Fast-Response Thermistors Made of Synthetic Single-Crystal Diamonds

被引:6
|
作者
Bormashov, V. S. [1 ]
Buga, S. G. [1 ]
Blank, V. D. [1 ]
Kumetsov, M. S. [1 ]
Nosukhin, S. A. [1 ]
Terent'ev, S. A. [1 ]
Pei', E. G. [1 ]
机构
[1] Technol Inst Ultrahard & New Carbon Mat, Troitsk 142190, Moscow Oblast, Russia
关键词
72.80.Cw; 65.40.-b;
D O I
10.1134/S0020441209050182
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Miniature thermistors, are produced from boron-doped synthetic single-crystal diamonds grown under pressure using; the thermal gradient method. It is shown that heavily doped diamonds with a boron concentration of 10(19) cm(-3) or higher are most suitable for this purpose. In the temperature range of 300-700 K, coefficient beta = ln(R-1/R-2)/(1/T-1-1/T-2) is 2500 K. The characteristic response time of temperature-sensitive elements based on crystals with dimensions of 1 x 1 x 0.3 mm is similar to 100 mu s; i.e., they can be used in monitoring systems with a response speed of up to 10 kHz.
引用
收藏
页码:738 / 742
页数:5
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