Q3) The figure below shows an x-ray diffraction pattern for erbium nitride (ErN) taken using a diffractometer mono-chromatic x-radiation having a wavelength of 0.15418 nm; each diffraction peak on the pattern has been indexed. Assume the order of diffraction is 1. 1- Compute the interplanar spacing for only three indexed planes. 2- Determine the lattice parameter. (111) X-ray diffraction of ErN. 20 30 40 60 70 80 90 100 20 Intensity (a.u.) (00) 50 (220) -(311) -(222) (00t)
Q3) The figure below shows an x-ray diffraction pattern for erbium nitride (ErN) taken using a diffractometer mono-chromatic x-radiation having a wavelength of 0.15418 nm; each diffraction peak on the pattern has been indexed. Assume the order of diffraction is 1. 1- Compute the interplanar spacing for only three indexed planes. 2- Determine the lattice parameter. (111) X-ray diffraction of ErN. 20 30 40 60 70 80 90 100 20 Intensity (a.u.) (00) 50 (220) -(311) -(222) (00t)
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Transcribed Image Text:Q3) The figure below shows an x-ray diffraction pattern for erbium nitride (ErN) taken using a
diffractometer mono-chromatic x-radiation having a wavelength of 0.15418 nm; each diffraction peak on
the pattern has been indexed. Assume the order of diffraction is 1.
1-
Compute the interplanar spacing for only three indexed planes.
2-
Determine the lattice parameter.
(111)
X-ray diffraction of ErN.
20
30
40
50
60
70
80
90
100
20
Intensity (a.u.)
(200)
-(220)
-(311)
(222)
{(400)
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