Electrical conductivity of CaMoO4 |
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| Authors: | Alexander Petrov Per Kofstad |
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| Institution: | Department of Chemistry, University of Oslo, Blindern, Oslo 3, Norway |
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| Abstract: | The electrical conductivity and ionic transport number of CaMoO4 has been measured as a function of the partial pressure of oxygen (1–10?18 atm) at 750, 800, and 850°C. Two sets of samples were studied: (1) CaMoO4 annealed at 1100°C in the presence of CaO, and (2) CaMoO4 annealed in MoO3 vapor at 1100°C. Sample 1 is a mixed ionic/electronic conductor while Sample 2 is essentially an electronic conductor. A defect structure model is proposed to explain the results. |
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