Table 1 Values of conductivity and activation energies in different materials
From: Ionic Transport Properties in Nanocrystalline Ce0.8A0.2O2-δ (with A = Eu, Gd, Dy, and Ho) Materials
Materials | Eσ(eV) | σgi(S cm−1) (at 550°C) | σgb(S cm−1) (at 550°C) | σ (S cm−1) (550°C) |
|---|---|---|---|---|
GDC0.2 | 1.07 | 5.8 × 10−4 | 7.3 × 10−4 | 1.8 × 10−4 |
EuDC0.2 | 0.91 (480–550°C) 1.13 (250–470°C) | 3.45 × 10−4 | 4.4 × 10−4 | 1.39 × 10−4 |
DyDC0.2 | 1.16 | 1.36 × 10−4 | ||
HDC0.2 | 1.26 | 1.4 × 10−4 |