Abstract
Electron spin resonance is studied in films of La1−x Ca x MnO3 manganites with compositions in the vicinity of the calcium content x = 0.5, in which the phase separation is most clearly pronounced. It is found that the La0.5Ca0.5MnO3 manganite undergoes different types of phase separation: (i) at temperatures above the Curie point, ferromagnetic regions exist in the paramagnetic phase; and (ii) at temperatures below the Néel point, antiferromagnetic microregions coexist with ferromagnetic microregions. Two types of ferromagnetic domains with different magnetization orientations are revealed In the temperature range between the Curie and Néel points.
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Original Russian Text © A.O. Badrutdinov, E.M. Zarubezhnova, Yu.I. Talanov, G.B. Teĭtel’baum, G. Jakob, 2007, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 132, No. 1, pp. 92–98.
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Badrutdinov, A.O., Zarubezhnova, E.M., Talanov, Y.I. et al. Electron spin resonance study of the local properties of the microscopic phase separation in La1 − x Ca x MnO3 single-crystal films. J. Exp. Theor. Phys. 105, 79–85 (2007). https://doi.org/10.1134/S1063776107070175
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DOI: https://doi.org/10.1134/S1063776107070175