Spin-glass like behaviors in La1−x Tb x MnO3 perovskite



Publication Details

Zhang, Y., Wang, C., Liu, W., Wang, Z., Lu, H. & ZiYu, C. (2009). Spin-glass like behaviors in La1−x Tb x MnO3 perovskite. Science in China. Series G: Physics, Mechanics and Astronomy, 52 (12), 1893-1897.


A series of samples of La1−x Tb x MnO3 (0⩽x⩽0.15) are prepared. The static and dynamic magnetizations of La1−x Tb x MnO3 have been investigated. The results indicate that the spins with the short-range order are frozen into random direction at low enough temperatures which leads to the samples exhibiting the spin-glass like behavior. It is considered that the spin-glass like behavior originates from the competition between ferromagnetic double exchange among Mn3+ and Mn2+ and antiferromagnetic superexchange among Mn3+ and Mn3+, as well as Tb3+ and Tb3+.

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