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Publication
Solid State Communications
Paper
Raman spectroscopy of intercalated layered structure compounds
Abstract
The Raman spectra of intercalated 1TTaS2 and 2HTaSe2 have been measured for the first time. Normal symmetry allowed optic phonons and charge density wave induced modes are observed in both systems. The spectra of the ethylenediamine intercalated compounds are qualitatively similar to those of the pure materials with small quantitative shifts in frequency and changes in the relative intensities of the CDW induced modes. The qualitative similarities in the spectra of the pure and the intercalated compounds reflect the two dimensional character of these materials and show that the dynamic properties of the charge density wave states are largely determined by intralayer effects. © 1978.