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Hubbard U value on LaAlO3/SrTiO3 interface [closed]

I want to do a GGA+U calculation on the LaAlO3/SrTiO3 heterostructure to study the 2DEG formed at the interface. In all the references I came across they used U around 4eV-6eV on Ti 3d orbitals, I'm ...
ashutosh anand's user avatar