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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 /377/CH7 | |
| 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 '377/CH7')
| -rw-r--r-- | 377/CH7/EX7.1/7_1.sce | 6 | ||||
| -rw-r--r-- | 377/CH7/EX7.2/7_2.sce | 8 | ||||
| -rw-r--r-- | 377/CH7/EX7.3/7_3.sce | 8 | ||||
| -rw-r--r-- | 377/CH7/EX7.4/7_4.sce | 6 | ||||
| -rw-r--r-- | 377/CH7/EX7.5/7_5.sce | 8 |
5 files changed, 36 insertions, 0 deletions
diff --git a/377/CH7/EX7.1/7_1.sce b/377/CH7/EX7.1/7_1.sce new file mode 100644 index 000000000..85ea4dde5 --- /dev/null +++ b/377/CH7/EX7.1/7_1.sce @@ -0,0 +1,6 @@ +disp("Eg=1.420+(1.087*x)+(0.438*x^2)");
+x=800*10^-9;
+Eg=1.420+(1.087*x)+(0.438*x^2);
+printf('\n The value of Eg is %feV',Eg);
+printf('\n');
+disp("The corresponding bandgap value for x=800nm from Eg(x) is 0.11");
\ No newline at end of file diff --git a/377/CH7/EX7.2/7_2.sce b/377/CH7/EX7.2/7_2.sce new file mode 100644 index 000000000..bcc869cdc --- /dev/null +++ b/377/CH7/EX7.2/7_2.sce @@ -0,0 +1,8 @@ +disp("The absorption edge of the quantum well structureoccurs at Eg+Ehh1+Ee1");
+Ehh1=0.002;
+Ee1=0.014;
+Eg=1.424;
+E=Eg+Ehh1+Ee1;
+printf('\n The band edge therefore shifts from 1.424eV to %f eV',E);
+printf('\n');
+disp("This corresponds to a blue shift of 10nm");
\ No newline at end of file diff --git a/377/CH7/EX7.3/7_3.sce b/377/CH7/EX7.3/7_3.sce new file mode 100644 index 000000000..6f177b73d --- /dev/null +++ b/377/CH7/EX7.3/7_3.sce @@ -0,0 +1,8 @@ +disp("The absorption edge of the quantum well structureoccurs at Eg+Ehh1+Ee1");
+Ehh1=0.003;
+Ee1=0.025;
+Eg=1.424;
+E=Eg+Ehh1+Ee1;
+printf('\n The band edge therefore shifts from 1.424eV to %f eV',E);
+printf('\n');
+disp("This corresponds to a wavelength of 854nm");
\ No newline at end of file diff --git a/377/CH7/EX7.4/7_4.sce b/377/CH7/EX7.4/7_4.sce new file mode 100644 index 000000000..0d1538a77 --- /dev/null +++ b/377/CH7/EX7.4/7_4.sce @@ -0,0 +1,6 @@ +a=2.75;
+b=0.3;
+c=1.43;
+d=0.7;
+Eg=a*b+c*d;
+printf('\n For the Al0.3Ga0.7As alloy, the bandgap energy is %feV',Eg);
\ No newline at end of file diff --git a/377/CH7/EX7.5/7_5.sce b/377/CH7/EX7.5/7_5.sce new file mode 100644 index 000000000..ff04dbec6 --- /dev/null +++ b/377/CH7/EX7.5/7_5.sce @@ -0,0 +1,8 @@ +a=1.247;
+b=0.3;
+c=a*b; //say c=ΔEg
+printf('\n The value of ΔEg is %feV',c);
+d=c*0.6; //say ΔEc=d
+printf('\n The value of ΔEc is %feV',d);
+e=c-d; //say ΔEv=e
+printf('\n The barrier height for valence band is %feV',e);
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