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Intensity 70 60 50 40 10 88200 30 20 40 00 45 50 50 55 60 2 65 Two Theta (degree) 70 75 3
Intensity 70 60 50 40 10 88200 30 20 40 00 45 50 50 55 60 2 65 Two Theta (degree) 70 75 3 80 00 85 55 Procedures: 1. From the XRD pattern, measure the 20angle of the peak 1, 2 and 3; 2. Calculate and sin20, 3. Calculate lattice parameter d according to the Bragg's law 2dsin 6-2, where is wavelength, =1.541 ; 4. Calculate lattice parameter a according to a = dh + k+1; 5. Calculate the averaged lattice parameter a. Peak (hkl) 20(measured from the XRD pattern) 1 2 (110) (200) 6 sine d a
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