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//Computation of Critical Nuclear Radius
clear;
clc;
printf("\tExample 10.1\n");
printf("\n\tPart A");
Hf=-1.16*10^9; // in J/m^3 latent heat of fusion
Y=0.132; // in J/m^2 Surface energy
Tm=1064+273; // in K Melting point of gold
T=1064+273-230; // in K 230 is supercooling value
r=-2*Y*Tm/(Hf*(Tm-T));
printf("\nCritical Radius is : %.2f nm\n",r/10^-9);
G=16*%pi*Y^3*Tm^2/(3*Hf^2*(Tm-T)^2);
printf("\nActivation free energy is : %.2e J\n",G);
//end
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