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Development of a cryogen-free dilution refrigerator
文献摘要：
With thermal fluctuation strongly suppressed,low temperature environment is essential for studies of condensed matter physics and developments of quantum technologies.Ultra-low temperature below 20 mK has demonstrated its importance and significance in physical sciences and information techniques.Dilution refrigeration is by far the best feasible and reliable method to generate and keep lattice temperature in this range.With a potential shortage of helium supply,cryogen-free dilution refrigerator(CFDR),eliminating the necessity of regular helium refill,becomes the main facility for the purpose of creating ultralow temperature environments.Here we describe our successful construction of a CFDR which reached a base temperature of around 10.9 mK for continuous circulation and 8.6 mK for single-shot operation.We describe its operating mechanism and the designs of key components,especially some unique designs including heat switch and alumina thermal link.Possible improvements in the future are also discussed.
文献关键词：
中图分类号：
[1] 医药、卫生（R） / 基础医学（R3） / 病理学（R36） / 病理过程（R364）
[2] 医药、卫生（R） / 药学（R9） / 药理学（R96） / 实验药理学（R965）
[3] 医药、卫生（R） / 临床医学（R4） / 治疗学（R45） / 生物疗法（R456）
作者姓名：
Zhongqing Ji;Jie Fan;Jing Dong;Yongbo Bian;Zhi-Gang Cheng
作者机构：
Beijing National Laboratory for Condensed Matter Physics and Institute of Physics,Chinese Academy of Sciences,Beijing 100190,China;Songshan Lake Materials Laboratory,Dongguan 523808,China;School of Physical Sciences,University of Chinese Academy of Sciences,Beijing 100190,China
文献出处：
中国物理B（英文版）
引用格式：
[1]Zhongqing Ji;Jie Fan;Jing Dong;Yongbo Bian;Zhi-Gang Cheng-.Development of a cryogen-free dilution refrigerator)[J].中国物理B（英文版）,2022(12):217-225
A类：
cryogen,CFDR
B类：
Development,free,dilution,refrigerator,With,thermal,fluctuation,strongly,suppressed,temperature,essential,studies,condensed,matter,physics,developments,quantum,technologies,Ultra,below,mK,has,demonstrated,its,importance,significance,physical,sciences,information,techniques,Dilution,refrigeration,by,far,best,feasible,reliable,method,generate,keep,lattice,this,range,potential,shortage,helium,supply,eliminating,necessity,regular,refill,becomes,main,facility,purpose,creating,ultralow,environments,Here,we,describe,our,successful,construction,which,reached,base,around,continuous,circulation,single,shot,operation,We,operating,mechanism,designs,key,components,especially,some,unique,including,heat,switch,alumina,link,Possible,improvements,future,are,also,discussed
AB值：
0.698474
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