V2EX band structure

Band Structure

定义 Definition

能带结构:固体(尤其是晶体)中电子允许占据的能量范围(能带)及其随晶体动量(波矢 k)变化的关系图/关系式。它用于解释导体、半导体和绝缘体的电学、光学性质(如带隙、导电性、吸收边等)。

发音 Pronunciation (IPA)

/bnd strktr/

例句 Examples

The band structure of silicon shows an energy gap.
硅的能带结构显示出一个能隙。

By calculating the band structure under strain, researchers predicted how the material’s conductivity would change.
通过计算材料在应变条件下的能带结构,研究人员预测了其电导率将如何变化。

词源 Etymology

band 原指“带、条带”,在物理语境中引申为“能量带”;structure 指“结构、构造”。合在一起表示“能量带的分布与构造”。该术语在20世纪量子力学与固体物理发展(如布洛赫定理、能隙概念)中逐渐确立,用来描述周期势场中电子能量的分段与排列。

相关词 Related Words

文学/著作作品 Literary / Notable Works

  • Solid State Physics Neil W. Ashcroft & N. David Mermin(系统讲解能带结构与布里渊区等核心概念)
  • Introduction to Solid State Physics Charles Kittel(经典教材,频繁使用“band structure”讨论半导体与金属)
  • Electronic Structure: Basic Theory and Practical Methods Richard M. Martin(从理论与计算角度讨论能带结构与第一性原理方法)
  • Principles of the Theory of Solids J. M. Ziman(固体理论经典文本,涉及能带与电子输运的联系)
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