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Fizika Tverdogo Tela, 2021, Volume 63, Issue 9, Pages 1268–1272
DOI: https://doi.org/10.21883/FTT.2021.09.51251.07H (Mi ftt8028) 		 
XXV International Symposium Nanophysics and Nanoelectronics, Nizhny Novgorod, March 9-12, 2021
Magnetism

Magnetization-induced nonlinear optical response of films based on nanolayers of heavy and ferromagnetic metals

V. V. Radovskayaa, E. A. Mamonova, V. B. Novikova, D. A. Kopylova, I. A. Kolmycheka, N. S. Gusevb, I. Yu. Pashen'kinb, T. V. Murzinaa

a Lomonosov Moscow State University, Moscow, Russia
b Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod, Russia
Full-text PDF (1409 kB)
DOI: https://doi.org/10.21883/FTT.2021.09.51251.07H
Abstract: Magnetization-induced effects accompanying optical second harmonic generation (SHG) in three-layer W/Co/Pt films with different thicknesses of the cobalt layer (2–10 nm) induced by longitudinal magnetic field are experimentally studied. An odd-magnetic intensity effect in the p polarized second harmonic is found, with the corresponding SHG magnetic contrast increasing with the thickness of the Co layer SHGSHG. The effects are phenomenologically described by considering the bulk nonlinear polarization at the second harmonic frequency, which is proportional to the magnetization gradient in the direction normal to the structure, and the interface contribution, which is proportional to the square of the magnetization of the films.
Keywords: magneto-induced second harmonic generation, interface second harmonic generation, thin films, nonlinear susceptibility.
Funding agency Grant number
Russian Science Foundation 19-72-20103
Foundation for the Advancement of Theoretical Physics and Mathematics BASIS 20-2-9-23-1
This work was supported by the Russian Science Foundation, project no. 19-72-20103, and the Theoretical Physics and Mathematics Advancement Foundation “BASIS” project no. 20-2-9-23-1.
Received: 09.04.2021
Revised: 09.04.2021
Accepted: 19.04.2021
English version:
Physics of the Solid State, 2021, Volume 63, Issue 10, Pages 1519–1523
DOI: https://doi.org/10.1134/S106378342109033X
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: V. V. Radovskaya, E. A. Mamonov, V. B. Novikov, D. A. Kopylov, I. A. Kolmychek, N. S. Gusev, I. Yu. Pashen'kin, T. V. Murzina, “Magnetization-induced nonlinear optical response of films based on nanolayers of heavy and ferromagnetic metals”, Fizika Tverdogo Tela, 63:9 (2021), 1268–1272; Phys. Solid State, 63:10 (2021), 1519–1523
Citation in format AMSBIB
\Bibitem{RadMamNov21}
\by V.~V.~Radovskaya, E.~A.~Mamonov, V.~B.~Novikov, D.~A.~Kopylov, I.~A.~Kolmychek, N.~S.~Gusev, I.~Yu.~Pashen'kin, T.~V.~Murzina
\paper Magnetization-induced nonlinear optical response of films based on nanolayers of heavy and ferromagnetic metals
\jour Fizika Tverdogo Tela
\yr 2021
\vol 63
\issue 9
\pages 1268--1272
\mathnet{http://mi.mathnet.ru/ftt8028}
\crossref{https://doi.org/10.21883/FTT.2021.09.51251.07H}
\elib{https://elibrary.ru/item.asp?id=46690889}
\transl
\jour Phys. Solid State
\yr 2021
\vol 63
\issue 10
\pages 1519--1523
\crossref{https://doi.org/10.1134/S106378342109033X}
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