diff options
Diffstat (limited to '1952/CH7/EX7.11/Ex7_11.sce')
| -rwxr-xr-x | 1952/CH7/EX7.11/Ex7_11.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/1952/CH7/EX7.11/Ex7_11.sce b/1952/CH7/EX7.11/Ex7_11.sce new file mode 100755 index 000000000..a73c06520 --- /dev/null +++ b/1952/CH7/EX7.11/Ex7_11.sce @@ -0,0 +1,11 @@ +// chapter 7 , Example 7.11 , pg 214
+T=300 //temperature (in K)
+e=1.6*10^-19 //charge of electron (in C)
+h=6.625*10^-34 //plancks constant (in m^2*Kg*S^-1)
+Eg=1.1 //bandgap (in eV)
+k=1.38*10^-23 //Boltzmann constant (in J/K)
+Me=9.11*10^-31 //mass of electron (in Kg)
+Mn=0.31*Me //electron effective mass
+ni=2*((2*%pi*k*T*Mn)/h^2)^(3/2)*exp(-(Eg*e)/(2*k*T)) //intrinsic concentration
+printf("Intrinsic concentration (in m^-3)")
+disp(ni)
|