G. Cottam // Физика низких температур. — 2012. — Т. 38, № 7. — С.703-714. — Бібліогр.: 20 назв. — англ.
series Физика низких температур
work_keys_str_mv AT lockwooddj magnetoopticcouplingcoefficientsforoneandtwomagnonramanscatteringintherutilestructureantiferromagnetsfef2mnf2cof2andnif2
AT cottammg magnetoopticcouplingcoefficientsforoneandtwomagnonramanscatteringintherutilestructureantiferromagnetsfef2mnf2cof2andnif2
first_indexed 2023-10-18T20:29:22Z
last_indexed 2023-10-18T20:29:22Z
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