diff options
Diffstat (limited to '2243/CH11/EX11.7/Ex11_7.sce')
| -rwxr-xr-x | 2243/CH11/EX11.7/Ex11_7.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/2243/CH11/EX11.7/Ex11_7.sce b/2243/CH11/EX11.7/Ex11_7.sce new file mode 100755 index 000000000..09b804ace --- /dev/null +++ b/2243/CH11/EX11.7/Ex11_7.sce @@ -0,0 +1,16 @@ +clc();
+clear;
+//Given :
+//Fraction F = n/N
+Eg = 0.72; // Energy gap in eV
+k = 0.026/300;// kT value at 300 K , so k = kT/T
+T1 = 30; // Temperature in K
+T2 = 300; //Temperature in K
+T3 = 1210;//Temperature in K
+//Fraction of electrons : n/N = exp(-Eg/2*k*T)
+F1 = exp(-Eg/(2*k*T1));
+F2 = exp(-Eg/(2*k*T2));
+F3 = exp(-Eg/(2*k*T3));
+printf(" For 30 K , n/N = %.1f x 10^-61\n",F1*10^61);
+printf(" For 300 K , n/N = %.1f x 10^-7\n",F2*10^7);
+printf(" For 1210 K , n/N = %.3f \n",F3);
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