transition metal oxide GGA and HSE06, +U or not

[terencelz]

Hello,

(This is not a question of whether to use HSE06 and +U together.)

I wonder if one needs to use the +U term in the first step to determine the cell parameters of the transition metal oxide, and then use HSE06 without +U to get the band gap values or optical properties. Does it have any advantage, or otherwise?

Thanks,
Terence

[support_vasp]

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