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Vibrational spectra of tetrametagermanates of the type Ln2CuGe4O12 (Ln=lanthanide or Y)

✍ Scribed by Enrique J. Baran; Claudia C. Wagner; Araceli E. Lavat; Concepción Cascales

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
251 KB
Volume
28
Category
Article
ISSN
0377-0486

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✦ Synopsis

The infrared and Raman spectra of a series of tetrametagermanates of composition (with Ln 2 CuGe 4 O 12 Ln = Eu-Lu and Y), containing a ring, were recorded and assigned on the basis of their structural Ge 4 O 12 8characteristics. Force constants and mean amplitudes of vibration for the terminal groups were also esti-GeO 2 mated.

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