Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2006-02-07
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages
Scientific paper
10.1103/PhysRevLett.96.237403
We report on the most complete investigation to date of the 4f-electron properties at the gamma-alpha transition in elemental Ce by resonant inelastic x-ray scattering (RIXS). The Ce 2p3d-RIXS spectra were measured directly in the bulk material as a function of pressure through the transition. The spectra were simulated within the Anderson impurity model. The occupation number nf was derived from the calculations in both gamma- and alpha-phases in the ground state along with the f doubleoccupancy. We find that the electronic structure changes result mainly from band formation of 4f electrons which concurs with reduced electron correlation and increased Kondo screening at high pressure.
Delaunay R.
Hague Coryn F.
Itié Jean Paul
Jaouen N.
Kappler Jean-Paul
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