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-rw-r--r--3636/CH3/EX3.4/Ex3_4.sce12
-rw-r--r--3636/CH3/EX3.4/Ex3_4.txt1
2 files changed, 13 insertions, 0 deletions
diff --git a/3636/CH3/EX3.4/Ex3_4.sce b/3636/CH3/EX3.4/Ex3_4.sce
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--- /dev/null
+++ b/3636/CH3/EX3.4/Ex3_4.sce
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+clear;
+clc;
+n0=10^16 //doping atoms of P in atoms/cm^3
+ni=1.5*10^10 //in cm^-3
+Const=0.0259 //constant value for kT in eV
+
+//Calculation
+p0=(ni^2)/n0 //in cm^-3
+x=(n0/ni)
+delE=Const*log(x) //difference between energy bands Ef-Ei
+
+mprintf("Ef-Ei= %.3f eV",delE)
diff --git a/3636/CH3/EX3.4/Ex3_4.txt b/3636/CH3/EX3.4/Ex3_4.txt
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index 000000000..ed5abc380
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+ Ef-Ei= 0.347 eV \ No newline at end of file