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 1050β900 β’ C, quartz tube,
Preparation and Structure of Cerium Titanates Ce2TiO5, Ce2TiO7, and Ce4Ti9O24
β Scribed by Andreas Preuss; Reginald Gruehn
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- English
- Weight
- 284 KB
- Volume
- 110
- Category
- Article
- ISSN
- 0022-4596
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π SIMILAR VOLUMES
As a Γrst stage, the electronic (350-900 nm), infrared and Raman (700-10 cm-1) spectra of polycrystalline samples of the oxysulΓde compound were investigated and tentative vibrational assignments are pro-Ce 2.0 O 2.5 S posed from a comparison with the simpler parent compound. Great changes in the vi
C 2 O 4 ) 2 ΠΈ H 2 O with Ln Ο La, . . ., Gd, M Ο Li, n Ο 1, and Two new families of lanthanide complexes associating the M Ο Na, n Ο 2, may be prepared by pseudo-hydrothermal ligands oxalate and carbonate or oxalate and formate have synthesis around 150Π-200ΠC for 3 days (8). ## been prepared under