V2EX nanocrystal

Nanocrystal

定义 Definition

纳米晶体:尺寸处在纳米尺度(通常约 1100 nm)范围内、具有晶体结构的微小晶粒/颗粒。它们常因“尺寸效应”而呈现与块体材料不同的光学、电学、磁学或催化性质。(在不同学科语境中也可能特指“纳米晶材料”或“量子点”等相关对象。)

发音 Pronunciation (IPA)

/nnokrstl/

例句 Examples

A nanocrystal can change color depending on its size.
纳米晶体会随着尺寸不同而呈现不同的颜色。

Researchers embedded nanocrystals in a thin film to improve the device’s efficiency and stability.
研究人员将纳米晶体嵌入薄膜中,以提升器件的效率与稳定性。

词源 Etymology

nano- 源自希腊语 nanos(“矮小、极微小”),在现代科学中表示“十亿分之一(10)尺度”;crystal 源自希腊语 krstallos(原指“冰/水晶”),后引申为“晶体”。合起来 nanocrystal 即“纳米尺度的晶体”。

相关词 Related Words

文学与作品 Literary Works

  • 学术与科普写作中更常见(属于科技词汇),在传统文学作品中出现较少。
  • 常见于纳米材料、凝聚态物理与化学领域的论文与教材标题/正文,例如讨论半导体纳米晶(semiconductor nanocrystals)胶体纳米晶(colloidal nanocrystals)、以及与量子点(quantum dots)相关的章节与综述文章。
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