THE XPS STUDY OF THE STRUCTURE OF URANIUM-CONTAINING CERAMICS

被引：4
|
作者：
Teterin, Anton Yu. [1 ]
Maslakov, Konstantin I. [1 ]
Teterin, Yury A. [1 ]
Ivanov, Kirill E. [1 ]
Livshits, Tatyana S. [2 ]
Yudintsev, Sergei V. [2 ]
Stefanovsky, Sergei V. [3 ]
Lapina, Mariya I. [2 ]
机构：
[1] Russian Res Ctr, Kurchatov Inst, Moscow, Russia
[2] RAS, Inst Geol & Ore Deposit, Moscow 117901, Russia
[3] Moscow NPO Radon, Moscow, Russia
来源：
NUCLEAR TECHNOLOGY & RADIATION PROTECTION | 2010年 / 25卷 / 02期
关键词：
X-ray photoelectron spectroscopy; scanning electron microscopy; outer (OVMO) and inner (IVMO) valence molecular orbitals; pyrochlore; radioactive waste disposal; X-RAY PHOTOELECTRON; THORIUM; CA; SR; BA;
D O I：
10.2298/NTRP1002107T
中图分类号：
TL [原子能技术]; O571 [原子核物理学];
学科分类号：
0827 ; 082701 ;
摘要：
The samples of the (Ca(0.5)GdU(0.5))Zr(2)O(7) and (Ca(0.5)GdU(0.5))(ZrTi)O(7) ceramics with the fluorite and pyrochlore structures used as matrixes for the long-lived high-level radioactive waste disposal were studied with the X-ray photoelectron spectroscopy method. On the basis of the X-ray photoelectron spectroscopy parameters of the outer and core electrons from the binding energy range of 0-1250 eV the oxidation states of the included metal ions were determined, the quantitative elemental and ionic analysis was done, and the orderliness (monophaseness) was evaluated. The obtained data agree with the X-ray diffraction and the scanning electron microscopy results.
引用
收藏
页码：107 / 113
页数：7
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