Bioinorganic Preparation of Hydroxyapatite and Rare Earth Substituted Hydroxyapatite for Biomaterials Applications

Table 1

Essential XRD data of HA and Nd-Ce/HA.

Peak position 2θ (°)		FWHM		Interplaner spacing d (Å)		Miller indices (hkl)
HA	Nd-Ce/HA	HA	Nd-Ce/HA	HA	Nd-Ce/HA	HA	Nd-Ce/HA
26.098	26.189	0.1968	0.2952	3.41449	3.40286	002	002
31.9779	32.030	0.1968	0.3936	2.79881	2.79437	121	112
34.2839	33.219	0.246	0.3936	2.61565	2.69703	022	030
42.2759	34.344	0.3936	0.3936	2.13784	2.61119	032	022
43.9959	42.336	0.1968	0.7872	2.05817	2.13495	113	032
46.9342	47.058	0.3936	0.2952	1.93595	1.93114	222	222
49.6435	49.809	0.2952	0.2952	1.83645	1.83073	123	123
53.3215	53.440	0.2952	0.48	1.71813	1.71317	004	004
64.2344	—	0.3936	—	1.45008	—	233	—
72.1167	—	0.7872	—	1.30976	—	250	—