Ionic Domain for Y <sub>2</sub> O <sub>3</sub> ‐Doped ThO <sub>2</sub> at Low Oxygen Activities

John B. Hardaway, John Patterson, D. R. WILDER, Jon David Schieltz

Journal of the American Ceramic Society · 1971 · 21 citations · 8 references

Concepts

Abstract

The emf method was used to determine the lower limit of oxygen activity for essentially pure anionic conduction in Th 0.85 Y 0.15 O 1.925 from 775° to 1000C. The results show that the oxygen transference number is ≥0.99 when log PO 2 ≥−6.5(10 4 / T °K)+29.

References

8