Title of article
A manometric method for the determination of chemical diffusion in non-stoichiometric oxides: Example of (La,Sr)Mn)O3
Author/Authors
Bak، نويسنده , , T and Nowotny، نويسنده , , J and Rekas، نويسنده , , M and Sorrell، نويسنده , , C.C and Vance، نويسنده , , E.R، نويسنده ,
Issue Information
دوهفته نامه با شماره پیاپی سال 2000
Pages
5
From page
557
To page
561
Abstract
This paper describes the application of a manometric method for the determination of the chemical diffusion coefficient for the electrode material (La0.8Sr0.2)MnO3 in the temperature range 500–850°C. In the manometric method, the progress of a chemical reaction, such as oxygen incorporation into a non-stoichiometric oxide, can be monitored by the determination of changes in oxygen partial pressure. It was observed that the diffusion data obtained for oxidation and reduction differ essentially in both absolute values and their temperature dependence.
Keywords
Manometric method , Non-stoichiometric oxides , chemical diffusion
Journal title
Solid State Ionics
Serial Year
2000
Journal title
Solid State Ionics
Record number
1707558
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