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Spectroscopic and structural studies of the hexagonal perovskite Ba2CoTeO6

✍ Scribed by M. Liegeois-Duyckaerts

Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
435 KB
Volume
41
Category
Article
ISSN
1386-1425

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✦ Synopsis

In a previous study of the hexagonal 12-layer perovskites Ba,B*rTeO, with Bt* = Ni and Zn, we observed a somewhat different X-ray powder diagram and infrared (ir.) spectrum for the cobalt compound.

In the present paper, we point out how vibrational spectroscopy and X-ray powder diffraction can be used to propose an ordered hexagonal six-layer perovskite structure for BarCoTeO,.

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Ba 4 M 3 LiO 12 (M Ο­ Ta, Nb) (4), Ba 5 W 3 Li 2 O 12 (5) or by The new complex perovskite-like oxide Ba 8 Ta 6 NiO 24 was cations and vacancies. The simplest example of a fully synthesized and its crystal structure was studied using X-ray ordered distribution of high charged cations and vacancies po