…Normally, the temperature change of spontaneous magnetization is monotonic, and its magnitude increases as the temperature decreases. The magnitude of spontaneous magnetization at absolute zero is an important quantity related to the way in which the magnetic moments of electrons are aligned, and therefore the origin of ferromagnetism. The temperature change of spontaneous magnetization is also important as a quantity (order parameter) that represents the degree of order in the ferromagnetic phase transition. Magnetism [Akio Yoshimori]. … *Some of the terminology that refers to "order parameters" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…通常,自発磁化の温度変化は単調で,温度が下がればその大きさは増加する。絶対0度での自発磁化の大きさは電子の磁気モーメントがどのように向きをそろえているかということ,したがって強磁性の発現の起源に関連して重要な量であり,また自発磁化の温度変化は強磁性相転移の秩序度を表す量(オーダーパラメーター)として重要である。磁性【吉森 昭夫】。… ※「オーダーパラメーター」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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