Limiting oxygen partial pressure of LaMnO3 phase |
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| Authors: | Naoki Kamegashira Yuji Miyazaki Yoshihiko Hiyoshi |
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| Affiliation: | Department of Materials Science, Toyohashi University of Technology, Tempaku-cho, Toyohashi, 440 Japan |
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| Abstract: | Oxygen partial pressure at the decomposition of LaMnO3(s) has been determined by measuring the dependence of the isothermal electrical conductivity on oxygen partial pressure from 1173 to 1473 K. The Gibbs free energy of formation of LaMnO3(s) from La2O3(s) and MnO(s) was obtained as ΔG0f,T = ?130.9 + 0.0329 T kJ/mol. |
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