V2EX bandstructure

Band Structure

定义 Definition

能带结构:在固体(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)变化的关系图或描述。常用于解释导体、半导体与绝缘体的电学与光学性质。(也常说 electronic band structure 电子能带结构。)

发音 Pronunciation (IPA)

/bnd strktr/

例句 Examples

Band structure helps explain why silicon is a semiconductor.
能带结构有助于解释为什么硅是半导体。

Using density functional theory, the researchers calculated the band structure and predicted a direct band gap at the K point.
研究人员使用密度泛函理论计算了能带结构,并预测在 K 点存在直接带隙。

词源 Etymology

band 原意为“带、条带”,在物理中引申为“能量带(能带)”;structure 为“结构”。合起来表示“能量带的结构/排列方式”。该术语在固体物理与量子力学发展(尤其是晶体中电子的布洛赫理论)背景下广泛定型使用。

相关词 Related Words

文献与作品 Literary / Notable Works

  • Introduction to Solid State Physics(Charles Kittel)常用能带结构讨论金属、半导体与绝缘体差异。
  • Solid State Physics(Ashcroft & Mermin)系统讲解晶体中电子的能带理论与能带结构图。
  • Electronic Structure: Basic Theory and Practical Methods(Richard M. Martin)在电子结构计算与能带结构(含 DFT)语境中频繁出现。
  • Principles of the Theory of Solids(J. M. Ziman)涉及能带结构与固体性质的理论联系。
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