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VOLUME 17 (1973) | ISSUE 9 | PAGE 488
Manifestation of Crystal Structure Singularities in the IR Spectra of Germanium Dichalcogenides
We report the first investigations of the spectra of GeS2 and GeSe2 in the far infrared, where we observed, in addition to the ordinary vibrational bands, also absorption bands similar to those seen in the spectra of molecular crystals.