The Role of Magnetic Vortex Formation in Chains of Spherical FeNi Nanoparticles: A Micromagnetics Study

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概要

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• Magnetic remanent states and magnetization reversal mechanisms in linear chains of three closely-spaced Fe1-xNix nanoparticles are studied using micromagnetic simulations, for particle sizes of between 10 and 150 nm. The role of the formation and switching of magnetic vortices in the particles is demonstrated for external fields applied parallel to the chain axes. Variations in vortex core diameter, coercivity and vortex rotation plane with applied field are discussed.

• 2009-10-25

著者

• Dunin-Borkowski Rafal

  Center for Electron Nanoscopy, Technical University of Denmark, DK-2800, Lyngby, Denmark

• Kasama Takeshi

  Center for Electron Nanoscopy, Technical University of Denmark, DK-2800, Lyngby, Denmark

• Barpanda Prabeer

  Department of Materials Science and Engineering, Rutgers University, Piscataway, NJ 08854, U.S.A.

• Scheinfein Michael

  Department of Physics, Simon Fraser University, Burnaby, BC V5A1S6, Canada

関連論文

• The Role of Magnetic Vortex Formation in Chains of Spherical FeNi Nanoparticles: A Micromagnetics Study

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