| Defect Structure, Nonstoichiometry and Nonstoichiometry Relaxation of Complex Oxides |
| Han-Ill Yoo |
| Department of Materials Science and Engineering, Seoul National University |
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| ABSTRACT |
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An SOFC consists of all ceramic complex oxides each with different electrochemical-property requirements. These requirements, in principle, can be made met to a great extent by controlling or tailoring the defect structure of the oxide. This paper reviews the defect structure, nonstoichiometry as a measure of the total defect concentration, and the defect relaxation kinetics of complex oxides that are currently involved in a variety of growing applications today. |
| Key words:
Defect structure, Nonstoichiometry, Nonstoichiometry Relaxation, Complex Oxides, SOFC |
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