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Abstract

This article defines crystallographic terms and concepts, including crystal structure, unit cell, structure symbols, lattice, space-group notation, and atom position. It schematically illustrates the atom positions, prototypes, structure symbols, space-group notations, and lattice parameters for some of the simple metallic crystals. A table that lists the crystal structures of various metal elements is presented. The crystal structures are described by the Pearson symbols for crystal system, space lattice, total number of atoms per unit cell, and prototype structure. The article tabulates the assorted structure types of metallurgical interest arranged according to Pearson symbol. It also provides information on crystal defects in all real crystals, explaining some significant ones, such as point defects, line defects, stacking faults, and twins.

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2016. "Crystal Structure", Alloy Phase Diagrams, H. Okamoto, M.E. Schlesinger, E.M. Mueller

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