1 files changed, 15 insertions, 0 deletions
diff --git a/3401/CH4/EX4.3/Ex4_3.sce b/3401/CH4/EX4.3/Ex4_3.sce
new file mode 100755
index 000000000..03db78419
--- /dev/null
+++ b/3401/CH4/EX4.3/Ex4_3.sce
@@ -0,0 +1,15 @@
+clc
+
+T1=300 //K
+T2=450 //K
+Nc=4.7*10^17 //cm^-3
+N=7*10^18 //cm^-3
+k=8.617*10^-5 //eV/K
+a=k*T1*(T2/T1)
+disp(a,'kT=%f eV\n\n')
+
+ni=sqrt(Nc*N*exp(-1.42/(k*T1)))
+disp(ni,'ni=%f cm^-3\n\n')
+
+ni=sqrt(Nc*N*(T2/T1)^3*exp(-1.42/a))
+disp(ni,'ni=%f cm^-3\n\n')