Oxidation state of uranium: an XPS study of alkali and alkaline earth uranates

被引：66
|
作者：
Bera, S [1 ]
Sali, SK
Sampath, S
Narasimhan, SV
Venugopal, V
机构：
[1] BARC Facil, Water & Steam Chem Lab, Kalpakkam 603102, Tamil Nadu, India
[2] Bhabha Atom Res Ctr, Div Fuel Chem, Bombay 400085, Maharashtra, India
来源：
JOURNAL OF NUCLEAR MATERIALS | 1998年 / 255卷 / 01期
关键词：
D O I：
10.1016/S0022-3115(98)00012-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
X-ray photoelectron spectroscopy (XPS) studies are performed on some mixed oxides of uranium with alkali and alkaline earth metals (Na, Li, Rb, Tl, Sr, Ba) to investigate the presence of multiple valence states of uranium in these compounds. Photoelectron peak positions, peal; widths and satellite positions were measured to identify the chemical states. The analysis of the shake up satellites and the deconvolution of the principal peaks are used to quantify the chemical states. The domination of U(V) chemical state is inferred in Na2U3O9 and Sr2U3O10. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：26 / 33
页数：8
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