Two-stage nuclear demagnetization refrigerator reaching 27 �K
作者： H. Ishimoto , N. Nishida , T. Furubayashi , M. Shinohara , Y. Takano
DOI: 10.1007/BF00683649
关键词:
摘要: A two-stage nuclear demagnetization refrigerator with large cooling capacity has been constructed and successfully operated. The first stage consists of 11 moles the Van Vleck paramagnet PrNi5 in an initial field 6 T, second effectively 19 copper 7.6 T. minimum temperature as measured pulsed platinum NMR is 27 µK, lowest ever obtained a low-field experimental region.
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