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  4. Comparison of bulk-sensitive spectroscopic probes of Yb valence in Kondo systems
 
research article

Comparison of bulk-sensitive spectroscopic probes of Yb valence in Kondo systems

Moreschini, L.  
•
Dallera, C.
•
Joyce, J. J.
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2007
Physical Review B

We exploited complementary synchrotron radiation spectroscopies to study the Yb 4f electronic configuration in three representative intermediate-valence materials: YbAl3, YbInCu4, and YbCu2Si2. High-resolution x-ray absorption (PFY-XAS), resonant inelastic x-ray scattering (RIXS), and hard-x-ray photoemission (HAXPES) data all show characteristic temperature-dependent changes of the Yb valence. For each material, the increments measured from low (20 K) to high (300 K) temperature by the different probes are quite similar. The estimated RIXS and XAS valences are consistently higher than the HAXPES values. We briefly discuss the possible origin of this discrepancy.

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Type
research article
DOI
10.1103/PhysRevB.75.035113
Web of Science ID

WOS:000243895400046

Author(s)
Moreschini, L.  
Dallera, C.
Joyce, J. J.
Sarrao, J. L.
Bauer, E. D.
Fritsch, V.
Bobev, S.
Carpene, E.
Huotari, S.
Vanko, G.
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Date Issued

2007

Published in
Physical Review B
Volume

75

Article Number

035113

Subjects

X-Ray-Absorption

•

Temperature-Dependence

•

Electronic-Structure

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Photoelectron-Spectroscopy

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Phase-Transition

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Impurity Model

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Photoemission

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Ce

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Ybin1-Xagxcu4

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Resonance

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSE  
Available on Infoscience
April 1, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/49117
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