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Quest Related to fermi level

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mohammed.peer

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can any body tell me how can i calculate the concentration of donar or acceptor atoms if the difference between fermi level of intrinsic semi conductor and doped semiconductor is given..
 

by using d relation fermipotential=(kT/q)In(ni/NA)
 

for a more complete answer, check out the book:
solid state electronic devices by streetman
I think it may even be floating around on edaboard (i dunno, haven't checked).

The book will give you a more complete answer with conceptual understanding (rather than just a formula).
 

we can definitely calculate concentration of donor or acceptor atoms because the addition of donor/acceptor atoms causes shifting of fermi level in the semiconductor. Greater the addition of impurities more will be the shifting of Fermi level. Hence they are related parameters.
 

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