[Pw_forum] how to get the suitable value of mixing_beta

[Ganjar Kurniawan]

Dear QE users

I have do vc-relax process of my system, when SCF process, the calculation is not converge after all. I think the problem is on the mixing-beta value.  (input and output file are attached)

my question is how to get the suitable value of mixing_beta for mine or any system without doing try and error calculation???


any response is greatly appreciated


Ganjar Kurniawan
Energy and Environment Material Laboratory
Bandung Institute of Technology
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