V2EX paramagnetism

Paramagnetism

定义 Definition

顺磁性:一种磁性现象,指材料在外加磁场作用下会被弱弱吸引并产生与磁场同方向的磁化;外磁场移除后,这种磁化通常会迅速消失。常见于含有未成对电子的原子、离子或分子(如某些金属离子盐、氧气等)。
(注:与之相对的是抗磁性铁磁性等。)

例句 Examples

Paramagnetism makes aluminum weakly attracted to a strong magnet.
顺磁性会使铝在强磁体附近表现出微弱的被吸引现象。

In many salts containing transition-metal ions, paramagnetism arises from unpaired electrons, and the susceptibility often changes with temperature.
在许多含过渡金属离子的盐类中,顺磁性源于未成对电子,其磁化率往往会随温度变化而改变。

发音 Pronunciation

/prmntzm/

词源 Etymology

来自 **para-**(希腊语词根,含“旁、近、相对”之意,在科学术语中常指“与某现象相关但不同于其典型形式”)+ magnetism(磁性)。该词用于区分这类“弱吸引、随外场而现”的磁性与铁磁性等更强、更持久的磁性。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Michael Faraday 的实验与讲座文集(如 Experimental Researches in Electricity)中讨论磁性分类与相关现象,为后来的术语体系奠基。
  • J. D. Jackson, Classical Electrodynamics(《经典电动力学》)在磁化与介质响应的框架下涉及顺磁性相关表述。
  • Charles Kittel, Introduction to Solid State Physics(《固体物理导论》)在固体磁性章节中系统介绍顺磁性与温度依赖。
  • Neil W. Ashcroft & N. David Mermin, Solid State Physics(《固体物理》)对顺磁性(含泡利顺磁性等)给出经典教材级讨论。
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