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![Crystallographic defect - Wikipedia, the free encyclopedia]()
en.wikipedia.orgCrystalline 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 atoms or molecules in most crystalline materials is not pe瀏覽：868 -
![Defect | Define Defect at Dictionary.com]()
dictionary.reference.comdefect —n 1. a lack of something necessary for completeness or perfection; shortcoming; deficiency 2. an imperfection, failing, or blemish 3. crystallog point defect See also dislocation a local deviation from regularity in the crystal lattice of a solid瀏覽：1150
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日期：2024-04-23
de·fect (d f kt, d-f kt) n. 1. The lack of something necessary or desirable for completion or perfection; a deficiency: a visual defect. 2. An imperfection that causes inadequacy or failure; a shortcoming. See Synonyms at blemish. intr.v. (d-f kt) de·fect...
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Point defects are defects that occur only at or around a single lattice point. They
are not extended in space in any dimension....
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日期：2024-04-23
Point defects are where an atom is missing or is in an irregular place in the lattice
structure. Point defects include self interstitial atoms, interstitial impurity atoms, ......
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日期：2024-04-24
4.2 POINT DEFECTS. A point defect disturbs the crystal pattern at an isolated site
. It is useful to distin- guish intrinsic defects, which can appear in a pure material ......
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日期：2024-04-24
crystal defect, imperfection in the regular geometrical arrangement of the atoms in a crystalline solid. ......
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日期：2024-04-18
crystal defect, imperfection in the regular geometrical arrangement of the atoms in a crystalline solid. These imperfections result from deformation of the solid, ......
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日期：2024-04-20
Crystal Defects. A perfect crystal, with every atom of the same type in the correct position, does not exist. All crystals have some defects. Defects contribute to the ......
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日期：2024-04-20
Linear Defects - Dislocations. Dislocations are another type of defect in crystals. Dislocations are areas were the atoms are out of position in the crystal structure....
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