V2EX superlattice

Superlattice

释义 Definition

超晶格:由两种或多种不同材料以极薄层(常为纳米尺度)周期性交替堆叠形成的人造层状结构,使电子、光学或声子等性质呈现可设计的“周期势”。

发音 Pronunciation (IPA)

/suprlts/

例句 Examples

A superlattice can be made by stacking two semiconductors in alternating nanometer-thick layers.
超晶格可以通过将两种半导体以纳米级厚度交替堆叠来制备。

By tuning the layer thickness in a superlattice, researchers can engineer the band structure and change how electrons move through the material.
通过调节超晶格中各层的厚度,研究人员可以设计能带结构,并改变电子在材料中的传输方式。

词源 Etymology

由 **super-**(“超、上层、更高阶”)+ lattice(“晶格、格子结构”)构成。该词常用于材料科学与固体物理,强调这种结构是在原有晶格概念之上“人为引入更大尺度周期性”的层状周期结构。

相关词 Related Words

文学作品中的用例 Literary Works

该词主要属于专业科技词汇,在传统文学作品中较少出现;更常见于材料科学与凝聚态物理的学术著作与教材中,例如:

  • S. M. Sze & Kwok K. Ng, Physics of Semiconductor Devices(涉及异质结构与相关器件概念,常与超晶格并列讨论)
  • Charles Kittel, Introduction to Solid State Physics(固体物理基础框架下常提及晶格与周期势概念,为理解超晶格提供背景)
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