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Spectroscopy of Ca4GdO(BO3)3 (GdCOB): Pr3+ single crystals

✍ Scribed by M.G. Brik; A. Majchrowski; I.V. Kityk; T. Łukasiewicz; M. Piasecki

Book ID
116603130
Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
765 KB
Volume
465
Category
Article
ISSN
0925-8388

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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

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## 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–T