Consider the simple and close-packed hexagonal direct lattices. (a) Find out the general expression for the structure factor for each lattice type. In this context, what is the significance of a complex structure factor? (b) Without resorting to the structure factor, determine in which structure(s) X-ray Bragg reflections arise from the lattice planes (0001), (0002), and (1010). Justify your answer by the use of the above determined structure factor or otherwise and explain the meaning of the four indices describing the above cited lottion plon
Consider the simple and close-packed hexagonal direct lattices. (a) Find out the general expression for the structure factor for each lattice type. In this context, what is the significance of a complex structure factor? (b) Without resorting to the structure factor, determine in which structure(s) X-ray Bragg reflections arise from the lattice planes (0001), (0002), and (1010). Justify your answer by the use of the above determined structure factor or otherwise and explain the meaning of the four indices describing the above cited lottion plon
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Transcribed Image Text:Question 3
Consider the simple and close-packed hexagonal direct lattices.
(a) Find out the general expression for the structure factor for each lattice type. In this
context, what is the significance of a complex structure factor?
(b) Without resorting to the structure factor, determine in which structure(s) X-ray Bragg
reflections arise from the lattice planes (0001), (0002), and (1010). Justify your answer
by the use of the above determined structure factor or otherwise and explain the meaning
of the four indices describing the above cited lattice planes.
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