Magnetic ordering in the perovskites Eu1−x CaxMnO3 (0⩻x⩻0.5) |
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Authors: | I. O. Troyanchuk N. V. Samsonenko G. Shimchak A. Nabyalek |
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Affiliation: | (1) Institute of Solid-State and Semiconductor Physics, Bellorussian Academy of Sciences, 220072 Minsk, Bellorus;(2) Institute of Physics, Polish Academy of Sciences, Warsaw, Poland |
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Abstract: | The magnetic properties of Eu1−x CaxMnO3 have been investigated. As the calcium content increased up to x=0.2, the magnetization and the blocking temperature of the magnetic moments of clusters increased and the magnetic anisotropy decreased. As the calcium content increased further, the magnetization decreased, while the “freezing” temperature of the magnetic moments increased. Anomalies of the magnetic properties were observed in compositions with x=0.4 and 0.5 at T=40 K; these anomalies are attributed to a transition to the antiferromagnetic state in the charge-ordered phase. Fiz. Tverd. Tela (St. Petersburg) 39, 117–120 (January 1997) |
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