A high-resolution thermometer for the range 0.75-1.0 K

被引:0
|
作者
Panek, JS
Nash, AE
Larson, M
Mulders, N
机构
[1] CALTECH, Jet Prop Lab, Pasadena, CA 91109 USA
[2] Univ Delaware, Dept Phys & Astron, Newark, DE 19716 USA
来源
PHYSICA B | 2000年 / 284卷
关键词
thermometer; He-3-He-4; mixture; tricritical point; gadolinium gallium garnet;
D O I
10.1016/S0921-4526(99)02767-2
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
We report on a new high-resolution thermometer (HRT) for use near the tricritical point in He-3-He-4 mixtures. It is based on an existing HRT design that uses a DC-SQUID to detect the magnetization of a paramagnetic sensing element. We present the first test results of an HRT using a gadolinium gallium garnet (GGG) crystal. Sensitivity over the temperature range 0.4-3.5 K for applied fields from 0.41 to 20 G is presented, (C) 2000 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码:2000 / 2001
页数:2
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