1 files changed, 18 insertions, 0 deletions
diff --git a/339/CH6/EX6.4/ex6_4.sce b/339/CH6/EX6.4/ex6_4.sce
new file mode 100755
index 000000000..437073e4f
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+//doping concentrations
+Nc=2.8*10^19;
+Nd=1*10^16;
+term=Nc/Nd;
+k=1.38*10^-23; //Boltzman's constant
+q=1.6*10^-19; //charge
+Vc=(k*T)*log(term)/q;
+Vm=5.1; //workfunction
+X=4.05; //affinity
+Vd=(Vm-X)-Vc; //Barrier Voltage
+Epsilon=11.9*8.854*10^-12;
+ds=sqrt((2*Epsilon*Vd)/(q*Nd));
+A=1*10^-4; //cross-sectional area
+Cj=(A*Epsilon)/(ds); //junction capacitance
+disp("Volts",Vc,"Conduction Band potential");
+disp("Volts",Vd,"Built in Barrier Voltage");
+disp("metre",ds,"Space Charge Width");
+disp("Farads",Cj,"Junction Capacitance");
+\ No newline at end of file