Elastic properties of a La0.5Pr0.2Ca0.3MnO3 single crystal

被引：0
作者：
N. G. Bebenin
R. I. Zainullina
V. V. Ustinov
机构：
[1] Ural Branch of the Russian Academy of Sciences,M.N. Miheev Institute of Metal Physics
来源：
Physics of the Solid State | 2016年 / 58卷
关键词：
Internal Friction; Manganite; Sound Velocity; Magnetic Transition; Ferromagnetic State;
D O I：
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学科分类号：
摘要：
The temperature dependences of the velocity of longitudinal sound and internal friction in the ferromagnetic La0.5Pr0.2Ca0.3MnO3 single crystal with magnetic first-order phase transition were studied. It was found that the sound velocity decreases by ≈20% in transition from the ferromagnetic to paramagnetic state. In the paramagnetic region, the extended temperature hysteresis of the sound velocity and the internal friction was observed. It was shown that La0.5Pr0.2Ca0.3MnO3 has two paramagnetic phases with different sound velocities.
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页码：296 / 299
页数：3
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