V2EX auger electrons

Auger Electrons

定义 Definition

奥杰电子(Auger electrons):当原子内层电子被移走后,外层电子跃迁填补空位,释放的能量不以X射线形式发出,而是传递给另一外层电子并将其击出;被击出的这颗电子就叫奥杰电子。常用于表面成分分析(如奥杰电子能谱,AES)。

发音 Pronunciation (IPA)

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例句 Examples

Auger electrons are emitted when an atom relaxes after inner-shell ionization.
当原子在内层电离后回到较稳定状态时,会发射奥杰电子。

By analyzing the energy distribution of Auger electrons, researchers can determine the elemental composition of a material’s top few nanometers.
通过分析奥杰电子的能量分布,研究人员可以测定材料表面最上方几纳米范围内的元素组成。

词源 Etymology

“Auger”来自法国物理学家皮埃尔奥杰(Pierre Auger)的姓氏。与之相关的现象称为奥杰效应(Auger effect):一种非辐射跃迁过程(能量不以光子形式发射,而以电子形式释放)。

相关词 Related Words

文献与作品 Literary Works

  • Surface Analysis: The Principal Techniques(介绍包括AES在内的表面分析方法,常提及Auger electrons)
  • Handbook of X-ray Photoelectron Spectroscopy(对比XPS与奥杰过程,涉及Auger electrons与相关谱线)
  • Introduction to Surface Chemistry and Catalysis(表面科学章节中常用Auger electrons解释表面表征与能谱分析)
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