Fig. 4. (Color online) Electronic band structure calculated by using LDA, PBE, vdW-DF, revPBE, vdW-DF2, and RPBE. The valence band maximum was set to 0 eV.

New Phys.: Sae Mulli 2022;72:336~341 https://doi.org/10.3938/NPSM.72.336

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