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If all donor atoms of an n-type semiconductor are fully ionized at room temperature, each donor atom contributes one electron to the conduction band, and
If all donor atoms of an n-type semiconductor are fully ionized at room temperature, each donor atom contributes one electron to the conduction band, and the donor concentration is 10^19 cm-3 , what is the resistivity of the doped semiconductor? The electron scattering time is 11 fs and the effective mass of the electrons is equal to the free electron mass, _e = _e .
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