diff options
Diffstat (limited to '377/CH13/EX13.4/13_4.sce')
| -rw-r--r-- | 377/CH13/EX13.4/13_4.sce | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/377/CH13/EX13.4/13_4.sce b/377/CH13/EX13.4/13_4.sce new file mode 100644 index 000000000..bd2aee3b6 --- /dev/null +++ b/377/CH13/EX13.4/13_4.sce @@ -0,0 +1,12 @@ +ns=2*10^12;
+E1=(1.11*10^-19)*((ns)^(2/3));
+E2=(1.95*10^-19)*((ns)^(2/3));
+printf('\n The value of E1 is %feV',E1*10^10);
+printf('\n The value of E2 is %feV',E2*10^10);
+Ef=0.24418;
+nE=2.79*10^13;
+a=0.026; //say a=K*T/q
+ns1=nE*a*log(1+exp((Ef-(E1*10^10))/a));
+ns2=nE*a*log(1+exp((Ef-(E2*10^10))/a));
+printf('\n The value of ns1 is %f*10^12',ns1*10^-12);
+printf('\n The value of ns2 is %f*10^12',ns2*10^-12);
\ No newline at end of file |