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The aim of presented first principles study of La_{0.5}Bi_{0.5}NiO₃ is to investigate electronic structure of orthorhombic phase Pbnm. The calculations show that metallicity and magnetism of the system are strongly related with hybridization between Ni 3d and O 2p. To improve the quality of the electronic structure description of the system, especially the treatment of correlation for the Ni 3d, we...
The electronic structure of four cubic perovskites were calculated by using density functional theory. For electronic structure calculations standard generalized gradient approximation and semilocal Tran-Blaha modified Becke-Johnson potential were used. Nonlocal hybrid Heyd-Scuseria-Ernzerhof functional was used to obtain lattice constants and bulk moduli. Standard generalized gradient approximation...
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