Chemical Analysis of Ternary Ti Oxides using Soft X-ray Absorption Spectroscopy

✍ Scribed by Soriano, L.; Abbate, M.; Fern�ndez, A.; Gonz�lez-Elipe, A. R.; Sanz, J. M.

• Publisher: John Wiley and Sons
• Year: 1997
• Tongue: English
• Weight: 310 KB
• Volume: 25
• Category: Article
• ISSN: 0142-2421
• DOI: 10.1002/(sici)1096-9918(199709)25:10<804::aid-sia303>3.0.co;2-3

✦ Synopsis

We measured the O 1s and Ti 2p X-Ray Absorption Spectroscopy (XAS) spectra of a series of ternary Ti oxides. The spectra of are compared to those of and the physical mixture The spectra reÑect A1 2 TiO 5 TiO 2 TiO 2 -Al 2 O 3 . important di †erences in the electronic structure caused by changes in the chemical bonding. It is also shown that XAS can be used to distinguish a true compound like from a stoichiometric mixture like Al 2 TiO 5 TiO 2 -Al 2 O 3 . The di †erences in the spectra of and are discussed in terms of the di †erent NiTiO 3 , SrTiO 3 , BaTiO 3 PbTiO 3 chemical environment and the local coordination.