Rare‐earth titanates and stannates of pyrochlore structure; vibrational spectra and force fields | Zendy

Vandenborre M. T. | Zendy; Husson E. | Zendy; Chatry J. P. | Zendy; Michel D. | Zendy

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Rare‐earth titanates and stannates of pyrochlore structure; vibrational spectra and force fields

Author(s) -

Vandenborre M. T.,

Husson E.,

Chatry J. P.,

Michel D.

Publication year - 1983

Publication title -

journal of raman spectroscopy

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.748

H-Index - 110

eISSN - 1097-4555

pISSN - 0377-0486

DOI - 10.1002/jrs.1250140202

Subject(s) - pyrochlore , raman spectroscopy , valence (chemistry) , spectral line , materials science , rare earth , absorption spectroscopy , crystallography , analytical chemistry (journal) , chemistry , mineralogy , physics , optics , organic chemistry , chromatography , astronomy , phase (matter)

Infrared absorption and polarized Raman spectra of rare‐earth titanates of pyrochlore structure Ln 2 Ti 2 O 7 (Ln = Sm, Gd, Yb; Y) and Ln 2 Sn 2 O 7 (Ln = La, Sm, Gd, Yb, Lu; Y) have been recorded. A valence force field calculation clearly supports the assignment of the frequencies. A comparison of the results with those of homologous zirconates and hafnates is presented.

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