氧化磁性材料在再生器中的替代效应

Teion kogaku = Cryogenic engineering : [official journal of the Cryogenic Association of Japan] Pub Date : 2002-08-25 DOI:10.2221/JCSJ.37.416

H. Ikeda, T. Koyano, Y. Matsubara, R. Yoshizaki

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引用次数: 2

摘要

制备了几种TbAlO3及相关磁性材料样品。这些材料具有较大的磁矩，大多数材料的磁相变都在4K以下。用绝热脉冲法测定了各试样的热容。研究了热容随制备温度的变化规律。讨论了这些材料作为脉冲管制冷机蓄热材料的可能性。

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Substitution Effect of Oxide Magnetic Materials for Regenerator

Several samples of TbAlO3 and related magnetic materials were developed. These materials have large magnetic moment, and most of them exhibit the magnetic phase transition below 4K. The heat capacity of all samples has been measured with the adiabatic heat-pulse method. The dependence of the heat capacity on the preparation temperature has been studied. We discussed possibility of using these materials as regenerator materials in pulse tube refrigerator.

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Teion kogaku = Cryogenic engineering : [official journal of the Cryogenic Association of Japan]

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