Abstract
Polarized Raman spectra of transition metal disilicides, MSi2 (M=Nb, Ta, V, Cr), of hexagonal structure were measured on single crystals. The transmittance IR spectrum of a polycrystalline CrSi2 film is also reported. The vibrational modes are described in terms of symmetry and atomic motions. The effect due to the metal substitution on the spectra is discussed. © 1998 John Wiley & Sons, Ltd.
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