dumbbell interstitial

dumbbell interstitial: расщеплённый междоузельный атом (пара атомов внедрения гранецентрированной кубической решётки, эквидистантные от вакансии в направлении, проходящем через её центр)

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Interstitial defect — Interstitials are a variety of crystallographic defects, i.e. atoms which occupy a site in the crystal structure at which there is usually not an atom, or two or more atoms sharing one or more lattice sites such that the number of atoms is larger … 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

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