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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /3665/CH8/EX8.13 | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
| download | Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.gz Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.tar.bz2 Scilab-TBC-Uploads-7f60ea012dd2524dae921a2a35adbf7ef21f2bb6.zip | |
initial commit / add all books
Diffstat (limited to '3665/CH8/EX8.13')
| -rw-r--r-- | 3665/CH8/EX8.13/Ex8_13.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3665/CH8/EX8.13/Ex8_13.sce b/3665/CH8/EX8.13/Ex8_13.sce new file mode 100644 index 000000000..2d8a8bb8d --- /dev/null +++ b/3665/CH8/EX8.13/Ex8_13.sce @@ -0,0 +1,24 @@ +clc//
+//
+//
+
+//Variable declaration
+ni=1.5*10^16; //carrier density(per m^3)
+mew_e=0.135; //electron mobility(m^2/Vs)
+mew_h=0.048; //hole mobility(m^2/Vs)
+e=1.6*10^-19;
+Nd=10^23;
+T=300; //temperature(K)
+k=1.38*10^-23;
+
+//Calculation
+sigma=ni*e*(mew_e+mew_h); //conductivity(ohm-1 m-1)
+p=ni^2/Nd; //hole concentration(per m^3)
+sigma_ex=Nd*e*mew_e; //conductivity(ohm-1 m-1)
+x=3*k*T*log(mew_e/mew_h)/4;
+
+//Result
+printf("\n conductivity is %0.3f *10^-3 ohm-1 m-1",sigma*10^3)
+printf("\n hole concentration is %0.3f per m^3",p)
+printf("\n conductivity is %0.3f *10^3 ohm-1 m-1",sigma_ex/10^3)
+printf("\n position of fermi level is %0.2f eV",x/(1.6*10^-19))
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