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Lattice dynamics of Ca4GdO(BO3)3

✍ Scribed by M. Ma̧czka; J. Hanuza; A. Paja̧czkowska; Y. Morioka; J. H. van der Maas

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
318 KB
Volume
35
Category
Article
ISSN
0377-0486

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✦ Synopsis

Abstract

Polarized Raman and IR spectra were obtained for Ca~4~GdO(BO~3~)~3~ crystal at ambient temperature. The assignment of the observed bands to the respective internal and external phonons is proposed on the basis of lattice dynamics calculations. This study also shows that significant LO–TO splitting exists for some internal modes. Copyright © 2004 John Wiley & Sons, Ltd.

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Polarized Raman spectra of the non-linea
Polarized Raman spectra of the non-linear and laser crystal Ca4GdO(BO3)3 (GdCOB)
✍ A. Lorriaux-Rubbens; G. Aka; E. Antic-Fidancev; D. A. Keszler; F. Wallart 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 96 KB 👁 1 views

A crystal of the non-linear and laser matrix Ca 4 GdO(BO 3 ) 3 (GdCOB) was grown by the Czochralski technique and polarized Raman scattering spectra were measured along its crystallophysic optical axes. A vibrational assignment is proposed in correlation with the two crystallographic types of (BO 3