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//chapter6,Example6_12,pg 124
//permeability of electron to be in C.B=F(Ec)
e=1.6*10^-19
Eg=5.6
Ef=Eg/2
Ec=Eg
K=1.38*10^-23
T=27+273//converting in Kelvin
KT=K*T
KT=KT/e
//e^(Ec-Ef/KT)>>1
Fermi_F=e^((Ef-Ec)/KT)//fermi factor
printf("probability of electron on CB\n")
disp(Fermi_F)
printf("\nit is infinite in negative direction for an insulator like diamond, so diamond cannot take part in conduction")
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