Temperature Lattice Parameters (Å)* Lattice Parameters (Å)* CaF2 (Wt%)
HAP CaF2
37 ᵒC
a= 9.637 (± 0.1%) c= 7.061 (± 0.1%)
a=5.602 (± 0.1%)
12.8 (± 0.2%)
70 ᵒC
a= 9.6303 (± 0.3%) c= 7.0646 (± 0.4%)
a=5.6137 (± 0.6%)
11.8 (± 0.5%)
90 ᵒC
a= 9.6326 (± 0.1%) c= 7.0734 (± 0.3%)
a=5.614 (± 0.3%)
6.4 (± 0.3%)
HAp Captal® R c= 7.0651 (± 0.1%) 0