V2EX auger electron

Auger Electron

释义 Definition

俄歇电子:原子内层电子被激发或移走后,外层电子跃迁填补空位,把释放的能量传递给另一电子并将其击出所产生的电子。它是俄歇效应(Auger effect)的产物,常用于表面分析(如俄歇电子能谱,AES)。在某些语境下也可泛指“由俄歇过程产生的电子”(不限定具体能量范围)。

发音 Pronunciation (IPA)

/oe lktrn/

例句 Examples

Auger electrons are used to study the chemical composition of surfaces.
俄歇电子常用于研究材料表面的化学组成。

After the X-ray knocked out a core electron, an Auger electron was emitted as the atom relaxed.
当X射线击出内层电子后,原子在弛豫过程中会发射出一枚俄歇电子。

词源 Etymology

“Auger”来自法国物理学家Pierre Victor Auger(皮埃尔维克多俄歇)的姓氏。他在20世纪20年代研究并描述了这种非辐射弛豫过程(俄歇效应),因此由该过程产生的电子被称为“Auger electron”。“electron”源自希腊语 ēlektron(琥珀),与早期静电现象的发现有关。

相关词 Related Words

文学与著作 Notable Works

  • Surface Analysis: The Principal Techniques(表面分析经典教材,讨论AES与俄歇电子)
  • Auger Electron Spectroscopy and Microscopy(专著,系统介绍俄歇电子能谱/显微相关原理与应用)
  • Pierre Auger 在 Comptes Rendus(1920年代)发表的关于俄歇效应的早期论文(奠定“Auger electron”概念来源)
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