Biased switching in an interacting pair of magnetic particles
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AbstractThe switching dynamics in a pair of coupled magnetic particles is studied numerically via the Landau-Liftshitz-Gilbert form of a set of damped gyromagnetic equations. The effects of dipolar interaction between the particles, anisotropy energy, switching and a small bias field are included. Initial conditions in which the moments are parallel and antiparallel to each other are considered. The presence of a small transverse bias field and inter-particle coupling assists in the switching of a moment. Due to the complicated interplay among different factors, the switching in one particle may lead to a corresponding precession of moment in a neighboring particle. We show that different final configurations may be attained depending on the inter-particle separation and the initial configuration. (C) 2002 American Institute of Physics.
All Author(s) ListXu C, Hui PM, Zhou JH, Li ZY
Journal nameJournal of Applied Physics
Year2002
Month5
Day1
Volume Number91
Issue Number9
PublisherAMER INST PHYSICS
Pages5957 - 5961
ISSN0021-8979
eISSN1089-7550
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesPhysics; Physics, Applied; PHYSICS, APPLIED

Last updated on 2020-31-07 at 02:50