3. Crystallization
3.1 Principles
Crystallization is a phase change that transforms a compound into an ordered solid state. In the historical sense of the term (excluding quasicrystals), a crystal is an ordered periodic arrangement in three-dimensional space, the crystal lattice being the basic unit that repeats itself by translations according to the law described by a point lattice.
In 3 dimensions, there are 14 possible point lattices (known as Bravais lattices), described only by 7 meshes: the 7 crystal systems. Each system is characterized by a symmetry, which implies constraints on the mesh parameters (table 1 ). Combining the different symmetries, there are just 230...
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Crystallization
Recording diffraction data
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