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authorpriyanka2015-06-24 15:03:17 +0530
committerpriyanka2015-06-24 15:03:17 +0530
commitb1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch)
treeab291cffc65280e58ac82470ba63fbcca7805165 /3440/CH7/EX7.5
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initial commit / add all books
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-rw-r--r--3440/CH7/EX7.5/Ex7_5.sce21
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diff --git a/3440/CH7/EX7.5/Ex7_5.sce b/3440/CH7/EX7.5/Ex7_5.sce
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+clc
+
+T=300 //K
+k=8.617*10^-5 //eV/K
+q=1.6*10**-19 //C
+epsilonx=8.854*10^-14 //F/cm
+ni=9.65*10^9//cm^-3
+ND=2*10^18//cm^-3
+d1=40*10^-7//cm
+d2=8*10^-7//cm
+u=3*10^-7//cm
+Va=0//V
+//deltaEc/q=a
+a=0.23//V
+phibn=0.85//V
+Vp=(q*ND*d1^2)/(2*epsilonx*12.3)
+disp(Vp,"Vp in V is=")
+VT=phibn-a-Vp
+disp(VT,"VT in V is= ")
+ns=((12.3*epsilonx)/(q*(d1+u+d2)))*(Va-VT)
+disp(ns,"ns in cm^-2 is= ")