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(a) Silicon (50 g) has been doped with 27 mg of antimony (Sb). Determine the concentration of free charge carriers (carriers/cm...Asked by Ankur
Silicon (50 g) has been doped with 27 mg of antimony (Sb). Determine the concentration of free charge carriers (carriers/cm3) at room temperature in this material.
Calculate the absorption edge of this material. Express your answer as a wavenumber in units of inverse meters.
Calculate the absorption edge of this material. Express your answer as a wavenumber in units of inverse meters.
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Answered by
Ling
a) 6.22*10^18
b)wavenumber= Eg / hc
Eg(Silicon band energy)= 1.11 eV (to joules)
h=6.6*10^-34
c=3*10^8
wavenumber= Eg*1.6*10^-19 / hc = 896969.69
b)wavenumber= Eg / hc
Eg(Silicon band energy)= 1.11 eV (to joules)
h=6.6*10^-34
c=3*10^8
wavenumber= Eg*1.6*10^-19 / hc = 896969.69
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