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Diffstat (limited to '2444/CH1/EX1.12/ex1_12.sce')
| -rwxr-xr-x | 2444/CH1/EX1.12/ex1_12.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/2444/CH1/EX1.12/ex1_12.sce b/2444/CH1/EX1.12/ex1_12.sce new file mode 100755 index 000000000..a882bd6e3 --- /dev/null +++ b/2444/CH1/EX1.12/ex1_12.sce @@ -0,0 +1,19 @@ +// Exa 1.12
+clc;
+clear;
+close;
+format('v',7)
+// Given data
+n_i = 2.5*10^13;// in /cm^3
+miu_e = 3800;//in cm^2/V-s
+miu_h = 1800;// in m^2/V-s
+e = 1.6*10^-19;// in C
+sigma_i = n_i*e*(miu_e+miu_h);// in (ohm-cm)^-1
+disp(sigma_i,"The intrinsic conductivity in (ohm-cm)^-1 is");
+n = 4.4*10^22;
+impurity = 10^-7;
+N_D = n*impurity;// in /cm^3
+n = N_D;// in /cm^3
+p = (n_i^2)/N_D;// in holes/cm^3
+sigma_n = e*N_D*miu_e;// in (ohm-cm)^-1
+disp(sigma_n,"The conductivity in N-type Ge semiconductor in (ohm-cm)^-1 is");
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