Wigner-Seitz cell

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A polyhedron in a crystal that is bounded by planes formed by perpendicular bisectors of bonds between lattice sites. The Wigner-Seitz cell was used by Hungarian-born US physicist Eugene Wigner (1902–95) and Frederick Seitz (1911–2008) in 1933 in the course of their analysis of the cohesion of metals. The concept has been used extensively in the theory of solids.

Subjects: Chemistry.

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