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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 /273/CH19/EX19.1 | |
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initial commit / add all books
Diffstat (limited to '273/CH19/EX19.1')
| -rwxr-xr-x | 273/CH19/EX19.1/ex19_1.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/273/CH19/EX19.1/ex19_1.sce b/273/CH19/EX19.1/ex19_1.sce new file mode 100755 index 000000000..2d20bdaa3 --- /dev/null +++ b/273/CH19/EX19.1/ex19_1.sce @@ -0,0 +1,15 @@ +clc;clear;
+//Example 19.1
+//calculation of potential barrier
+
+//given values
+e=1.6*10^-19;
+n=4.4*10^28;//no of atoms per m^3
+kT=.026*e;//temp eqvlnt at room temp
+ni=2.4*10^19;//no of intrinsic carriers per m^3
+NA=n/10^6;//no of acceptors
+ND=n/10^6;//no of donors
+
+//calculation
+V=(kT/e)*log(NA*ND/ni^2);
+disp(V,'potential barrier in volts is');
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