Table 23.5 Mean crystallite size, crystallinity, and lattice parameters of heat-treated nanopowders from XRD patterns
Nanopowder
Mean crystallite size, nm
Crystallinity
Lattice parameters a and c, Å
800 C
1000 C
1200 C
800 C
1000 C
1200 C
800 C
1000 C
1200 C
HA
65.00
71.00
68.00
0.88
0.91
0.94
9.415, 6.879
9.413, 6.877
9.411, 6.876
ZnHA
41.00
74.00
62.00
0.74
0.91
0.92
9.394, 6.895
9.405, 6.869
9.409, 6.880
MgHA
38.00
127.00
92.00
0.76
0.93
0.95
9.398, 6.757
9.399, 6.686
9.397, 6.747
EuHA
37.67
58.52
87.78
0.478
0.538
0.54
9.324, 6.820
9.478, 6.884
9.450, 6.817
FHA
58.00
87.00
67.00
0.9
0.91
0.95
9.387, 6.874
9.389, 6.877
9.388, 6.883
SiHA
41.41
71.71
113.70
0.81
0.93
0.96
9.393, 6.868
9.388, 6.841
9.409, 6.886
KSiHA
42.29
88.00
129.40
0.89
0.96
0.96
9.393, 6.868
9.384, 6.841
9.409, 6.881
ZnFHA
52.70
70.60
87.90
0.906
0.94
0.94
9.398, 6.885
9.399, 6.886
9.397, 6.885
SrFHA
105.44
116.75
57.94
0.88
0.89
0.91
9.410, 6.894
9.411, 6.894
9.366, 6.893
MgSrHA
65.38
76.26
81.01
0.755
0.819
0.822
9.625, 6.892
9.625, 6.869
9.625, 6.883
MgSrFHA
54.00
63.70
67.00
0.29
0.68
0.71
9.358, 6.981
9.296, 6.847
9.367, 6.822
438
S. Kapoor et al.