This is one of the potential files. This defines parameters relevant to interactions between Aluminum and Magnesium atoms. Copy and paste the text in to a file named AlMg.meam

 lattce(1,2)='b1'
 delta(1,2)=0.4575
 alpha(1,2)=4.915
 re(1,2)=2.821
 rho0(1)=1.0
 rho0(2)=0.6
 rc=5.0
 Cmin(1,1,2) = 0.00
 Cmin(2,2,1) = 2.00
 Cmin(1,2,1) = 2.00
 Cmin(1,2,2) = 2.00
 ialloy=1
 nn2(1,1)=1
 nn2(2,2)=1