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 SM ISO690:2012KONOPKO, Leonid, NIKOLAEVA, Albina, HUBER, Tito, KOBYLIANSKAYA, A.K.. Miniaturized Heat-Flux Sensor Based on a Glass-Insulated Bi–Sn Microwire. In: Semiconductors, 2019, vol. 53, pp. 662-666. ISSN 1063-7826. DOI: https://doi.org/10.1134/S1063782619050117 |
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  Semiconductors |
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| Volumul 53 / 2019 / ISSN 1063-7826 | ||||||
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| DOI:https://doi.org/10.1134/S1063782619050117 | ||||||
| Pag. 662-666 | ||||||
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Abstract: Thermoelectric-energy conversion based on a single element made of an anisotropic material is considered. In such materials, the heat flux generates a transverse electric field. We fabricate an experimental heat-flux sensor (HFS) sample consisting of a 10-m-long glass-insulated single-crystal tin-doped bismuth microwire (outer diameter D = 18 μm, microwire diameter d = 4 μm). The microwire is wound into a flat spiral after recrystallization in a strong electric field, during which the main crystallographic axis C3 is oriented at the optimum angle with respect to the microwire axis. The sensor sensitivity reaches 10–2 V/W with the time constant τ ≈ 0.2 s. The sensor fabrication technology is rather simple and reliable for industrial applications. |
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