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Raman Scattering Study of K3H(SO4)2 and K3D(SO4)2 Single Crystals
- Raman scattering from single crystals of K 3 H(SO 4 ) 2 and its deuterated analogues has been observed at 295 and 45 K. The spectra do not depend on the scattering geometries. Scarcely any effect of deuteration on frequencies was noted for most of the Raman lines. The Raman lines of the internal modes split into two peaks in the ordered phase of DKHS. The splitting is attributed to the ordering of deuterons.