Answer to Question #134861 in Inorganic Chemistry for Nis

Question

Miller indices form a notation system in crystallography for planes in crystal (Bravais) lattices. In particular, a family of lattice planes is determined by three integers.
a) Draw the following planes of Miller Indices in the given cubic lattice.
i. (0 1 1)
ii. (1 3 2)
iii. (1 0 2)
iv. (0 2 1)
v. (2 0 2)
(d) Zinc sulphide (ZnS) has two common polymorphs which is sphalerite and wurtzite.
i. Diffrentiate the arrangement of ions in the sphalerite and wurtzite structure.
ii. By using your own illustration, briefly explain two most common atom orientations that generate close-packed lattice.

Answer 1

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