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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 /284/CH4/EX4.1/ex_1.sce | |
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initial commit / add all books
Diffstat (limited to '284/CH4/EX4.1/ex_1.sce')
| -rwxr-xr-x | 284/CH4/EX4.1/ex_1.sce | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/284/CH4/EX4.1/ex_1.sce b/284/CH4/EX4.1/ex_1.sce new file mode 100755 index 000000000..ff37a0aaf --- /dev/null +++ b/284/CH4/EX4.1/ex_1.sce @@ -0,0 +1,15 @@ +// Chapter 4_Carrier Transport Phenomenon
+//Caption_Carrier drift
+//Ex_1//page 134
+T=300 //temperature in kelvin
+Na=0
+e=1.6*(10^-19)
+Nd=10^16 //donor concentration in per cm cube
+E=10 //Applied electric field in V/cm
+ni=1.8*(10^6)
+n=(Nd-Na)/2+(((Nd-Na)/2)^2+ni^2)^0.5
+p=ni^2/n
+muN=8500 //mobility of electron in gallium arsenide in cm^2/V-s
+mup=400
+J=e*(muN*n+mup*p)*E
+printf('The drift current density for this electric field is %1.2fd A/cm^2',J )
\ No newline at end of file |