Antiferromagnetism

Japanese: antiferromagnetism
Antiferromagnetism

...When the temperature rises and the thermal energy becomes greater than the energy gain of this exchange interaction, a transition from ferromagnetism to paramagnetism occurs.
[Antiferromagnetism, ferrimagnetism]
In a localized electron system, the effect of the Heisenberg exchange interaction between the magnetic moments of atoms is generally not simple. It is known that the arrangement of magnetic moments that lowers the energy of the exchange interaction is not only that which gives ferromagnetism as mentioned above, but is more complicated than that. …

*Some of the terminology explanations that mention "antiferromagnetism" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…温度が上昇して熱エネルギーがこの交換相互作用のエネルギーの得よりも大きくなった場合やはり強磁性から常磁性への転移をする。
[反強磁性antiferromagnetism,フェリ磁性ferrimagnetism]
 局在電子系において,原子の磁気モーメントの間に働くハイゼンベルク型交換相互作用の効果は,一般には単純ではない。交換相互作用のエネルギーを低くするような磁気モーメントの配列は,先に述べた強磁性を与えるものだけではなく,もっと複雑であることが知られている。…

※「antiferromagnetism」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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