High-resolution observation of magnetization processes in 2 μm × 2 μm × 0.04 μm permalloy particles

K. Runge, Y. Nozaki, Y. Otani, H. Miyajima, B. Pannetier, T. Matsuda, A. Tonomura

研究成果: Article査読

39 被引用数 (Scopus)

抄録

The magnetization process in an array of 2 μm × 2 μm × 0.04 μm permalloy particles fabricated on a 100 nm carbon membrane was investigated by means of high-resolution Lorentz microscopy and electron holography in magnetic fields parallel and perpendicular to the film surface. For perpendicular fields, the magnetization reversal was found to begin with the nucleation of a vortex which gradually transformed into a closure domain configuration. At the remanent state, the flux closure was achieved with the generation of a new type of doubled domain wall.

本文言語English
ページ(範囲)5075-5077
ページ数3
ジャーナルJournal of Applied Physics
79
8 PART 2A
DOI
出版ステータスPublished - 1996 4月 15

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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