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Metal-Insulator Transition of Plutonium Hydrides: DFT + U Calculations in the FPLAPW Basis

         

摘要

We report on the first-principles calculations of the electronic structure of face-centered cubic PuH_(2) and hexagonal PuH_(3 )combining the full potential linearized augmented plane-wave basis with the density functional theory plus a Hubbard parameter U for considering the strong Coulomb correlation between localized Pu 5f electrons.Most importantly,the findings provide evidence for the first time that a spectacular metal-insulator transition occurs on the phase transformation from PuH_(2) to PuH_(3).

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