1 files changed, 13 insertions, 0 deletions
diff --git a/3020/CH18/EX18.16/ex18_16.sce b/3020/CH18/EX18.16/ex18_16.sce
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+++ b/3020/CH18/EX18.16/ex18_16.sce
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+clc;
+clear all;
+T=300;//temperature in kelvin
+k=1.38e-23;//boltzman constant
+h=6.626e-34;//planks constant
+e = 1.6e-19; // Charge of an electron
+Eg=1.1;
+mo =9.1e-31; // mass of electron
+me=0.31; // Effective mass of electron
+r = ((2*%pi*k*T*me*mo)/(h^2))^1.5;// Temporary variable
+s = exp((-Eg*e)/(2*k*T));// Temporary variable
+ni=2*r*s
+disp('m^-3',ni,'the intrinsic concentration is:')