Miniaturized Heat-Flux Sensor Based on a Glass-Insulated Bi–Sn Microwire
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KONOPKO, Leonid; NIKOLAEVA, Albina; HUBER, Tito; KOBYLIANSKAYA, A.K.. Miniaturized Heat-Flux Sensor Based on a Glass-Insulated Bi–Sn Microwire. In: Semiconductors. 2019, nr. 5(53), pp. 662-666. ISSN 1063-7826.
10.1134/S1063782619050117
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Semiconductors
Numărul 5(53) / 2019 / ISSN 1063-7826

Miniaturized Heat-Flux Sensor Based on a Glass-Insulated Bi–Sn Microwire


DOI: 10.1134/S1063782619050117
Pag. 662-666

Konopko Leonid1, Nikolaeva Albina1, Huber Tito2, Kobylianskaya A.K.1
 
1 Ghitu Institute of Electronic Engineering and Nanotechnology,
2 Howard University
 
Disponibil în IBN: 10 iunie 2019


Rezumat

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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<dc:creator>Konopko, L.A.</dc:creator>
<dc:creator>Nikolaeva, A.</dc:creator>
<dc:creator>Huber, T.</dc:creator>
<dc:creator>Kobileanscaia (Ţurcan), A.C.</dc:creator>
<dc:date>2019-05-01</dc:date>
<dc:description xml:lang='en'><p>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 &mu;m, microwire diameter d = 4 &mu;m). The microwire is wound into a flat spiral after recrystallization in a strong electric field, during which the main crystallographic axis C<sub>3</sub> is oriented at the optimum angle with respect to the microwire axis. The sensor sensitivity reaches 10<sup>&ndash;2</sup> V/W with the time constant &tau; &asymp; 0.2 s. The sensor fabrication technology is rather simple and reliable for industrial applications.</p></dc:description>
<dc:identifier>10.1134/S1063782619050117</dc:identifier>
<dc:source>Semiconductors 53 (5) 662-666</dc:source>
<dc:title><p>Miniaturized Heat-Flux Sensor Based on a Glass-Insulated Bi&ndash;Sn Microwire</p></dc:title>
<dc:type>info:eu-repo/semantics/article</dc:type>
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