V2EX ferromagnet

Ferromagnet

释义 Definition

铁磁体:一种材料或物体,能在外加磁场作用下被强烈磁化,并且在磁场移除后仍能保留明显的剩磁(持久磁性)。常见于铁、钴、镍及其某些合金。(该词在物理语境中最常用;相关概念还包括顺磁、抗磁等。)

发音 Pronunciation

/fromnt/

例句 Examples

A ferromagnet can stay magnetized after the field is removed.
铁磁体在外加磁场移除后仍可能保持磁化状态。

Unlike a paramagnet, a ferromagnet exhibits strong, long-range magnetic ordering that can persist as remanence.
与顺磁体不同,铁磁体具有强烈的、长程的磁有序性,并可能以剩磁的形式持续存在。

词源 Etymology

ferromagnet 由 **ferro-**(表示“铁”,源自拉丁语 ferrum,意为“铁”)与 magnet(“磁体/磁铁”)组合而成,字面意思是“与铁相关的磁体”。在现代科学语境中,它专指具有铁磁性、能形成稳定磁畴排列的材料。

相关词 Related Words

文学与著作 Literary Works

  • Introduction to Electrodynamics(David J. Griffiths):在讨论磁化强度、磁介质时涉及铁磁体与相关模型。
  • Solid State Physics(Neil W. Ashcroft & N. David Mermin):在固体磁性章节系统讨论铁磁体、磁畴与交换作用。
  • The Feynman Lectures on Physics(Richard P. Feynman):在讲解物质的磁性时提到铁磁材料与宏观磁现象。
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