L3-edge X-ray spectroscopy of rhodium and palladium compounds

Autor:	Hugo Alexander Suarez Orduz, Luca Bugarin, Sarina-Lena Heck, Paolo Dolcet, Maria Casapu, Jan-Dierk Grunwaldt, Pieter Glatzel
Jazyk:	angličtina
Rok vydání:	2024
Předmět:	herfd-xanes valence orbitals 4d transition metal electronic structure tender x-rays Nuclear and particle physics. Atomic energy. Radioactivity QC770-798 Crystallography QD901-999
Zdroj:	Journal of Synchrotron Radiation, Vol 31, Iss 4, Pp 733-740 (2024)
Druh dokumentu:	article
ISSN:	1600-5775 16005775
DOI:	10.1107/S1600577524004673
Popis:	L3-edge high-energy-resolution fluorescence-detection X-ray absorption near-edge structure (XANES) spectra for palladium and rhodium compounds are presented, with focus on their electronic structures. The data are compared with transmission XANES spectra recorded at the K-edge. A correlation between the absorption edge energy and the metal ion oxidation state is not observed. Despite the different filling of the 4d orbitals and different local coordination, the Rh and Pd compounds show remarkably similar spectral shapes. Calculation of the density of states and of the L3-XANES data reproduce the experimental results.
Databáze:	Directory of Open Access Journals
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