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- W1241566641 abstract "本文介绍了一台用于交流小讯号测量的低温恒温器.利用内液池减压,最低温度可达1.370K,并且在测量功率为0.15mW时,内液池液氦可以维持样品温度在1.4K达20小时以上.系统装置了在8T的背景磁场内最高可达0.18T的交变调制场,从而可以实现利用双交流法精细测量磁阻或霍耳系数随磁场变化的函数关系.试验结果表明,此恒温器具有低液氦蒸发量和可从1.3～300K连续控温的特点.用此装置对Co膜的霍尔系数测量的实验中,霍尔电压变化量的测量精度达到了0.5nV." @default.
- W1241566641 created "2016-06-24" @default.
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- W1241566641 date "2005-01-01" @default.
- W1241566641 modified "2023-09-24" @default.
- W1241566641 title "顶端加载、温度范围在300－1.4K的多功能交流测量恒温器" @default.
- W1241566641 hasPublicationYear "2005" @default.
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