1 files changed, 22 insertions, 0 deletions
diff --git a/401/CH6/EX6.4/Example6_4.sce b/401/CH6/EX6.4/Example6_4.sce
new file mode 100755
index 000000000..f37c65ed7
--- /dev/null
+++ b/401/CH6/EX6.4/Example6_4.sce
@@ -0,0 +1,22 @@
+//Example 6.4
+//Program to compare the approximate radiative minority carrier 
+//lifetimes in gallium arsenide and silicon
+
+clear;
+clc ;
+close ;
+
+//Given data
+N=10^18;              //per cm^3 - HOLE CONCENTRATION
+Br1=7.21*10^(-10);    //cm^3 / s - RECOMBINATION COEFFICIENT FOR GaAs
+Br2=1.79*10^(-15);    //cm^3 / s - RECOMBINATION COEFFICIENT FOR Si
+
+//Radiative minority carrier lifetime for GaAs
+tau_r1=1/(Br1*N);
+
+//Radiative minority carrier lifetime for Si
+tau_r2=1/(Br2*N);
+
+//Displaying the Results in Command Window
+printf("\n\n\t Radiative minority carrier lifetime for GaAs is %0.2f ns.",tau_r1/10^(-9));
+printf("\n\n\t Radiative minority carrier lifetime for Si is %0.2f ms.",tau_r2/10^(-3));
+\ No newline at end of file