V2EX ferrimagnetic

Ferrimagnetic

释义 Definition

亚铁磁的:一种磁性状态/材料特性。材料内部不同磁矩(常来自不同原子或晶格子结构)倾向于反向排列,但两者大小不完全相等,因此会留下净磁化强度(整体仍表现为“有磁性”)。常见于某些铁氧体材料。(相关概念:铁磁、反铁磁)

发音 Pronunciation (IPA)

/frmntk/

例句 Examples

Ferrimagnetic materials are often used in transformer cores.
亚铁磁材料常用于变压器铁芯。

Because the sublattices oppose each other but do not cancel completely, a ferrimagnetic crystal can still show strong magnetization below its ordering temperature.
由于不同子晶格的磁矩相互反向但未能完全抵消,亚铁磁晶体在其有序温度以下仍可能表现出较强的磁化。

词源 Etymology

ferri- 来自拉丁语 ferrum(“铁”),常用于与铁或含铁材料相关的科学词汇;magnetic 源自希腊语 magnētis(“磁石”)相关词根。ferrimagnetic 用来描述一类“类似铁磁、但内部存在反向耦合且不完全抵消”的磁性行为,这一术语在20世纪固体物理与材料科学发展中逐渐固定下来,尤其于讨论铁氧体(ferrites)等材料。

相关词 Related Words

文学与典籍出现 Literary Works

  • Introduction to Magnetic Materials(B. D. Cullity & C. D. Graham):在磁性分类与铁氧体章节中系统讨论 ferrimagnetic 行为。
  • Solid State Physics(N. W. Ashcroft & N. D. Mermin):在磁序与交换相互作用相关内容中提及亚铁磁与反铁磁的对比。
  • Principles of the Theory of Solids(J. M. Ziman):在固体磁性与晶格相互作用的讨论中出现该术语。
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