A solid in which the atoms are spatially arranged in a periodic fashion throughout the entire solid.
a material where the atoms form a periodic array.
A crystal having a homogeneous, undisturbed lattice structure throughout.
The single crystal, or mono-crystal , is characterised by its completely regular arrangement of atoms over the entire material block. Within the crystal there are no different fields or grains. Single silicon crystals are produced by the Czochralski method , among other methods.
A single crystal, also called monocrystal, is a crystalline solid in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries. The opposite of a single crystal sample is a polycrystalline sample, which is made up of a number of smaller crystals known as crystallites. Because of a variety of entropic effects on the microstructure of solids, including the distorting effects of impurities and the mobility of crystallographic defects and dislocations, single crystals of meaningful size are exceedingly rare in nature, and can also be difficult to produce in the laboratory under controlled conditions (see also recrystallisation).