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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Anisotropy energy ： ウィキペディア英語版 Anisotropy energy Anisotropic energy is energy that is directionally specific. The word anisotropy means "directionally dependent", hence the definition. The most common form of anisotropic energy is magnetocrystalline anisotropy, which is commonly studied in ferrimagnets. In ferrimagnets, there are islands or domains of atoms that are all coordinated in a certain direction; this spontaneous positioning is often called the "easy" direction, indicating that this is the lowest energy state for these atoms. In order to study magnetocrystalline anisotropy, energy (usually in the form of an electric current) is applied to the domain, which causes the crystals to deflect from the "easy" to "hard" positions. The energy required to do this is defined as the anisotropic energy. The easy and hard alignments and their relative energies are due to the interaction between spin magnetic moment of each atom and the crystal lattice of the compound being studied. One of the many projects currently researching this phenomenon is directed by Stefan Krause and Roland Wiesendanger of the University of Hamburg. Using spin-polarized scanning tunnelling microscopes they are observing the effect upon the macrospin states of domains by passing a spin-polarized current through the atoms, and observing their alignment and how long they maintain their spin state. ==See also== *Magnetic anisotropy 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Anisotropy energy」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.