Fermi level

  • Thread starter xw0927
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  • #1
xw0927
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for the semiconductor which doping both donor and acceptor impurities...
for example,determine the hole and electron density thermal equlibrium densities and the location of fermi level with respect to Ec,for a silicon at 300K that is doped with 3x10^6 boron and 2.9x 10^6 phospohorus....the question i asked is this doping semiconductor is N or P type semiconductor???isn"t we need determine its is N and P type semiconductor first???
 

Answers and Replies

  • #2
caffenta
144
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No, you find out if it's primarily n or p-type by calculating the electron and hole concentration.
 
  • #3
xw0927
7
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ooo..okay,thanks ya^^....then about finding the location of the fermi level with respect to Ec,after we had determine it is N type semiconnductor,then we use the equation of Ef-Ei=kt ln N(donor) / N(intrinsic)???
 

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