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ChemInform Abstract: Ce2Ti2SiO9 — The First Titanate-Silicate with Cerium — Preparation, Characterization, and Structure.

✍ Scribed by Lars-Peter Zenser; Matthias Weil; Reginald Gruehn

Publisher
John Wiley and Sons
Year
2010
Weight
32 KB
Volume
30
Category
Article
ISSN
0931-7597

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✦ Synopsis

Ce 2 Ti 2 SiO 9 -The First Titanate-Silicate with Cerium -Preparation, Characterization, and Structure.

-Single crystals of the title compound are prepared by chemical vapor transport reaction using Ce 2 Ti 2 O 7 as precursor and NH 4 Cl as transport agent (temp. gradient 1050→900 • C, quartz tube, wall reaction). Ce 2 Ti 2 SiO 9 crystallizes in the monoclinic space group C2/m with Z = 4. The structure contains chains of edge-sharing TiO 6 octahedra which are interconnected via Ti 2 O 10 double octahedra and SiO 4 tetrahedra.

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