M.A. Lutz, R.M. Feenstra, et al.
Surface Science
We have implemented the so-called local density approximation (LDA) plus the Hubbard parameter U method (LDA+U), in a formalism based on the projector augmented wave (PAW) method and calculated the ground-state properties of NiO and its optical properties. Good agreement with the measured ground-state antiferromagnetic magnetic moment and optical properties are obtained for U = 5 eV. The enhancement of the O 2p near the top of the valence states increases with the value of U. At intermediate U, the nature of the band gap is a mixture of charge transfer and Ni d → d excitations. © 2000 Elsevier Science B.V. All rights reserved.
M.A. Lutz, R.M. Feenstra, et al.
Surface Science
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MRS Fall Meeting 2020
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