On visualizing crystal lattice planes
P. K. Aravind
Abstract
P. K. Aravind
Abstract
Given the primitive vectors of an arbitrary Bravais lattice and the Miller indices of a set of lattice planes in it, it is shown how to construct an alternative set of primitive vectors that are adapted to the lattice planes in the following sense: all but one of these alternative vectors serve as a basis for the points in one of the lattice planes, and the remaining vector serves to shift any of these lattice planes into a neighboring one. This construction is described for a three-dimensional Bravais lattice and then generalized to arbitrary d-dimensional lattices. This construction can be used to generate computer images of lattice points in a succession of crystal lattice planes, which could be useful for instructional purposes.
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Given the primitive vectors of an arbitrary Bravais lattice and the Miller indices of a set of lattice planes in it, it is shown how to construct an alternative set of primitive vectors that are adapted to the lattice planes in the following sense: all but one of these alternative vectors serve as a basis for the points in one of the lattice planes, and the remaining vector serves to shift any of these lattice planes into a neighboring one. This construction is described for a three-dimensional Bravais lattice and then generalized to arbitrary d-dimensional lattices. This construction can be used to generate computer images of lattice points in a succession of crystal lattice planes, which could be useful for instructional purposes.
Key concepts: Bravais lattice, Reciprocal lattice, Lattice plane, Lattice (music), Physics, Empty lattice approximation, Hexagonal lattice, Particle in a one-dimensional lattice