The analysis of the magnetorefractive effect in La 0.7Ca0.3MnO3: thin films and single crystalsстатья
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Дата последнего поиска статьи во внешних источниках: 19 июля 2013 г.
Аннотация:Recently, it has been shown that the magnetorefractive effect in reflection and
transmission modes in La0.7Ca0.3MnO3 manganite 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