An Alternative Explanation for the Origin of the Resistivity Anomaly in La-Doped BaTiO3 |
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| Authors: | Finlay D. Morrison Derek C. Sinclair Anthony R. West |
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| Affiliation: | Department of Engineering Materials, University of Sheffield, Sheffield S1 3JD, United Kingdom |
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| Abstract: | Semiconductivity in La-doped BaTiO3 ceramics after high-temperature firing, e.g., 1350°C in air, is attributed to oxygen nonstoichiometry. In more heavily doped compositions, the observed resistivity rise is attributed to surface oxidation of the grains during cooling. |
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| Keywords: | resistivity lanthanum barium titanate |
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