V2EX electron microprobe

Electron Microprobe

Definition / 定义

电子探针(电子微探针):一种利用聚焦的高能电子束轰击样品,并测量其产生的特征 X 射线等信号来进行微区元素分析与成分定量的仪器与方法。常用于矿物学、材料科学、冶金与地球化学等领域。(也常与 electron probe microanalyzer, EPMA 相关。)

Pronunciation / 发音

/lktrn makroprob/

Examples / 例句

The lab uses an electron microprobe to measure the composition of tiny mineral grains.
实验室使用电子探针来测量微小矿物颗粒的成分。

Because the sample is chemically zoned, we mapped it with an electron microprobe to quantify element variations across the crystal.
由于样品存在化学分带,我们用电子探针对其进行面扫描,以定量晶体内部不同位置的元素变化。

Etymology / 词源

electron 源自希腊语 ēlektron(意为“琥珀”),早期静电现象常由摩擦琥珀观察到,后来“电子”这一概念借此命名。microprobe 由 *micro-*(“微小的”)+ probe(“探测器/探针”)构成,字面意思是“用于微小区域的探测”。合起来表示“用电子束作为探针,在微小尺度上进行分析的仪器”。

Related Words / 相关词

Literary Works / 文学作品

  • Electron Microprobe Analysis and Scanning Electron Microscopy in Geology(这类地质学方法书中常系统介绍并频繁使用 “electron microprobe” 一词)
  • Introduction to Electron Microprobe Analysis(以电子探针分析为主题的经典教材/专著)
  • Mineralogical and Petrological 相关研究论文与专著(矿物成分定量与分带研究中常出现该术语,如晶体分带、微区定量分析的描述)
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