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Elastic properties of KGd(WO4)2:Ho3+ single crystals studied by Brillouin spectroscopy

โœ Scribed by D. Kasprowicz; S. Mielcarek; A. Trzaskowska; A. Majchrowski; E. Michalski; M. Drozdowski

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
339 KB
Volume
42
Category
Article
ISSN
0232-1300

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โœฆ Synopsis

The analysis some of the acoustic phonons propagating in pure and Ho 3+ -doped KGd(WO 4 ) 2 single crystals in the GHz frequency range by Brillouin scattering method has been presented. For investigated crystals the velocities of the longitudinal and transverse acoustic phonons [100], [010], [001], [101], [101] and [110] have been determined. Moreover, the value of elastic constants C 22 , C 44 and C 66 of pure and Ho 3+ -doped KGd(WO 4 ) 2 single crystals have been estimated. It was revealed that the presence of the Ho 3+ -ions in KGd(WO 4 ) 2 crystals, for the used doping concentration 1 at% and 8 at%, does not influence their elastic properties.

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