Ruthenium oxide cryogenic temperature sensors

被引:20
|
作者
Sahul, R [1 ]
Tasovski, V [1 ]
Sudarshan, TS [1 ]
机构
[1] MMI, Fairfax, VA 22031 USA
关键词
resistance thermometry; cryogenics; sensors; nanopowders; ruthenium oxides; nano;
D O I
10.1016/j.sna.2005.08.008
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
RuO2 based cryogenic temperature sensors were developed using a nanopowder approach. Ruthenium oxide nanopowders were consolidated t, process and were tested for resistivity as a function of temperature for determining into compacts Using the Plasma Pressure Compaction ((PC)-C-2 (R)) the reproducibility and stability of the sensors due to thermal stresses. The sensors showed metallic behavior and strong positive temperature coefficient of resistivity (PTCR). Resistance-temperaturc calibration demonstrated a monotonic response with a positive temperature coefficient of resistivity from 70 to 300 K along with dimensionless sensitivity (approximately 1.0) comparable to that of platinum resistance thermometers. (c) 2005 Published by Elsevier B.V.
引用
收藏
页码:358 / 362
页数:5
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