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A Study of the Disorder in Heavily Doped Ba 1– x La x F 2+ x by Raman Scattering
Author(s) -
Kolesík M.,
Tunega D.,
Sobolev B. P.
Publication year - 1990
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.2221600137
Subject(s) - raman spectroscopy , raman scattering , solid solution , doping , spectral line , fracton , scattering , materials science , x ray raman scattering , crystallography , analytical chemistry (journal) , chemistry , physics , condensed matter physics , optics , mathematical analysis , mathematics , fractal , chromatography , metallurgy , astronomy
The Raman spectra of the Ba 1– x La x F 2+ x solid solutions (0.005 ≦ x ≦ 0.31) are presented. The low‐frequency scattering is studied in some detail. The spectra indicate that no large clusters are present in solid solutions studied. A cross‐over which can be interpreted in terms of the fracton model is observed.