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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3401/CH11/EX11.5/Ex11_5.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '3401/CH11/EX11.5/Ex11_5.sce')
| -rwxr-xr-x | 3401/CH11/EX11.5/Ex11_5.sce | 21 |
1 files changed, 21 insertions, 0 deletions
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")
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