diff options
Diffstat (limited to '1730/CH3/EX3.27/Exa3_27.sce')
| -rwxr-xr-x | 1730/CH3/EX3.27/Exa3_27.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/1730/CH3/EX3.27/Exa3_27.sce b/1730/CH3/EX3.27/Exa3_27.sce new file mode 100755 index 000000000..2e3c9f189 --- /dev/null +++ b/1730/CH3/EX3.27/Exa3_27.sce @@ -0,0 +1,19 @@ +//Exa3.27
+clc;
+clear;
+close;
+// given data
+N_D=10^21;// in m^-3
+N_A=10^22;// in m^-3
+D_e=3.4*10^-3;// in m^2/s
+D_h=1.2*10^-3;// in m^2/s
+L_e=7.1*10^-4;// in m
+L_h=3.5*10^-4;// in m
+n_i=1.602*10^16;// in /m^3
+e=1.6*10^-19;// in C (electron charge)
+// Formula I_0=a*e*[D_h/(L_h*N_D) + D_e/(L_e*N_A)]*n_i^2
+//and
+// Reverse saturation current density = I_0/a = [D_h/(L_h*N_D) + D_e/(L_e*N_A)]*e*n_i^2 , So
+CurrentDensity= [D_h/(L_h*N_D) + D_e/(L_e*N_A)]*e*n_i^2;// in A
+CurrentDensity=CurrentDensity*10^6;// in micro A
+disp("Reverse saturation current density is : "+string(CurrentDensity)+" micro amp");
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