Unit Cell

What is a Unit Cell?

Crystal structures are made up of repeating units of atoms in well defined locations in a lattice. In order to describe these structures, it is useful to define the smallest unit of this structure. This is called the unit cell. The unit cell is the smallest unit of a crystal structure that can be used to tile space and make the larger macroscopic structure.

Types of Unit Cell

There are basically three types of unit cells

1. Primitive Cubic Unit Cell
2. Body-centered Cubic Unit Cell
3. Face centered cubic unit cell

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