XPS study of vanadium-yttrium hydrates

被引：37

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.

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收藏

页码：131 / 135

页数：5

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