Abstract
The self diffusion of 5425Mn in monocrystalline manganous oxide has been studied in order to investigate the predominant lattice defect in in the low oxygen pressure region of the phase field. In the low oxygen pressure region of the phase field the material exhibits apparent n‐type behavior. A graph of for a temperature of 1032°C exhibits a constant slope of . This pressure dependence is consistent with the model for doubly ionized cation vacancies over the range of composition studied.
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