Asked by lisa

Chemical analysis of a silicon crystal reveals gallium at a level of 3.091×10−6 atomic percent. Assuming that the concentration of thermally excited charge carriers from the Si matrix is negligible, what is the density of free charge carriers (free carriers/cm3) in this Si crystal?
unanswered
Answered by Anonima
wrong answer...
Answered by School girl
Any hint how to do it?
Answered by MIT2
CHEAT!

Do NOT help this person. They are trying to cheat in a midterm exam.
Answered by Odesa
As its Si: 5.00*10^22 / (gallium level*10^-2) by someguy
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