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Diffstat (limited to '284/CH3/EX3.14/ex_14.sce')
| -rwxr-xr-x | 284/CH3/EX3.14/ex_14.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/284/CH3/EX3.14/ex_14.sce b/284/CH3/EX3.14/ex_14.sce new file mode 100755 index 000000000..65309f0b0 --- /dev/null +++ b/284/CH3/EX3.14/ex_14.sce @@ -0,0 +1,11 @@ +// Chapter 3_The Semiconductor in Equilibrium
+//Caption_Position of Fermi Energy level
+//Ex_14//page 121
+T=300 //temperature in kelvin
+kT=0.0259
+ni=1.5*(10^10) //intrinsic carrier concentration
+Efa=3*kT //Ef-Ea=3kT
+Eav=0.045
+Efif=Eg/2-(Eav)-(Efa) //The position of fermi level at the maximum doping
+Na=exp(Efif/kT)*ni
+printf('Maximum doping is %fd per cm cube',Na)
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