Tetrahedral Ti4+in the Solid Solution Ba2Ti1+xSi2−xO8(0 ≤x≤ 0.14)
1996; Elsevier BV; Volume: 126; Issue: 1 Linguagem: Inglês
10.1006/jssc.1996.0317
ISSN1095-726X
AutoresAlison M. Coats, Naohiro Hirose, James M. Marr, Anthony R. West,
Tópico(s)Zeolite Catalysis and Synthesis
ResumoA previously unreported solid solution based on fresnoite, Ba2TiSi2O8, has been found in the BaO:TiO2:SiO2system. It forms by partial replacement of Si by Ti and has the formula Ba2Ti1+xSi2−xO8(0 ≤$sm≤x≤ 0.14). Infrared spectra confirm that the excess Ti is tetrahedrally coordinated.
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