diff options
Diffstat (limited to '3636/CH4/EX4.4/Ex4_4.sce')
| -rw-r--r-- | 3636/CH4/EX4.4/Ex4_4.sce | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/3636/CH4/EX4.4/Ex4_4.sce b/3636/CH4/EX4.4/Ex4_4.sce new file mode 100644 index 000000000..a29d9b8b8 --- /dev/null +++ b/3636/CH4/EX4.4/Ex4_4.sce @@ -0,0 +1,17 @@ +clc;
+clear;
+n0=5*10^15 //carrier concentration in cm^-3
+ni=10^10 //in cm^-3
+p0=2*10^4 //in cm^-3
+deln=5*10^13 //excess carriers in semiconductor in cm^-3
+delp=5*10^13 //in cm^-3
+Const=0.026 //constant value for kT/e in V
+
+//Calculation
+delE1=Const*log(n0/ni)
+delE2=Const*log((n0+deln)/ni)
+delE3=Const*log((p0+delp)/ni)
+
+mprintf("1)\nposition of the Fermi level at thermal equilibrium= %0.4f eV\n",delE1)
+mprintf("2)\nquasi-Fermi level for electrons in non-equilibrium= %0.4f eV\n",delE2)
+mprintf("3)\nquasi-Fermi level for holes in non-equilibrium= %0.4f eV",delE3)
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