1 files changed, 25 insertions, 0 deletions
diff --git a/3636/CH6/EX6.6/Ex6_6.sce b/3636/CH6/EX6.6/Ex6_6.sce
new file mode 100644
index 000000000..51a5b17af
--- /dev/null
+++ b/3636/CH6/EX6.6/Ex6_6.sce
@@ -0,0 +1,25 @@
+clc;
+clear;
+Jn=20 //in A/cm^2
+Jp=5 //in A/cm^2
+Va=0.65 //in V
+Dn=25 //in cm^2/s
+Dp=10 ///in cm^2/s
+tau_n0=5*10^-7 //in s
+tau_p0=5*10^-7 //in s
+epsilon_r=11.8 //in F/cm
+epsilon_0=8.85*10^-14 //in F/cm
+e=1.6*10^-19 //in eV
+ni=1.5*10^10 //in cm^-3
+Const=0.0259 //constant for kT/e in V
+
+//Calculation 
+Lp=sqrt(Dp*tau_p0) //in cm
+pn0=(Jp*Lp)/(e*Dp*(exp(Va/Const)-1)) //law of mass action in cm^-3
+Nd=(ni^2/pn0)
+Ln=sqrt(Dn*tau_n0) //in cm
+np0=(Jn*Ln)/(e*Dn*(exp((Va/Const))-1)) //in cm^-3
+Na=ni^2/np0 
+
+mprintf("Nd= %1.2e cm^-3\n",Nd) //The answers vary due to round off error
+mprintf("Na= %1.2e cm^-3",Na)