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Pisma v Zhurnal Tekhnicheskoi Fiziki, 2021, Volume 47, Issue 16, Pages 36–38
DOI: https://doi.org/10.21883/PJTF.2021.16.51327.18808 (Mi pjtf4709) 		 
Experimental evaluation of the temperature dependence of the absorption of metal oxide powders heated by a 527-GHz gyrotron radiation

A. I. Tsvetkovab, D. A. Mansfelda, A. V. Vodopyanova, A. S. Sedova

a Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod
b Volga State University of Water Transport, Nizhnii Novgorod
Full-text PDF (440 kB)
DOI: https://doi.org/10.21883/PJTF.2021.16.51327.18808
Abstract: In this paper, the temperature dependence of the absorption index of Al$_2$O$_3$, ZnO, and TiO$_2$ powders at a frequency of 527 GHz was studied. A continuous-wave gyrotron with an output power up to 240 W was used as a microwave power source for heating the samples. The power absorbed by the samples was measured in the temperature range from 300 to 1000$^\circ$C. A significant increase (by four to six times) in the absorption index was observed as compared with the experiments at a frequency of 263 GHz.
Keywords: metal oxide powders, absorption, gyrotron.
Funding agency Grant number
Russian Science Foundation 18-79-10194
This paper was supported by the Russian Science Foundation, project no. 18-79-10194.
Received: 05.04.2021
Revised: 07.05.2021
Accepted: 11.05.2021
English version:
Technical Physics Letters, 2021, Volume 47, Issue 11, Pages 827–829
DOI: https://doi.org/10.1134/S1063785021080277
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: A. I. Tsvetkov, D. A. Mansfeld, A. V. Vodopyanov, A. S. Sedov, “Experimental evaluation of the temperature dependence of the absorption of metal oxide powders heated by a 527-GHz gyrotron radiation”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 47:16 (2021), 36–38; Tech. Phys. Lett., 47:11 (2021), 827–829
Citation in format AMSBIB
\Bibitem{TsvManVod21}
\by A.~I.~Tsvetkov, D.~A.~Mansfeld, A.~V.~Vodopyanov, A.~S.~Sedov
\paper Experimental evaluation of the temperature dependence of the absorption of metal oxide powders heated by a 527-GHz gyrotron radiation
\jour Pisma v Zhurnal Tekhnicheskoi Fiziki
\yr 2021
\vol 47
\issue 16
\pages 36--38
\mathnet{http://mi.mathnet.ru/pjtf4709}
\crossref{https://doi.org/10.21883/PJTF.2021.16.51327.18808}
\elib{https://elibrary.ru/item.asp?id=46323026}
\transl
\jour Tech. Phys. Lett.
\yr 2021
\vol 47
\issue 11
\pages 827--829
\crossref{https://doi.org/10.1134/S1063785021080277}
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