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Features of the ellipsometric investigation of magnetic nanostructures

  • Proceedings of the Conference “Methods for Studying the Composition and Structure of Functional Materials” October 21–25, 2013, Novosibirsk
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Abstract

The technique for interpreting magneto-ellipsometric measurements is proposed. The model of a homogeneous semi-infinite medium for reflecting layered magnetic structures in the presence of the magnetic field in the configuration of the magneto-optical equatorial Kerr effect is considered. Based on the analysis of the Fresnel coefficients with regard to the magneto-optical parameter Q appearing in the off-diagonal elements of the permittivity tensor, the expressions are obtained using which the refraction (n) and absorption (k) coefficients, the real (Q 1) and imaginary (Q 2) parts of the magneto-optical parameter can be found from the ellipsometric (ψ0 and Δ0) and magneto-ellipsometric (ψ0 + δψ and Δ0 + δΔ) measurements. The results will allow to measure and analyze the magnetic characteristics such as hysteresis loops and the coercitive force of layered nanostructures using the conventional ellipsometric equipment.

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Authors and Affiliations

  1. Siberian Federal University, Krasnoyarsk, Russia

    O. A. Maksimova & S. G. Ovchinnikov

  2. Kirensky Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, Russia

    O. A. Maksimova, N. N. Kosyrev, S. N. Varnakov, S. A. Lyashchenko & S. G. Ovchinnikov

  3. Reshetnev Siberian State Aerospace University, Krasnoyarsk, Russia

    N. N. Kosyrev, S. N. Varnakov & S. A. Lyashchenko

Authors
  1. O. A. Maksimova
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  2. N. N. Kosyrev
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  3. S. N. Varnakov
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  4. S. A. Lyashchenko
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  5. S. G. Ovchinnikov
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Corresponding author

Correspondence to O. A. Maksimova.

Additional information

Original Russian Text © 2014 O. A. Maksimova, N. N. Kosyrev, S. N. Varnakov, S. A. Lyashchenko, S. G. Ovchinnikov.

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Translated from Zhurnal Strukturnoi Khimii, Vol. 55, No. 6, pp. 1190–1197, November–December, 2014.

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Maksimova, O.A., Kosyrev, N.N., Varnakov, S.N. et al. Features of the ellipsometric investigation of magnetic nanostructures. J Struct Chem 55, 1134–1141 (2014). https://doi.org/10.1134/S0022476614060225

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  • DOI: https://doi.org/10.1134/S0022476614060225

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