Q-1 Determine which diffraction pattern belongs to Fe (Lattice parameter 3.571) and which belongs to Al(Lattice Parameter 4.0490A). Intensity (%)
1,1,1 (38.48,100.0)
100
90
80
70
60
2,0,0 (44.73,46.9)
50
40
3,1,1 (78.25,27.8)
2,2,0 (65.11,26.4)
30
20
2,2,2 (82.45,7.8)
10
0 0
5
10
15
20
25
Intensity (%)
30
35
40
45
50
55
60
65
70
75
80
85
1,1,0 (34.73,100.0)
100
90
80
70
60
50
40
2,1,1 30
(62.25,27.7)
20
2,0,0 (49.93,15.5)
3,2,1
3,1,0 2,2,0 10
(104.30,1
(83.73,9.4)
(73.30,7.5) 2,2,2 (93.95,2.3)
0 0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
Q-2 Calculate the particle size of the powder from its XRD peak at 28.2° (2θ) with FWHM of 0.44° (2θ) Standard material has FWHM of 0.16° (2θ) CuKa (1.540 Å) was used for the X-ray diffraction experiment. Q-3 Fill the table and determine the bravis lattice of the metal giving the following XRD Data.