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Zhurnal Tekhnicheskoi Fiziki, 2018, Volume 88, Issue 11, Pages 1689–1694
DOI: https://doi.org/10.21883/JTF.2018.11.46631.2155
(Mi jtf5773)
 

Physics of nanostructures

Electrical and mechanical properties of CeO$_2$-based thin-film coatings obtained by electrophoretic deposition

E. G. Kalininaab, E. Yu. Pikalovabc, S. V. Shcherbininab

a Institute of Electrophysics, Ural Branch, Russian Academy of Sciences, Ekaterinburg
b Ural Federal University named after the First President of Russia B. N. Yeltsin, Ekaterinburg
c Institute of High-Temperature Electrochemistry, RAS, Yekaterinburg, Russia
Abstract: Nanometer Ce$_{0.8}$(Sm$_{0.75}$Sr$_{0.2}$Ba$_{0.05}$)$_{0.2}$O$_{2-\delta}$ powder with mean nanoparticle size of 15 nm has been obtained by laser evaporation of a solid-phase target followed by condensation. The nanopowder has been used to prepare suspensions for electrophoretic deposition in a mixed isopropanol : acetyl acetone = 50:50 vol % disperse medium offering the unique property of self-stabilization. Optimal conditions for electrophoretic deposition have been found, and uniform thin-film electrolytic coatings have been formed on a La$_2$NiO$_4$ cathodic carrier substrate (12–15% porosity). It has been shown that the resulting electrolyte offers a high adhesivity and has, after sintering at 1400$^{\circ}$C, a compact granular structure with grains from 1 to 8 $\mu$m in size. The conductivity of the 2-$\mu$m-thick electrolyte equals 0.1 S/cm at 650$^{\circ}$C.
Keywords: Electrophoretic Deposition (ED), Compact Granular Structure, Solid-phase Target, Mean Nanoparticle Size, Solid Oxide Fuel Cells (SOFC).
Funding agency Grant number
Russian Foundation for Basic Research 16-03-00025-а
Ministry of Education and Science of the Russian Federation СП-536.2015.1
0389-2014-0002
02.A03.21.0006
Received: 29.12.2016
English version:
Technical Physics, 2018, Volume 63, Issue 11, Pages 1636–1641
DOI: https://doi.org/10.1134/S1063784218110130
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: E. G. Kalinina, E. Yu. Pikalova, S. V. Shcherbinin, “Electrical and mechanical properties of CeO$_2$-based thin-film coatings obtained by electrophoretic deposition”, Zhurnal Tekhnicheskoi Fiziki, 88:11 (2018), 1689–1694; Tech. Phys., 63:11 (2018), 1636–1641
Citation in format AMSBIB
\Bibitem{KalPikShc18}
\by E.~G.~Kalinina, E.~Yu.~Pikalova, S.~V.~Shcherbinin
\paper Electrical and mechanical properties of CeO$_2$-based thin-film coatings obtained by electrophoretic deposition
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2018
\vol 88
\issue 11
\pages 1689--1694
\mathnet{http://mi.mathnet.ru/jtf5773}
\crossref{https://doi.org/10.21883/JTF.2018.11.46631.2155}
\elib{https://elibrary.ru/item.asp?id=36904543}
\transl
\jour Tech. Phys.
\yr 2018
\vol 63
\issue 11
\pages 1636--1641
\crossref{https://doi.org/10.1134/S1063784218110130}
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