Reversal of Flux Closure States in Cobalt Nanoparticle Rings With Coaxial Magnetic Pulses

Author

• Takeshi Kasama, University of Cambridge
• Rafial E. Dunin-Borkowski, University of Cambridge
• Michael R. Scheinfein, Simon Fraser University
• Steven L. Tripp, Purdue University - Main Campus
• Jie Liu, Purdue University - Main CampusFollow
• Alexander Wei, Birck Nanotechnology Center, Purdue UniversityFollow

Abstract

Bistable flux closure (FC) states in Co nanoparticle rings can be switched reversibly by applying a coaxial magnetic field (H-z). The FC switching phenomena can be reproduced by micromagnetics simulations, which also reveal novel magnetic states at intermediate applied field strengths.

Keywords

FERROMAGNETIC NANORINGS; ARRAYS

Date of this Version

11-18-2008

Recommended Citation

Kasama, Takeshi; Dunin-Borkowski, Rafial E.; Scheinfein, Michael R.; Tripp, Steven L.; Liu, Jie; and Wei, Alexander, "Reversal of Flux Closure States in Cobalt Nanoparticle Rings With Coaxial Magnetic Pulses" (2008). Birck and NCN Publications. Paper 402.
https://docs.lib.purdue.edu/nanopub/402