[Theoretical and experimental vibrational spectroscopy study of K3Ln(PO4)2 phosphates]. / Etude théorique et expérimentale des spectres de vibration des phosphates K3Ln(PO4)2.

The monoclinic phosphates with K3Ln(PO4)2 (Ln=rare earth) formula were synthesized. Their infrared and Raman spectra have been reported and analysed. The results of a force field calculation for K3Nd(PO4)2 are presented.

[Vibrational spectra of monoclinic diphosphates of formula AMP2O7]. / Spectres de vibration des diphosphates monocliniques de formule AMP2O7.

The monoclinic pyrophosphates with AMP2O7 formula were synthesized. Their infrared and Raman spectra have been reported and analysed. The results of a force field calculation for CaCuP2O7 are presented.

[Spectrum analysis of monophosphates SrMN(PO4)2, where M=Co, Ni]. / Etude vibrationnelle des monophosphates SrM2(PO4)2 avec M=Co, Ni.

The infrared and Raman spectra of triclinic phosphates SrM2(PO4)2 where M = Co, Ni have been reported and analysed. The results of a force field calculation for SrNi2(PO4)2 are presented.