5 Compensation

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Acceptor impurities have been added at a level 30% of the donors. What is the carrier concentration in the extrinsic regime? Look carefully at the behavior of the chemical potential at temperatures below 50 K and compare with the low temperature behavior of the uncompensated material of preset 4.

Increase the acceptor concentration to 3x10^15 (1/cm^3) to convert this sample to p-type.