1)Tungsten (W) crystallizes in cubic structure. Side length of the unit cell of this crystal structure a=3.1648 Å. When the X-ray diffraction experiment is perfomed, scattering occur from the following planes:
1)Tungsten (W) crystallizes in cubic structure. Side length of the unit cell of this crystal structure a=3.1648 Å. When the X-ray diffraction experiment is perfomed, scattering occur from the following planes:
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Transcribed Image Text:1)Tungsten (W) crystallizes in cubic structure. Side length of the unit cell of this crystal
structure a=3.1648 Å. When the X-ray diffraction experiment is perfomed, scattering occurs
from the following planes:
(110), (200), (211), (220), (310), (222), (321), (400), (411), (420), (332), (431)
a) Which of the x-rays scattered from the (110) and (200) planes has the greatest intensity?
Hint: The intensity of the x-ray emitted from any atonm decreases as the scattering angle
increases. Also note that 2/2d = sine.
b) Calculate the structure factor Fh1 for this crystal structure for the (110) and (200) planes.
Here the scattering factor is fw(110)=58 and fw(200)=51.
In this crystal structure, two W atoms are in (0,0,0) and (0.5,0.5,0.5) positions, respectively
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