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Issue 6, 2011
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Direct study of the f-electron configuration in lanthanide systems

Kristina O. Kvashnina,*a   Sergei M. Butorinb  and  Pieter Glatzel*a  
Author affiliations

* Corresponding authors

a European Synchrotron Radiation Facility, BP 220, 6 rue Horowitz, Grenoble, France
E-mail: kristina.kvashnina@esrf.fr, pieter.glatzel@esrf.fr
Fax: +33(0)476882784
Tel: +33(0)476882898

b Department of Physics and Astronomy, Uppsala University, Box 516, Uppsala, Sweden
E-mail: sergei.butorin@fysik.uu.se
Fax: +46(0)184713521
Tel: +46(0)184713553

Abstract

The valence shell electron configurations within a few electron volts above the Fermi level in cerium, ytterbium, europium and samarium compounds were probed by resonant X-ray emission spectroscopy (RXES) at the L3 absorption pre-edge. The rare earth systems show distinct spectral signatures depending on the f-electron configuration. The high energy resolution experimental results reported here are well reproduced by atomic multiplet calculations confirming the localized character of the 4f electrons. The magnitude of the electron–electron interactions within the 4f shell and between 3d and 4f electrons is analyzed. The present technique is a powerful tool for the study of the 4f valence electron configuration that, unlike L3 absorption spectroscopy at the main edge, is little influenced by valence electron relaxation following core hole creation.

Graphical abstract: Direct study of the f-electron configuration in lanthanide systems

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Article information

https://doi.org/10.1039/C0JA00142B
Submitted
02 Sep 2010
Accepted
27 Jan 2011
First published
22 Feb 2011
J. Anal. At. Spectrom., 2011,26, 1265-1272
Article type
Paper
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Direct study of the f-electron configuration in lanthanide systems

K. O. Kvashnina, S. M. Butorin and P. Glatzel, J. Anal. At. Spectrom., 2011, 26, 1265
DOI: 10.1039/C0JA00142B

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