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5f Electronic Structure and Fermiology of Pu Materials

Published online by Cambridge University Press:  01 February 2011

John J. Joyce
Affiliation:
jjoyce@lanl.gov, Los Alamos National Laboratory, Los Alamos, New Mexico, United States
Tomasz Durakiewicz
Affiliation:
tomasz@lanl.gov, Los Alamos National Laboratory, Los Alamos, New Mexico, United States
Kevin S. Graham
Affiliation:
kgraham@lanl.gov, Los Alamos National Laboratory, Los Alamos, United States
Eric Bauer
Affiliation:
edbauer@lanl.gov, Los Alamos National Laboratory, Los Alamos,, New Mexico, United States
David P. Moore
Affiliation:
dmoore@lanl.gov, Los Alamos National Laboratory, Los Alamos,, New Mexico, United States
Jeremy N. Mitchell
Affiliation:
jeremy@lanl.gov, Los Alamos National Laboratory, United States
John A. Kennison
Affiliation:
jkennison@lanl.gov, Los Alamos National Laboratory, Los Alamos,, New Mexico, United States
T Mark McCleskey
Affiliation:
tmark@lanl.gov
Quanxi Jia
Affiliation:
qxjia@lanl.gov
Anthony Burrell
Affiliation:
Burrell@LANL.GOV, United States
Eve Bauer
Affiliation:
ebauer@lanl.gov, Los Alamos National Laboratory, Los Alamos,, New Mexico, United States
Richard L. Martin
Affiliation:
rlmartin@lanl.gov, Los Alamos National Laboratory, Los Alamos,, New Mexico, United States
Lindsay Roy
Affiliation:
lindsay@lanl.gov, Savanna River National Laboratory, Aiken, South Carolina, United States
Gustavo E. Scuseria
Affiliation:
guscus@rice.edu, Rice University, Houston, Texas, United States
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Abstract

We examine the electronic structure of δ-Pu, PuCoGa5, and PuO2 using high resolution as well as angle-resolved photoelectron spectroscopy. The fermiology of the strongly correlated metals δ-Pu and PuCoGa5 is investigated by determining the primary quasiparticle peak position with respect to the Fermi energy as well as the crystal momentum dependence of this peak for PuCoGa5. For the Mott insulator PuO2, the photoemission results are compared against the hybrid functional calculations and the prediction of significant covalency, is found to be reasonable.

Type
Research Article
Copyright
Copyright © Materials Research Society 2010

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References

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