1 files changed, 22 insertions, 0 deletions
diff --git a/3401/CH9/EX9.2/Ex9_2.sce b/3401/CH9/EX9.2/Ex9_2.sce
new file mode 100755
index 000000000..7858e956c
--- /dev/null
+++ b/3401/CH9/EX9.2/Ex9_2.sce
@@ -0,0 +1,22 @@
+clc
+
+T=300 //K
+k=8.617*10**-5//eV/K
+e=1.6*10**-19 //C
+esp=11.7
+esp0=8.85*10^-14 
+Nd=2.7*10**17 //cm^-3
+Na=2.8*10**19 //cm^-3
+Vbi=0.40
+
+//(1/C)^2=2*(Vbi+Vr)/(e*esp*Nd)
+//delta(1/C)^2/deltaVr=z
+z=4.4*10**13
+Nd=2/(e*esp*esp0*z)
+disp(Nd,"semiconductor doping in cm^-3 is= ")
+
+phin=(k*T)*log(Na/Nd)
+disp(phin,"in v is=")
+
+phibn=Vbi+phin
+disp(phibn,"schottky barrier height in V is=")