X-ray diffraction and IR spectroscopic characterization of AgLn IIITiO4 oxides related to the K2NiF4 structural type

Ternary oxides of the type AgLnIIITiO4 (with Ln = La, Nd, Sm, Eu, Gd, Dy, Y) have been prepared and their unit cell parameters determined by X-ray powder diffractometry. They are related to the K 2NiF4 structural type, with the AgI and Ln III cations distributed in an ordered way on the K-sub lattic...

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Detalles Bibliográficos
Autores principales: Lavat, Araceli Elisabet, Barán, Enrique José
Formato: Articulo
Lenguaje:Inglés
Publicado: 2006
Materias:
Química
Indexing
IR spectroscopy
K2NiF4 structure
Mixed-oxides
X-ray diffraction
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/83242
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
Descripción
Sumario:Ternary oxides of the type AgLnIIITiO4 (with Ln = La, Nd, Sm, Eu, Gd, Dy, Y) have been prepared and their unit cell parameters determined by X-ray powder diffractometry. They are related to the K 2NiF4 structural type, with the AgI and Ln III cations distributed in an ordered way on the K-sub lattice. The infrared spectra of these materials were recorded and discussed on the basis of their structural peculiarities and by comparison with those of related oxides. They show a close relationship with the parent NaLnIIITiO4 materials.

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