Specific heat and entropy of dysprosium gallium garnet in magnetic fields

The specific heat of dysprosium gallium garnet (DyGaG) single crystal has been measured between 20 and 2 K in magnetic fields up to 5 T. From the specific heat and adiabatic demagnetization measurements, the temperature dependence of the entropy in various magnetic fields is determined. It is shown...

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Veröffentlicht in:Cryogenics (Guildford) 1985-05, Vol.25 (5), p.271-274
Hauptverfasser: Tomokiyo, A., Yayama, H., Hashimoto, T., Aomine, T., Nishida, M., Sakaguchi, S.
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Sprache:eng
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Zusammenfassung:The specific heat of dysprosium gallium garnet (DyGaG) single crystal has been measured between 20 and 2 K in magnetic fields up to 5 T. From the specific heat and adiabatic demagnetization measurements, the temperature dependence of the entropy in various magnetic fields is determined. It is shown that DyGaG is a good material for magnetic refrigeration between 12 and 2 K.
ISSN:0011-2275
1879-2235
DOI:10.1016/0011-2275(85)90209-7