Spectroscopic properties of KGd(WO4)2: (
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D. Kasprowicz; M. Drozdowski; A. Majchrowski; E. Michalski
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Article
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2007
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Elsevier Science
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English
β 136 KB
The study of KGW: (Er, Yb) was performed for the acoustic phonons [1 0 0], [0 0 1], [Γ1 0 1], [1 0 1], [1 1 0] and [0 1 1]. In some Brillouin spectra obtained at room temperature we observed additional modes connected with mixed polarization modes propagating as quasilongitudinal or quasi-transverse