From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 3401/CH11/EX11.5/Ex11_5.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 3401/CH11/EX11.5/Ex11_5.sce

(limited to '3401/CH11/EX11.5/Ex11_5.sce')

diff --git a/3401/CH11/EX11.5/Ex11_5.sce b/3401/CH11/EX11.5/Ex11_5.sce
new file mode 100755
index 000000000..cc8a0ed98
--- /dev/null
+++ b/3401/CH11/EX11.5/Ex11_5.sce
@@ -0,0 +1,21 @@
+clc
+
+T=300// K
+k=1.3806*10^-23// JK^-1
+Na=10^14// cm^-3
+Qss=10^10// cm^-2
+tox=500*10^-8// a=500A =500*10^-8 cm
+phims=-0.83// V
+epsilon0=8.85*10^-14// F/m
+epsilons=11.7
+epsilonox=3.9
+ni=1.5*10^10// cm^-3
+e=1.6*10^-19// eV
+phifp=(((k*T)/e)*log(Na/ni))
+disp(phifp,"the value of phifp in V is")
+xdT=(4*(epsilons*epsilon0)*phifp/(e*Na))^0.5
+disp(xdT,"the value of xdT in microm is")
+QSD=e*Na*xdT// [QSD(max)]=e*Na*xdT
+disp(QSD,"the value of QSD in C/cm^2")
+VTN=(QSD-(Qss*e))*(tox/(epsilonox*epsilon0))+phims+2*phifp// VTN=(QSD(max)-Qss)*(tox/epsilonox)+phims+2*phifp
+disp(VTN,"the value of VTN in V is")
-- 
cgit