Phase formation, microstructure, and ionic conductivity of (La,Sr)(Ga,Ge,Mg)O3–d ceramics
- Autores: Kaleva G.M.1, Mosunov A.V.1, Sadovskaya N.V.1, Politova E.D.1
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Afiliações:
- Karpov Institute of Physical Chemistry (Russian State Scientific Center)
- Edição: Volume 53, Nº 7 (2017)
- Páginas: 764-769
- Seção: Article
- URL: https://journals.rcsi.science/0020-1685/article/view/158262
- DOI: https://doi.org/10.1134/S002016851707010X
- ID: 158262
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Resumo
We have prepared ceramic (La0.8Sr0.2){[Ga0.8–x(Ge0.5Mg0.5)x]Mg0.2}O3–d (LSGGM) (x = 0, 0.1, 0.2, 0.4, 0.6, 0.8) samples by solid-state reactions and studied their phase composition, structure, microstructure, and electrical conductivity. Phase-pure solid solutions have been obtained upon substitution of germanium and magnesium cations for up to 20 at % of the gallium cations. The modified samples have been shown to have high density, optimal microstructure, densely packed grains, and high electrical conductivity at high temperatures.
Sobre autores
G. Kaleva
Karpov Institute of Physical Chemistry (Russian State Scientific Center)
Autor responsável pela correspondência
Email: kaleva@nifhi.ru
Rússia, per. Obukha 3, Moscow, 105064
A. Mosunov
Karpov Institute of Physical Chemistry (Russian State Scientific Center)
Email: kaleva@nifhi.ru
Rússia, per. Obukha 3, Moscow, 105064
N. Sadovskaya
Karpov Institute of Physical Chemistry (Russian State Scientific Center)
Email: kaleva@nifhi.ru
Rússia, per. Obukha 3, Moscow, 105064
E. Politova
Karpov Institute of Physical Chemistry (Russian State Scientific Center)
Email: kaleva@nifhi.ru
Rússia, per. Obukha 3, Moscow, 105064
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