An investigation was made of the electronic and ionic conductivities of La0.70Ca0.30Mn0.95Co0.05O3 perovskite. The ionic conductivities (table 79) were determined by using encapsulated zirconia micro-electrodes, and a Hebb-Wagner analysis of the current versus voltage curves.
P.Shuk, K.Künstler, W.Richter, U.Guth, L.Tichonova: Solid State Phenomena, 1994, 39-40, 103-6
Table 79
Oxide Ion Conductivities of La0.70Ca0.30Mn0.95Co0.05O3 Perovskite
Temperature(K) | PO2 (bar) | (S/cm) |
973 | 0.2 | 3.95 |
973 | 10-5 | 3.80 |
973 | 10-6 | 3.52 |
973 | 10-7 | 3.23 |
973 | 10-9 | 3.16 |
973 | 10-11 | 3.04 |
923 | 0.2 | 4.25 |
923 | 10-5 | 4.20 |
923 | 10-6 | 3.85 |
923 | 10-7 | 3.70 |
923 | 10-9 | 3.65 |
973 | 10-11 | 3.54 |
873 | 0.2 | 4.70 |
873 | 10-5 | 4.70 |
873 | 10-6 | 3.95 |
873 | 10-7 | 3.85 |
873 | 10-9 | 3.80 |
873 | 10-11 | 3.70 |