https://w3id.org/matsci-sam/vocabulary/id4/motif
Canonical definition
A repeating structural arrangement of atoms or ions in a crystalline solid.
In olivine ((Mg,Fe)SiO3), the SiO4 tetrahedral units are the repeating motif.
An arrangement of atoms in a material, typically one that is visually recognizable and therefore does not contain more than 5-20 atoms.
In an alloy of Cr, Co, and Ni, Ni prefers to be surrounded by Cr and other Ni, so that motif shows up frequently.
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