Charge transfer satellite in Pr@ C82 metallofullerene observed using resonant x-ray emission spectroscopy

H. Yamaoka, H. Sugiyama, Yoshihiro Kubozono, A. Kotani, R. Nouchi, A. M. Vlaicu, H. Oohashi, T. Tochio, Y. Ito, H. Yoshikawa

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Resonant x-ray emission spectroscopy (RXES) was performed on the metallofullerene Pr@ C82 at the Pr L3 absorption edge. We verify not only nearly three-electron charge transfers from the metal to the cage but also back-electron transfer observed as a charge transfer satellite. The results are compared to theoretical calculations with a single-impurity Anderson model. Theory shows that the electronic structure of endohedral atom in the cage is atomiclike. The satellite structure originates from the charge transfer, i.e., dynamical screening effect, induced by the core-hole potential in the final state rather than from the valence fluctuation of the rare-earth metal in the ground state. We also performed the RXES measurement of Pr 2 O3 for comparison.

Original languageEnglish
Article number205403
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume80
Issue number20
DOIs
Publication statusPublished - Nov 4 2009

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Emission spectroscopy
Charge transfer
charge transfer
Satellites
X rays
Rare Earth Metals
spectroscopy
x rays
Electrons
Metals
metals
Ground state
Rare earths
Electronic structure
Screening
electron transfer
screening
rare earth elements
Impurities
electronic structure

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Electronic, Optical and Magnetic Materials

Cite this

Charge transfer satellite in Pr@ C82 metallofullerene observed using resonant x-ray emission spectroscopy. / Yamaoka, H.; Sugiyama, H.; Kubozono, Yoshihiro; Kotani, A.; Nouchi, R.; Vlaicu, A. M.; Oohashi, H.; Tochio, T.; Ito, Y.; Yoshikawa, H.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 80, No. 20, 205403, 04.11.2009.

Research output: Contribution to journalArticle

Yamaoka, H. ; Sugiyama, H. ; Kubozono, Yoshihiro ; Kotani, A. ; Nouchi, R. ; Vlaicu, A. M. ; Oohashi, H. ; Tochio, T. ; Ito, Y. ; Yoshikawa, H. / Charge transfer satellite in Pr@ C82 metallofullerene observed using resonant x-ray emission spectroscopy. In: Physical Review B - Condensed Matter and Materials Physics. 2009 ; Vol. 80, No. 20.
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AU - Sugiyama, H.

AU - Kubozono, Yoshihiro

AU - Kotani, A.

AU - Nouchi, R.

AU - Vlaicu, A. M.

AU - Oohashi, H.

AU - Tochio, T.

AU - Ito, Y.

AU - Yoshikawa, H.

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