Email this article Miniaturized Heat-Flux Sensor Based on a Glass-Insulated Bi–Sn Microwire
- Authors: Konopko L.A.1, Nikolaeva A.A.1, Huber T.E.2, Kobylianskaya A.K.1
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Affiliations:
- Ghitu Institute of Electronic Engineering and Nanotechnology
- Department of Chemistry, Howard University
- Issue: Vol 53, No 5 (2019)
- Pages: 662-666
- Section: XVI International Conference “thermoelectrics and Their Applications–2018” (Iscta 2018,) St. Petersburg, October 8–12, 2018
- URL: https://journals.rcsi.science/1063-7826/article/view/206119
- DOI: https://doi.org/10.1134/S1063782619050117
- ID: 206119
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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.
About the authors
L. A. Konopko
Ghitu Institute of Electronic Engineering and Nanotechnology
Author for correspondence.
Email: l.konopko@nano.asm.md
Moldova, Republic of, Chisinau, MD-2028
A. A. Nikolaeva
Ghitu Institute of Electronic Engineering and Nanotechnology
Email: l.konopko@nano.asm.md
Moldova, Republic of, Chisinau, MD-2028
T. E. Huber
Department of Chemistry, Howard University
Email: l.konopko@nano.asm.md
United States, Washington, DC 20059
A. K. Kobylianskaya
Ghitu Institute of Electronic Engineering and Nanotechnology
Email: l.konopko@nano.asm.md
Moldova, Republic of, Chisinau, MD-2028
