Analysis of the uranium L3-edge X-ray absorption spectra of some actinides

被引：3

作者：

Sukharina, G. B. ^{[1
]}

Soldatov, A. V. ^{[1
]}

Batuk, O. N. ^{[2
]}

Denecke, Melissa A. ^{[3
]}

机构：

[1] So Fed Univ, Rostov Na Donu 344090, Russia

[2] Moscow MV Lomonosov State Univ, Moscow, Russia

[3] Forschungszentrum Karlsruhe, Inst Nukl Entsorgung, D-76021 Karlsruhe, Germany

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 603卷 / 1-2期

关键词：

Actinides; X-ray absorption; XANES; Muffin-tin approximation;

D O I：

10.1016/j.nima.2008.12.174

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The study of a group of minerals including schoepite (UO2)(8)O-2(OH)(12)(H2O)(12) and metaschoepite (UO2)(4)O(OH)(6)(H2O)(5) on the basis of theoretical analysis of U L-3-edge XANES spectra was carried out. The experimental U L-3-edge X-ray absorption spectra of schoepite were measured in the synchrotron centre "ANKA" (of Karlsruhe, Germany). The theoretical analysis of the experimental data was made by full multiple-scattering method and finite differences method. (FEFF8.4 and FDMNES 2007 codes). The influence of non-muffin-tin effects on the shape of U L-3-XANES spectra of the compounds described above has been investigated. And it was shown that non-muffin-tin effects influenced on the energy position of the U L-3-edge XANES. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：125 / 127

页数：3

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