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Electron and hole concentration increase with temperature. For pure silicon, suitable expression are ph=6200T1.5e-7000/TC/m3. The functional dependence of the motilities on temperature is given by
where the temperature, T, is in degrees Kelvin. Find σ at: (a) 0°C; (b) 40°C; (c) 80°C.
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Engineering Electromagnetics
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