The Valence State Analysis of Ti in FeTiO3 by Soft X-Ray Spectroscopy

被引：0
|
作者：
Sei Fukushima
Takashi Kimura
Kenji Nishida
Vlaicu A. Mihai
Hideki Yoshikawa
Masahiro Kimura
Tatsuo Fujii
Hirofumi Oohashi
Yoshiaki Ito
Michiru Yamashita
机构：
[1] Materials Analysis Station,Department of Applied Chemistry
[2] National Institute for Materials Science,The Institute for Chemical Research
[3] Harima Office,undefined
[4] National Institute for Materials Science,undefined
[5] BL15XU,undefined
[6] Spring-8,undefined
[7] Kohto 1-1-1,undefined
[8] Sayo-cho,undefined
[9] Okayama University,undefined
[10] Kyoto University,undefined
[11] Gokashyo,undefined
[12] Hyogo Prefectural Institute of Industrial Research 3-1-12,undefined
[13] Yukihira-cho,undefined
[14] Suma-ku,undefined
来源：
Microchimica Acta | 2006年 / 155卷
关键词：
Key words: WD-EPMA with field emission type electron gun; high-resolution X-ray fluorescence spectroscopy; valence state analysis; valence state of Ti; ilmenite.;
D O I：
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学科分类号：
摘要：
The measurement of soft X-ray spectra, Ti Kα1,2, Lα1,2 and O Kα, of Ti in several titanium oxide compounds was carried out by FE-WD-EPMA (wavelength dispersive – electron probe micro-analyzer with field emission type electron gun) and HRXRF (high-resolution X-ray fluorescence spectroscopy). From the results of measurements, it was found that the valence state of Ti in FeTiO3 (ilmenite) was at least partially TiIII, might be the mixed state of TiIV and TiIII. And, Ti in MgTiO3 (ilmenite system) was confirmed as TiIV. From the discussion, it can be presumed that the effective charge of the oxygen should be not-uniform and should be different subtlety by the cationic difference, Fe or Mg, even if it had equal crystal structure of the ilmenite system, and that this subtlety difference gave any effects on the valence state of Ti.
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页码：141 / 145
页数：4
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