The oxide ionic conductivity of Sc0.18Zr0.82O1.91 doped with 0.5 mol.% of both Yb2O3 and In2O3 is evaluated at various temperatures in air. Among various co-doped compositions, In0.02Sc0.18Zr0.80O1.90 exhibits the highest grain ionic conductivity followed by Yb0.02Sc0.18Zr0.80O1.90 at 500°C. However, it also possesses phase transformation from c- to β-phase at 475°C on cooling. In the present work, an attempt is made to completely stabilize the cphase in In0.02Sc0.18Zr0.80O1.90 by substituting 0.5 mol.% of In2O3 with Yb2O3, which can enhance the ionic conductivity in co-doped compositions.
|Journal||A I P Conference Proceedings Series|
|Publication status||Published - 2012|
|Event||International Workshop on Functional Materials (IWFM-2011) - Berhampur, India|
Duration: 20 Dec 2011 → 22 Dec 2011
|Conference||International Workshop on Functional Materials (IWFM-2011)|
|Period||20/12/2011 → 22/12/2011|