...The size of magnetic domains ranges from 10-4 cm for small ones to about 1 cm for large ones. The existence of magnetic domains is said to have been predicted by P. Weiss in 1907, but their existence was not experimentally demonstrated for the first time in 1931 by American Francis Bitter (1902-67), and theoretical research was started by LD Landau and EM Lifshitz (1935). Factors that determine the magnetic domain structure include magnetostatic energy, magnetocrystalline anisotropy energy, and magnetostriction. *Some of the terminology that mentions "Bitter, F." is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…磁区の大きさは小さいもので10-4cm,大きいもので1cm程度である。 磁区の存在は1907年P.ワイスによって予想されていたといわれるが,実験的には31年アメリカのビッターFrancis Bitter(1902‐67)により初めてその存在が示され,理論的研究はL.D.ランダウとE.M.リフシッツにより始められた(1935)。 磁区構造を定める要因には静磁エネルギー,結晶磁気異方性エネルギー,磁歪(じわい)などがある。… ※「Bitter,F.」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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