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| author | prashantsinalkar | 2017-10-10 12:38:01 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:38:01 +0530 |
| commit | f35ea80659b6a49d1bb2ce1d7d002583f3f40947 (patch) | |
| tree | eb72842d800ac1233e9d890e020eac5fd41b0b1b /1952/CH12 | |
| parent | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (diff) | |
| download | Scilab-TBC-Uploads-f35ea80659b6a49d1bb2ce1d7d002583f3f40947.tar.gz Scilab-TBC-Uploads-f35ea80659b6a49d1bb2ce1d7d002583f3f40947.tar.bz2 Scilab-TBC-Uploads-f35ea80659b6a49d1bb2ce1d7d002583f3f40947.zip | |
updated the code
Diffstat (limited to '1952/CH12')
| -rwxr-xr-x | 1952/CH12/EX12.22/Ex22.sce | 55 |
1 files changed, 27 insertions, 28 deletions
diff --git a/1952/CH12/EX12.22/Ex22.sce b/1952/CH12/EX12.22/Ex22.sce index a4b5130c6..eba49c42d 100755 --- a/1952/CH12/EX12.22/Ex22.sce +++ b/1952/CH12/EX12.22/Ex22.sce @@ -1,28 +1,27 @@ -// Additional solved examples , Example 22 , pg 341
-ni=1.5*10^10 //intrinsic concentration (in cm^-3)
-Nd=5*10^15 //donor concentration (in atoms/cm^3)
-T=300 //temperature (in K)
-e=1.6*10^-19 //charge of electron (in C)
-k=1.38*10^-23 //Boltzmann constant (in J/K)
-n0=Nd //Assuming n0=Nd ( since Nd >> ni)
-p0=ni^2/n0 //hole concentration
-E=k*T*log(n0/ni) // E=(Ef-Ei) location of Ef relative to Ei
-printf("Hole concentration (in cm^-3)")
-disp(p0)
-printf("Location of Ef relative to Ei (in eV)")
-disp(E/e)
-x = linspace(-5.5,5.5,51);
-y = 1 ;
-
-scf(2);
-clf(2);
-plot(x,y+0.1);
-
-plot(x,y,'ro-');
-plot(x,y-0.329,'--');
-plot(x,y*0,'bs:');
-xlabel(["x axis";"(independent variable)"]);
-ylabel("Energy level (eV)");
-title("Band diagram");
-legend(["Ec";"Ef";"Ei";"Ev"]);
-set(gca(),"data_bounds",matrix([-6,6,-0.1,1.1],2,-1));
+// Additional solved examples , Example 22 , pg 341 +ni=1.5*10^10 //intrinsic concentration (in cm^-3) +Nd=5*10^15 //donor concentration (in atoms/cm^3) +T=300 //temperature (in K) +e=1.6*10^-19 //charge of electron (in C) +k=1.38*10^-23 //Boltzmann constant (in J/K) +n0=Nd //Assuming n0=Nd ( since Nd >> ni) +p0=ni^2/n0 //hole concentration +E=k*T*log(n0/ni) // E=(Ef-Ei) location of Ef relative to Ei +printf("Hole concentration (in cm^-3)") +disp(p0) +printf("Location of Ef relative to Ei (in eV)") +disp(E/e) +x = linspace(-5.5,5.5,51); +y = ones(length(x),1); + +scf(2); +clf(2); +plot(x,y+0.1); + +plot(x,y,'ro-'); +plot(x,y-0.329,'--'); +plot(x,y*0,'bs:'); +xlabel(["x axis";"(independent variable)"]); +ylabel("Energy level (eV)"); +title("Band diagram"); +set(gca(),"data_bounds",matrix([-6,6,-0.1,1.1],2,-1));
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