V2EX antiferromagnetism

Antiferromagnetism

释义 Definition

反铁磁性:一种磁性现象/材料性质,其中相邻原子或离子的磁矩(自旋)倾向于反向平行排列,使整体磁化强度在宏观上相互抵消,因此通常不表现出强的净磁性(在高于“尼尔温度”时会转变为顺磁状态)。另有更广义的相关用法(如反铁磁序/反铁磁体)。

发音 Pronunciation

/ntifromntzm/

例句 Examples

Antiferromagnetism is common in some metal oxides.
反铁磁性在一些金属氧化物中很常见。

Below the Néel temperature, antiferromagnetism can produce an ordered spin structure that cancels the material’s net magnetization.
在尼尔温度以下,反铁磁性会形成有序的自旋结构,从而抵消材料的净磁化强度。

词源 Etymology

该词由 **anti-**(“反、对抗”)+ **ferro-**(源自拉丁语 ferrum,“铁”;在磁学里常指“铁磁”相关)+ magnetism(“磁性”)构成。字面可理解为“与铁磁相反的磁性”,用来描述自旋排列相互抵消、不同于铁磁体同向排列的现象。

相关词 Related Words

文学作品中的用例 Literary Works

  • Introduction to Solid State Physics(Charles Kittel)在讨论磁有序与交换作用时系统介绍反铁磁性与尼尔温度。
  • Solid State Physics(Neil W. Ashcroft & N. David Mermin)在磁性章节中讲解反铁磁体、自旋结构与实验现象。
  • Magnetism in Condensed Matter(Stephen Blundell)以教学性的方式涵盖反铁磁性、模型与材料实例。
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