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 | 3.50 | 5.7 × 109 |
1000 | 3.45 | ? |
1500 | 3.40 5.8 × 1017 |
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