ferromagnetism

Japanese: ferromagnetism
ferromagnetism

...In this case, the magnetic susceptibility does not change with temperature.
[Ferromagnetism]
When the Heisenberg exchange interaction described above occurs between the magnetic moments of atoms due to localized electrons, these magnetic moments do not point in any direction, but instead align themselves to lower the energy of the exchange interaction. When all the magnetic moments point in the same direction, the state is ferromagnetic. …

*Some of the terminology that mentions "ferromagnetism" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…この場合の磁化率は温度変化をしない。
[強磁性ferromagnetism]
 局在電子による原子の磁気モーメントの間に,前述のハイゼンベルク型交換相互作用が働く場合には,これらの磁気モーメントはかってな方向を向くのではなく,交換相互作用のエネルギーを低くするように配列する。磁気モーメントが全部同じ向きを向く場合が強磁性状態である。…

※「ferromagnetism」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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