V2EX unit cell

Unit Cell

Definition 定义

unit cell晶胞(晶体学术语),指晶体结构中最小的重复单元;通过在三维空间按固定方式平移重复,能够构成整个晶体的周期性结构。也可泛指描述晶格参数(边长与夹角)的基本几何单元。

Examples 例句

A unit cell is the smallest repeating part of a crystal.
晶胞是晶体中最小的重复部分。

By analyzing the X-ray diffraction pattern, we can determine the unit cell dimensions and symmetry of the material.
通过分析 X 射线衍射图样,我们可以确定该材料的晶胞尺寸和对称性。

Pronunciation 发音

/junt sl/

Etymology 词源

unit 来自拉丁语 unitas(“一、统一”),表示“基本单位”;cell 来自拉丁语 cella(“小房间、隔间”)。在晶体学中,unit cell 形象地表示“构成整体结构的最小小格/小单元”,强调其可重复性与构建性。

Related Words 相关词

Literary Works 文献与著作

  • Introduction to Solid State Physics(Charles Kittel,《固体物理导论》)
  • Elements of X-Ray Diffraction(B. D. Cullity & S. R. Stock,《X 射线衍射基础》)
  • Structure of Materials: An Introduction to Crystallography, Diffraction and Symmetry(Marc De Graef & Michael E. McHenry)
  • Crystallography Made Crystal Clear(Gale Rhodes)
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