期刊
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
卷 26, 期 9, 页码 2981-2984出版社
SPRINGER
DOI: 10.1007/s10948-013-2124-5
关键词
Magnetic materials; Phase transitions; Thermomagnetic effects
Magnetocaloric properties of the Ce0.67Sr0.33 MnO3 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 Delta S-M 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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