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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 /3492/CH5/EX5.7 | |
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Diffstat (limited to '3492/CH5/EX5.7')
| -rw-r--r-- | 3492/CH5/EX5.7/Ex5_7.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3492/CH5/EX5.7/Ex5_7.sce b/3492/CH5/EX5.7/Ex5_7.sce new file mode 100644 index 000000000..549cdc666 --- /dev/null +++ b/3492/CH5/EX5.7/Ex5_7.sce @@ -0,0 +1,19 @@ +clc
+//Chapter5
+//Ex_7
+//Given
+Nd=10^15 //in cm^-3
+Nc=2.8*10^19 //in cm^-3
+Ti=556 // in Kelvin
+k=8.62*10^-5 //in eV/K
+delta_E=0.045 //in eV
+T=300 //in kelvin
+//part(a)
+disp("From fig 5.16 the estimated temperature above which the si sample behaves as if intrinsic is 556 Kelvin")
+//part(b)
+Ts=delta_E/(k*log(Nc/(2*Nd)))
+Nc_Ts=Nc*(Ts/T)^(3/2)
+disp(Ts,"Lowest temperature in kelvin is")
+//the improved temperature
+Ts=delta_E/(k*log(Nc_Ts/(2*Nd)))
+printf("Extrinsic range of Si is %f K to 556 K",Ts)
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