diff options
Diffstat (limited to '3440/CH7/EX7.5')
| -rw-r--r-- | 3440/CH7/EX7.5/Ex7_5.sce | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/3440/CH7/EX7.5/Ex7_5.sce b/3440/CH7/EX7.5/Ex7_5.sce new file mode 100644 index 000000000..537d79d33 --- /dev/null +++ b/3440/CH7/EX7.5/Ex7_5.sce @@ -0,0 +1,21 @@ +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= ")
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