crystalline defect

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• Crystalline silicon — is a material consisting of one or more small silicon crystals. Polycrystalline silicon Polycrystalline silicon (or polysilicon, poly Si, or simply poly in context) is a material consisting of multiple small silicon crystals.Polycrystalline… …   Wikipedia

• Crystallographic defect — Crystalline solids exhibit a periodic crystal structure. The positions of atoms or molecules occur on repeating fixed distances, determined by the unit cell parameters. However, the arrangement of atom or molecules in most crystalline materials… …   Wikipedia

• Topological defect — Also see base concepts: topology, differential equations, quantum theory condensed matter physics .In mathematics and physics, a topological soliton or a topological defect is a solution of a system of partial differential equations or of a… …   Wikipedia

• crystal defect — Crystall. defect (def. 3). * * * ▪ crystallography       imperfection in the regular geometrical arrangement of the atoms in a crystalline solid. These imperfections result from deformation of the solid, rapid cooling from high temperature, or… …   Universalium

• Latent image — A latent image on photographic film is an invisible image produced by the exposure of the film to light. When the film is developed, the area that was exposed darkens and forms a visible image. In the early days of photography, the nature of the… …   Wikipedia

• Silver halide — A silver halide is one of the compounds formed between silver and one of the halogens mdash; silver bromide (AgBr), chloride (AgCl), iodide (AgI), and two forms of silver fluorides. As a group, they are often referred to as the silver halides,… …   Wikipedia

• Sensitivity speck — A sensitivity speck is a place in silver halide crystal where latent image is preferentially formed. This is very often the site of shallow electron traps, such as crystalline defect (particularly edge dislocation) and silver sulfide specks… …   Wikipedia

• dislocation — a linear crystalline defect around which there is atomic misalignment; plastic deformation corresponds to the motion of dislocations in response to an applied shear stress; edge, screw, and mixed dislocations are possible. The movement of… …   Mechanics glossary

• edge dislocation — a linear crystalline defect associated with the lattice distortion produced in the vicinity of the end of an extra half plane of atoms within a crystal; the Burgers vector is perpendicular to the dislocation line …   Mechanics glossary

• Crystallinity — Crystalline redirects here. It is not to be confused with Crystallin. For the song by Björk, see Crystalline (song). Crystallinity refers to the degree of structural order in a solid. In a crystal, the atoms or molecules are arranged in a regular …   Wikipedia

• crystal — crystallike, adj. /kris tl/, n., adj., v., crystaled, crystaling or (esp. Brit.) crystalled, crystalling. n. 1. a clear, transparent mineral or glass resembling ice. 2. the transparent form of crystallized quartz. 3. Chem., Mineral. a solid body… …   Universalium