Character of $5f$ states in the Pu-Am system from magnetic susceptibility, electrical resistivity, and photoelectron spectroscopy measurements - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Physical Review B: Condensed Matter and Materials Physics (1998-2015) Année : 2007

Character of $5f$ states in the Pu-Am system from magnetic susceptibility, electrical resistivity, and photoelectron spectroscopy measurements

Résumé

Alloying Pu with Am stabilizes the fcc structure of $\delta$−Pu for all temperatures and expands the lattice. $\delta$-Pu is assumed close to the borderline of $5f$ localization. It is a nonmagnetic strongly correlated system, which should be sensitive to doping or lattice expansion. However, magnetic susceptibility, electrical resistivity, and photoelectron spectroscopy studies performed for the Pu-rich part (from 5 to 43 % Am) of the Pu-Am phase diagram indicate that the character of the $5f$ states does not vary with the Am doping. These findings are discussed within the present debate about the electronic structure of plutonium.
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hal-02863634 , version 1 (10-06-2020)

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N. Baclet, M. Dormeval, L. Havela, J.-M. Fournier, C. Valot, et al.. Character of $5f$ states in the Pu-Am system from magnetic susceptibility, electrical resistivity, and photoelectron spectroscopy measurements. Physical Review B: Condensed Matter and Materials Physics (1998-2015), 2007, 75 (3), pp.035101. ⟨10.1103/PhysRevB.75.035101⟩. ⟨hal-02863634⟩

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