(no subject)

Dear All,

I created a charged surface and it should be balanced with Na cations.
What command should I use?

Can you please be more specific

Arun

Hi, you can you the following command and specify the mass and its charge by using appropriate commands of mass and set commands
create_atoms type style args keyword values ...
mass I value
set style ID keyword values ...
[http://lammps.sandia.gov/doc/create_atoms.html](http://lammps.sandia.gov/doc/create_atoms.html)