[QE-users] convergence for kpoints and ecuwfc

[Sabike Ghasemi]

hi all 
I want to optimize a supercell of graphene bilayer with 16 atoms. I choose ecut= 150 Ry , kpoints = 3*3*1, but i don't sure about it. I should converge these values before vc-relax? 
Can anyone help me? 


Best regards 
sabike ghasemi 
phd student 
damghan university 
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