V2EX atomic layer deposition

Atomic Layer Deposition

释义 Definition

原子层沉积(简称 ALD):一种精密的薄膜沉积技术,通过交替引入两种或多种反应前驱体,使其在基底表面发生自限性表面反应,从而以“逐层(接近单原子层)”的方式生长超薄且高度均匀的薄膜。常用于半导体、纳米材料、涂层与催化等领域。

发音 Pronunciation (IPA)

/tmk ler dpzn/

例句 Examples

Atomic layer deposition can coat complex 3D shapes evenly.
原子层沉积可以将薄膜均匀覆盖在复杂的三维结构上。

By using atomic layer deposition, researchers achieved angstrom-level control of film thickness on high-aspect-ratio trenches, improving device reliability.
通过原子层沉积,研究人员在高深宽比沟槽中实现了埃级厚度控制,从而提升了器件可靠性。

词源 Etymology

该短语由三部分构成:atomic(原子的,来自 atom,源于希腊语 atomos “不可分割的”)、layer(层,来自古英语 ler 等相关词形,表示“铺层/层次”)、deposition(沉积/沉降,来自拉丁语 deponere “放下、置下”)。整体字面意思是“以原子层为单位的沉积”,用于强调其逐层生长与精确可控的特征。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Atomic Layer Deposition(Miikkulainen, Leskel, Ritala, Puurunen 等,教材/专著)
  • Atomic Layer Deposition for Nanotechnology(Arthur Sherman,专著)
  • George E. P. Box 等领域论文与综述中常见的工艺术语汇编(材料/半导体工艺综述与手册中频繁出现 “atomic layer deposition/ALD”)
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