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单词 unit cell
释义

unit cell

noun Crystallography
The smallest group of atoms which has the overall symmetry of a crystal, and from which the entire lattice can be built up by repetition in three dimensions.Repeated translation along the edges of the unit cell can be used to derive the entire crystal lattice; in other words, the crystal lattice is the unit cell repeated many times in a periodic fashion....
  • Crystallographers describe the repeating unit of a crystal lattice, the unit cell, by the length of its edges and angles between them.
  • The most common method to determine deviations from stoichiometry is the use of x-ray diffraction to measure the parameters of the lattice unit cell.
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更新时间:2024/12/23 23:18:34