Abstract
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 1019 cm−3 or higher are most suitable for this purpose. In the temperature range of 300–700 K, coefficient β = 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 × 1 × 0.3 mm is ∼100 µs; i.e., they can be used in monitoring systems with a response speed of up to 10 kHz.
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Original Russian Text © V.S. Bormashov, S.G. Buga, V.D. Blank, M.S. Kuznetsov, S.A. Nosukhin, S.A. Terent’ev, E.G. Pel’, 2009, published in Pribory i Tekhnika Eksperimenta, 2009, No. 5, pp. 134–139.
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Bormashov, V.S., Buga, S.G., Blank, V.D. et al. Fast-response thermistors made of synthetic single-crystal diamonds. Instrum Exp Tech 52, 738–742 (2009). https://doi.org/10.1134/S0020441209050182
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DOI: https://doi.org/10.1134/S0020441209050182