Vibrational properties of calcium phosphate compounds. 1. Raman spectrum of β-tricalcium phosphate
PN De Aza, C Santos, A Pazo, S De Aza… - Chemistry of …, 1997 - ACS Publications
Chemistry of materials, 1997•ACS Publications
We present a study of the Raman spectrum of polycrystalline β-Ca3 (PO4) 2 (β-TCP) over its
whole optical frequency range. Raman scattering bands associated with the normal
vibrational modes of the PO43-tetrahedron were clearly identified, confirming the molecular
character of the β-TCP crystal as regards to its vibrational properties. External lattice modes
involving Ca2+ and PO43-sublattices were also observed. Several characteristic features of
the spectrum are discussed in relation to the crystallographic structure of β-TCP.
whole optical frequency range. Raman scattering bands associated with the normal
vibrational modes of the PO43-tetrahedron were clearly identified, confirming the molecular
character of the β-TCP crystal as regards to its vibrational properties. External lattice modes
involving Ca2+ and PO43-sublattices were also observed. Several characteristic features of
the spectrum are discussed in relation to the crystallographic structure of β-TCP.
We present a study of the Raman spectrum of polycrystalline β-Ca3(PO4)2 (β-TCP) over its whole optical frequency range. Raman scattering bands associated with the normal vibrational modes of the PO43- tetrahedron were clearly identified, confirming the molecular character of the β-TCP crystal as regards to its vibrational properties. External lattice modes involving Ca2+ and PO43- sublattices were also observed. Several characteristic features of the spectrum are discussed in relation to the crystallographic structure of β-TCP.
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