Apatite-type solid solutions with the formula Ca₁₀(PO₄)₆Fe_xO_yH_z containing Fe atoms in the channel sites of Ca₁₀(PO₄)₆(OH)₂ were successfully synthesized by impregnation with aqueous solution of Fe, followed by heat treatment at 1150 °C in air and cooling to room temperature. The unit cell volume of Ca₁₀(PO₄)₆Fe_xO_yH_z increased with increasing Fe content. The results of structural refinement using powder X-ray diffraction data and Raman spectroscopy suggested that the incorporated Fe ions occupied four-fold sites, away from the center of the channel in the apatite lattice. This method may be useful for synthesizing novel apatite-type functional materials containing transition metals.

通过在Fe的水溶液中浸渍，成功地合成了在Ca ₁₀（PO ₄）₆（OH）₂的通道位点中含有Fe原子的式Ca ₁₀（PO ₄）₆ Fe _x O _y H _z的磷灰石型固溶体，然后在空气中于1150°C进行热处理，然后冷却至室温。Ca ₁₀（PO ₄）₆ Fe _x O _y H _z的晶胞体积随着铁含量的增加而增加。使用粉末X射线衍射数据和拉曼光谱对结构进行细化的结果表明，掺入的Fe离子占据了四倍的位置，远离磷灰石晶格中通道的中心。该方法对于合成包含过渡金属的新型磷灰石型功能材料可能是有用的。