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Raman scattering investigations in Pr x Y 1− x Al 3 (BO 3 ) 4 single crystals
Author(s) -
Xia H. R.,
Li L. X.,
Wang J. Y.,
Yu W. T.,
Yang P.
Publication year - 1999
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/(sici)1097-4555(199907)30:7<557::aid-jrs418>3.0.co;2-y
Subject(s) - raman spectroscopy , ion , raman scattering , chemistry , lattice vibration , lattice (music) , vibration , doping , molecular vibration , rigidity (electromagnetism) , crystal (programming language) , crystal structure , vibrational spectrum , crystallography , molecular physics , analytical chemistry (journal) , materials science , optics , condensed matter physics , physics , phonon , optoelectronics , organic chemistry , quantum mechanics , computer science , acoustics , composite material , programming language
The crystal growth, structure and Raman spectra of the Pr x Y 1− x Al 3 (BO 3 ) 4 (PYAB) single crystals are introduced. The experiments show that the characteristic lattice vibrational spectrum of the PYAB arises mainly from the internal vibrations of the BO 3 and AlO 6 groups, and that the rigidity of the lattice is mainly ascribed to the vibrations of B—O and Al—O bonds. For the Pr/YO 6 groups, there is no O 2− ion that is independent of the BO 3 and AlO 6 groups, and no new internal vibrational mode arises. Hence the characteristic lattice vibrational spectrum is not affected by the rare earth ions doped in the PYAB, and the ions can affect the external vibrations of the BO 3 and AlO 6 groups and improve the structural and optical quality of the crystals. Copyright © 1999 John Wiley & Sons, Ltd.