X-ray diffraction was performed on Pb with a FCC structure using a wavelength 2=0.1542 nm. The measured diffraction peaks, associated planes and diffraction angles are listed in the table below. Assume that n3D1 and calculate for the three planes: a) The interplanar spacing d (3p) b) The lattice parameter a (3p) c) The atomic radius R (2p) Peak Index 111 20 31.3 36.6° 200 220 52.6°
X-ray diffraction was performed on Pb with a FCC structure using a wavelength 2=0.1542 nm. The measured diffraction peaks, associated planes and diffraction angles are listed in the table below. Assume that n3D1 and calculate for the three planes: a) The interplanar spacing d (3p) b) The lattice parameter a (3p) c) The atomic radius R (2p) Peak Index 111 20 31.3 36.6° 200 220 52.6°
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X-ray diffraction was performed on Pb with a FCC structure using a wavelength 3=0.1542 nm. The measured diffraction peaks, associated planes and diffraction angles are listed in the table below. Assume that n=1 and calculate for the three planes: a) The interplanar spacing d (3p) b) The lattice parameter a (3p) ¢) The atomic radius R (2p) Peak Index (1 s 200 36.6° (220 528°
Transcribed Image Text:X-ray diffraction was performed on Pb with a FCC structure using a wavelength
2=0.1542 nm. The measured diffraction peaks, associated planes and diffraction angles
are listed in the table below. Assume that n=1 and calculate for the three planes:
a) The interplanar spacing d (3p)
b) The lattice parameter a (3p)
c) The atomic radius R (2p)
Peak Index
20
31.3
111
200
220
36.6°
52.6°
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