XPS study of vanadium-yttrium hydrates

被引：36
|
作者：
Bondarenka, V
Grebinskij, S
Kaciulis, S
Mattogno, G
Mickevicius, S
Tvardauskas, H
Volkov, V
Zakharova, G
机构：
[1] Inst Semicond Phys, LT-2600 Vilnius, Lithuania
[2] CNR, Inst Mat Chem, I-00016 Monterotondo, Italy
[3] Inst Solid State Chem, RUS-620219 Ekaterinburg, Russia
来源：
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2001年 / 120卷 / 1-3期
关键词：
xerogel; XPS; vanadium-yttrium hydrate;
D O I：
10.1016/S0368-2048(01)00312-7
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
X-ray photoelectron spectroscopy was used to study the chemical composition and valence states of the metal ions in vanadium-yttrium. hydrate. The binding energies, FWHM and shape of the main XPS peaks were analyzed. The concentration ratio of tetra- and pentavalent vanadium ions C=V4+ /(V4+ +V5+), which is an important parameter, deciding the electronic part of total conductivity, was determined before (C=0.14) and after heating at 720 K (C=0.28). (C) 2001 Elsevier Science BY All rights reserved.
引用
收藏
页码：131 / 135
页数：5
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