The Ti K valence band emission spectra (VBXES) and the Ti K near edge absorption spectra (XANES) of some polycrystalline titanium oxides and perovskites, including also the polytitanate Ba2Ti9O20, are investigated. Characteristic relations between the spectra and the structure and composition of the materials are found. They can be used for fundamental research of the electronic structure but also for analytical applications at working with these compounds which are basic materials for ferroelectric and semiconducting ceramics.
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Schulz et al. (1989) studied this question.
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