Friday
April 25, 2014

Homework Help: Chemistry

Posted by Alan on Thursday, April 25, 2013 at 7:15pm.

N-type silicon (Si) has been produced by doping with phosphorus (P). The charge-carrier population based on electrical conductivity measurments is determined to be 3.091*10^17 carriers/cm3 at room temperature.

1. Calculate the doping level of P (how much P has been added to the Si). Express your answer in units of g P / kg Si.

2. What is the majority charge carrier in the material described above?

A. p-type
B. n-type
C. electrons
D. holes

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