Abstract
The effects of Mn-doping on the structural evolution of β-Tricalcium Phosphate were studied using X-ray powder diffraction with Rietveld refinement and Raman spectroscopy. The lattice parameters and unite cell volumes decrease with the increase of Mn-doping without changing their R3c space group. Ca(5) and Ca(4) sites could be substituted by Mn2+. The manganese substitution resulted in the structural instability and distortion, which also could generate the shift of Raman peaks. The broad band assigned to Ca–PO43− was changed from 272 cm−1 to 292 cm−1, which may indicate the decreasing of bond lengths between Ca(Mn) and PO43−. This work may benefit for the further study of the structure–property relationship of β-Tricalcium Phosphate.
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