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The symmetry of phonon spectra in crystals with sublattices

โœ Scribed by A. S. Poplavnoi


Publisher
Springer
Year
2008
Tongue
English
Weight
447 KB
Volume
51
Category
Article
ISSN
1573-9228

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Two-Phonon Processes in Crystals of D Sy
โœ D. M. Bercha; G. D. Puga; A. N. Borets ๐Ÿ“‚ Article ๐Ÿ“… 1973 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 432 KB

## Abstract It is established that the absorption in the intermediate infraโ€red region in BiOI, BiOBr, and BiOCl has twoโ€phonon character. Groupโ€theoretical investigations of the phonon spectrum and twoโ€phonon infraโ€red absorption and Raman scattering for these crystals are Carried out. The selecti