1 files changed, 20 insertions, 0 deletions
diff --git a/3665/CH4/EX4.2/Ex4_2.sce b/3665/CH4/EX4.2/Ex4_2.sce
new file mode 100644
index 000000000..a097b52fb
--- /dev/null
+++ b/3665/CH4/EX4.2/Ex4_2.sce
@@ -0,0 +1,20 @@
+clc//
+//
+//
+
+//Variable declaration
+Ev=1.2;
+k=1.38*10^-23;     //boltzmann constant(J/K)
+e=1.6*10^-19;      //charge(eV)
+T1=350;    //temperature(K)
+T2=500;    //temperature(K)
+
+//Calculation
+x1=Ev/(2.303*k*T1/e);
+n1=1/(10^x1);     //number of vacancies per atom at 350K
+x2=Ev/(2.303*k*T2/e);
+n2=1/(10^x2);     //number of vacancies per atom at 500K
+
+//Result
+printf("\n number of vacancies per atom at 350K is %0.4f *10^-17",n1*10^17)
+printf("\n number of vacancies per atom at 500K is %0.3f *10^-12",n2*10^12)