Magnetization reversal process in FePt L10 nanoparticles

S. Okamoto, N. Kikuchi, O. Kitakami, Y. Shimada

研究成果: Article査読

11 被引用数 (Scopus)

抄録

We have studied the magnetization reversals of FePt L10 particles. Lithographically fabricated single FePt particles and well isolated epitaxial FePt L10 nanoparticles have been investigated for a wide range of particle diameters D. Careful analyses of the experiments have revealed that for particles larger than 20 nm the magnetization reversal behaviors are governed by either nucleation or expansion of a reversed domain depending on the temperature, and the coherent rotation mode becomes dominant for D < 20 nm.

本文言語English
ページ(範囲)395-401
ページ数7
ジャーナルScripta Materialia
53
4
DOI
出版ステータスPublished - 2005 8
外部発表はい

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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