Magnetocaloric Effect of Perovskite Manganites Ce0.67Sr0.33MnO3

被引：0
|
作者：
Mahmoud Aly Hamad
机构：
[1] Al Jouf University,Physics Department, College of Science
来源：
Journal of Superconductivity and Novel Magnetism | 2013年 / 26卷
关键词：
Magnetic materials; Phase transitions; Thermomagnetic effects;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Magnetocaloric properties of the Ce0.67Sr0.33MnO3 system near a phase transition from a ferromagnetic to a paramagnetic state are investigated. The value of the magnetocaloric effect has been determined from the calculation of magnetization as a function of temperature under different external magnetic fields. The ΔSM distribution is uniform, which is desirable for an Ericson-cycle magnetic refrigerator. The data show that Ce0.67Sr0.33MnO3 can be used as a working material of an apparatus based on the active magnetic regenerator cycle that cools hydrogen gas from the temperature of liquid natural gas to nearly the boiling point of hydrogen.
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页码：2981 / 2984
页数：3
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