RAMAN INVESTIGATION OF SIMPLE AND COMPLEX OXIDES OF PLATINUM

Raman spectra were obtained from PtO, Pt5O6, Pt3O4, alpha-PtO2, beta-PtO2, M(x)Na(y)Pt3O4 (M = Co, Ni), PtCoO2 and MPt3O6 (M = Mn, Co, Cd). An enumeration of the allowed Raman modes is made for all of these oxides except Pt5O6, for which the structure is unknown. Polarization measurements allow symmetry species assignments to be made for the lines from alpha-PtO2 and PtCoO2, and a likely assignment of the lines from beta-PtO2 is made by analogy with rutile-structured materials with the rutile structure.