diff options
Diffstat (limited to '2594/CH5/EX5.18')
| -rwxr-xr-x | 2594/CH5/EX5.18/Ex5_18.sce | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/2594/CH5/EX5.18/Ex5_18.sce b/2594/CH5/EX5.18/Ex5_18.sce new file mode 100755 index 000000000..ff43bb7aa --- /dev/null +++ b/2594/CH5/EX5.18/Ex5_18.sce @@ -0,0 +1,22 @@ +clc
+Na=10^17
+disp("Na = "+string(Na)+" cm^-3") //initializing value of acceptor concentration.
+Nd=5*10^16
+disp("Nd = "+string(Nd)+" cm^-3") //initializing value of donor concentration.
+e=1.6*10^-19
+disp("e = "+string(e)+" columbs") //initializing value of charge of electrons.
+no=1.5*10^10
+disp("no = "+string(no)+" cm^3") //initializing value of intrinsic carrier concentration.
+T=300
+disp("T = "+string(T)+" K") //initializing value of temperature.
+Vt=0.0259
+disp("Vt = "+string(Vt)+" eV") //initializing value of thermal voltage.
+Vbi=(Vt*(log(Na*Nd/(no^2))))
+disp("(a)Vbi=(Vt*(log(Na*Nd/(no^2))))="+string(Vbi)+" V")//calculation.
+Efi_Efp=(Vt*log(Na/(no)))
+disp("(b)value of fermi level on each side of junction,Efi_Efp=(Vt*log(Na/(no)))="+string(Efi_Efp)+" V")//calculation.
+Efn_Efi=(Vt*log(Nd/(no)))
+disp("Efn_Efi=(Vt*log(Nd/(no)))="+string(Efn_Efi)+" V")//calculation.
+disp("(c)The energy band digram is similar to Fig P5.3")
+Vbi=((Efi_Efp)+(Efn_Efi))
+disp("(d)Vbi=((Efi_Efp)+(Efn_Efi))/(e)=Vj="+string(Vbi)+" V")//calculation.
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