Using the following data that relate to the formation of Schottky defects in some oxide ceramic (having the chemical formula MO), determine the following:
(a) The energy for defect formation (in eV)
(b) The equilibrium number of Schottky defects per cubic meter at 1000°C
(c) The identity of the oxide (i.e., what is the metal M?)
T(°C) | ρ(g/cm3) | Ns(m−3) |
750 | 5.50 | 9.21 × 1019 |
1000 | 5.44 | ? |
1250 | 5.37 | 5.0 × 1022 |
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