Abstract
Magnetic linear dichroism (MLD) is observed in polycrystalline La0.7Sr0.3MnO3 films in transmitted light. The spectral and temperature dependences of the MLD are determined for the energy E of the light wave ranging from 1.5 to 3.5 eV. The experimental spectra are fitted by a sum of Lorentzian curves. The MLD spectrum exhibits more features in comparison to the spectra of magnetic circular dichroism (MCD), which we measured earlier using the same film samples. Various temperature behaviors of the intensities of the Lorentzian components centered at different E values have been revealed. This can be related to the effect of the surface states on the magneto-optical characteristics of the samples.
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Original Russian Text © Yu.E. Greben’kova, A.E. Sokolov, I.S. Edelman, N.V. Andreev, V.I. Chichkov, Ya.M. Mukovskii, 2013, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2013, Vol. 98, No. 8, pp. 518–522.
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Greben’kova, Y.E., Sokolov, A.E., Edelman, I.S. et al. Linear and quadratic magneto-optical effects observed in La0.7Sr0.3MnO3 thin films in transmitted light. Jetp Lett. 98, 460–464 (2013). https://doi.org/10.1134/S0021364013210078
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DOI: https://doi.org/10.1134/S0021364013210078