Critical behavior of the heat capacity of the manganite La0.87K0.13MnO3

被引：0
作者：
A. G. Gamzatov
A. M. Aliev
K. Sh. Khizriev
I. K. Kamilov
A. S. Mankevich
I. E. Korsakov
机构：
[1] Russian Academy of Sciences,Amirkhanov Institute of Physics, Dagestan Scientific Centre
[2] Moscow State University,undefined
来源：
Physics of the Solid State | 2011年 / 53卷
关键词：
Manganite; Critical Exponent; Phase Transition Temperature; Critical Behavior; Universality Class;
D O I：
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摘要：
The heat capacity of the manganite La0.87K0.13MnO3 has been measured in the temperature range 80–350 K. The nature of the ferromagnetic phase transition and the critical properties of heat capacity near the Curie temperature have been studied. The regularities of variations in the universal critical parameters near the phase transition point have been established. The calculated critical exponent and amplitudes of the heat capacity with allowance for corrections on the scaling (α = −0.13 and A+/A− = 1.178) correspond to the critical behavior of the 3D Heizenberg model.
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页码：2271 / 2274
页数：3
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