For the same carrier concentrations, order the following n-type semiconductor materials with respect to their room-temperature conductivities. Assume n > p.
a. Ge d. CdTe b. InP e. ZnS c. GaP
A milligram of arsenic is added to 10 kg of silicon.
a. How many unit cells of Si are associated with an As atom?
b. Estimate the electrical resistivity of this semiconductor.
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