Of these materials, YSZ has been most successfully employed. The yttrium oxide dopant serves dual roles: it stabilizes the high temperature cubic phase in zirconia and also generates oxygen vacancies through the following defect reaction:
Of these materials,YSZ has been most successfullyemployed. The yttrium oxide dopantserves dual roles: it stabilizes the hightemperature cubic phase in zirconia andalso generates oxygen vacancies throughthe following defect reaction: