V2EX seed crystal

Seed Crystal

Definition / 定义

seed crystal(晶种/籽晶):在溶液或熔体中人为加入的一小块晶体,用来作为“模板”促使溶质分子有序排列、引发并加速结晶/晶体生长。常用于糖果制作、化学结晶、材料与半导体晶体生长等场景。

Pronunciation / 发音

/sid krstl/

Examples / 例句

Add a seed crystal to help the sugar crystallize.
加入一小块晶种可以帮助糖发生结晶。

By introducing a seed crystal at the right temperature, the lab was able to grow larger, purer crystals from the supersaturated solution.
在合适温度下加入晶种,实验室就能从过饱和溶液中生长出更大、更纯的晶体。

Etymology / 词源

seed 原义为“种子”,引申为“起始点/引发物”;crystal 来自希腊语 krystallos(最初指“冰/水晶般的透明固体”)。合在一起,seed crystal 直观表达“像种子一样用来启动晶体生长的晶体”。

Related Words / 相关词

Literary Works / 文学作品

  • Cat’s Cradle(Kurt Vonnegut)小说中以“seed crystal(晶种)”的概念来推动与“冰-九”相关的情节设定与科学想象。
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