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State-dependent fluorescence yields through the core-valence Coulomb exchange parameter

  • Total and partial fluorescence yield (PFY) L-edge x-ray absorption spectra differ from the transmission x-ray absorption spectra (XAS) through state-dependent fluorescence yield across the XAS. For 3d(1) to 3d(9) in octahedral symmetry we apply simulations of PFY and XAS and show how the atomic 2p3d Coulomb exchange parameter G(pd) governs the differences in the L-3/(L-2 + L-3) branching ratio between PFY and XAS. G(pd) orders the XAS final states following Hund's rules creating a strong state-dependent fluorescence decay strength variation across the XAS leading to the differences between PFY and XAS.

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Author:Piter S. Miedema, Philippe Wernet, Alexander FöhlischORCiDGND
ISSN:1050-2947 (print)
ISSN:1094-1622 (online)
Parent Title (English):Physical review : A, Atomic, molecular, and optical physics
Publisher:American Physical Society
Place of publication:College Park
Document Type:Article
Year of first Publication:2014
Year of Completion:2014
Release Date:2017/03/27
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Peer Review:Referiert