V2EX antiferromagnetic

Antiferromagnetic

Definition|释义

(物理/材料)反铁磁的:指一种磁性状态或材料,其中相邻原子/离子的磁矩(自旋)反向排列并大体互相抵消,因此整体表现为几乎没有净磁化强度(在外磁场下仍可有响应)。也可指“具有反铁磁性质的”。

Pronunciation|发音

/ntafromntk/

Examples|例句

Antiferromagnetic materials often show little or no magnetization without an external field.
反铁磁材料在没有外加磁场时通常几乎不表现出磁化。

Below the Néel temperature, the crystal becomes antiferromagnetic, with spins aligned in alternating directions across the lattice.
在尼尔温度以下,晶体会变成反铁磁状态,晶格中自旋以交替方向排列。

Etymology|词源

**anti-**(“反、对抗”)+ **ferro-**(来自拉丁语 ferrum,“铁”,在磁学里常指“铁磁/强磁性”相关)+ magnetic(“磁的”)。字面可理解为“与铁磁(同向排列产生强净磁矩)相反的磁性排列”,用来描述自旋反向交替、净磁矩趋于抵消的体系。

Related Words|相关词汇

Literary Works|作品中的出现

  • Introduction to Solid State Physics(Charles Kittel)
  • Solid State Physics(Ashcroft & Mermin)
  • Principles of Condensed Matter Physics(P. M. Chaikin & T. C. Lubensky)
  • Magnetism in Condensed Matter(Stephen Blundell)
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