V2EX bragg diffraction

Bragg Diffraction

释义 Definition

布拉格衍射:当波(常见为 X 射线、中子或电子)被晶体中周期排列的原子平面散射时,在特定角度出现强增强的衍射峰的现象。它通常用布拉格定律来描述,用于测定晶体结构与晶面间距。(该术语也可泛指周期结构中的选择性衍射,不仅限于晶体。)

例句 Examples

Bragg diffraction helps scientists determine the spacing between crystal planes.
布拉格衍射帮助科学家测定晶体晶面之间的间距。

Using Bragg diffraction, researchers analyzed the material’s phase changes by tracking shifts in diffraction peaks as temperature increased.
研究人员利用布拉格衍射,通过观察温度升高时衍射峰的位置变化来分析材料的相变过程。

发音 Pronunciation (IPA)

/br dfrkn/

词源 Etymology

“Bragg diffraction” 得名于英国物理学家威廉亨利布拉格(W. H. Bragg)与其子威廉劳伦斯布拉格(W. L. Bragg)。他们在 1910 年代建立并推广了用 布拉格定律解释晶体衍射的框架,使利用衍射研究晶体结构成为现代晶体学与固体物理的基础方法之一。

<2>相关词 Related Words

文学与经典著作 Literary Works

  • X-Rays and Crystal Structure(W. L. Bragg)早期系统阐述晶体结构与衍射思想的经典著作。
  • Elements of X-Ray Diffraction(B. D. Cullity & S. R. Stock)材料科学与工程中讲解布拉格衍射与衍射图谱分析的常用教材。
  • Introduction to Solid State Physics(Charles Kittel)固体物理经典教材,相关章节讨论晶体衍射与倒易空间。
  • International Tables for Crystallography(国际晶体学联合会相关卷册)晶体学参考标准资料中广泛涉及布拉格衍射与结构解析方法。
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