The Analysis of the Magnetorefractive Effect in La 0.7Ca0.3Mno3: Thin Films and Single Crystals

A.N. Yurasov; T.N. Bakhvalova; Andrei Telegin; Yu.P. Sukhorukov; A.B. Granovsky

doi:10.4028/www.scientific.net/SSP.190.381

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The Analysis of the Magnetorefractive Effect in La 0.7Ca0.3Mno3: Thin Films and Single Crystals

Abstract:

Recently, it has been shown that the magnetorefractive effect in reflection and transmission modes in La_0.7Ca_0.3MnO₃manganite thin films and single crystals can reach several percents for single crystals and up to 20-40% for thin films in the middle infrared spectral range near the Curie temperature. In the present paper, to explain these data we used the effective medium approach and supposed that La _0.7Ca _0.3MnO₃ manganites consist of low and high resistivity phases with volume fractions depending on an applied magnetic field. It is shown that the magnetorefractive effect spectra strongly depend on magnetoresistance and optical properties of manganites in the infrared range.

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Solid State Phenomena (Volume 190)

Pages:

381-384

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.190.381

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Online since:

June 2012

Authors:

A.N. Yurasov, T.N. Bakhvalova, Andrei Telegin, Yu.P. Sukhorukov, A.B. Granovsky

Keywords:

Magnetoreflection, Magnetorefractive Effect, Magnetoresistance, Magnetotransmission, Manganite

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References

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DOI: 10.1063/1.333386

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