V2EX quasicrystal

Quasicrystal

释义 Definition

准晶体;准晶:一种具有长程有序不具周期性平移对称的固体结构,常呈现传统晶体中不允许的旋转对称(如五重、十重对称)。在材料科学中常讨论其独特的硬度、低摩擦、低导热等性质。

发音 Pronunciation

/kwezikrstl/

例句 Examples

Quasicrystals have unusual symmetries.
准晶体具有不寻常的对称性。

Scientists discovered that a quasicrystal can be ordered without repeating like a normal crystal lattice.
科学家发现,准晶体可以在不像普通晶格那样周期重复的情况下仍保持有序。

词源 Etymology

由 **quasi-**(“准、类似但不完全是”)+ crystal(“晶体”)构成,字面意思是“像晶体但又不同于传统晶体的结构”。该概念因20世纪80年代对“非周期但有序”结构的发现而广为人知。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Quasicrystals and Geometry(Marjorie Senechal):以几何与铺砌视角系统讨论准晶结构。
  • Quasicrystals: The State of the Art(D. P. DiVincenzo & P. J. Steinhardt 编):汇集准晶研究的重要综述与进展。
  • Quasicrystals: A Primer(C. Janot):面向入门读者介绍准晶的基本概念与实验特征。
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