Ultra-sensitive cryogenic thermometer based on an array of the SIN tunnel junctions

被引：3
|
作者：
Kuzmin, Leonid [1 ]
机构：
[1] Chalmers, Dept Microtechnol & Nanosci, SE-41296 Gothenburg, Sweden
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2008年 / 468卷 / 03期
关键词：
cryogenic thermometer; SIN tunnel junction; array of junctions; temperature resolution; electron-phonon noise; noise equivalent temperature;
D O I：
10.1016/j.physc.2007.10.024
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A novel concept of an ultra-sensitive thermometer based on a series array of superconductor-insulator-normal (SIN) tunnel junctions has been proposed. The array helps to improve matching with an amplifier proportionally to the number of junctions. There is no fundamental limit for total noise and the main limitation is electron-phonon noise of the normal island reverse proportional to volume of the normal metal. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：142 / 146
页数：5
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