Sub-millikelvin station at Synergetic Extreme Condition User Facility Project supported by the National Basic Research Program of China (Grant Nos. 2016YFA0300601, 2015CB921402, 2011CB921702, and 2009CB929101), the National Natural Science Foundation of China (Grant Nos. 11527806, 91221203, 11174340, 11174357, and 91421303), and the Strategic Priority Research Program B of the Chinese Academy of Sciences (Grant No. XDB07010100). Z.G.C. acknowledges the support from Hundreds Talent Program, Chinese Academy of Sciences. |
(color online) Various designs of the copper demagnetization stage. |