A new scaling approach for the mesoscale simulation of magnetic domain structures using Monte Carlo simulations

B. Radhakrishnan; M. Eisenbach; T. A. Burress

doi:10.1016/j.jmmm.2017.01.064

A new scaling approach for the mesoscale simulation of magnetic domain structures using Monte Carlo simulations

B. Radhakrishnan, M. Eisenbach, T. A. Burress

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A new scaling approach has been proposed for the spin exchange and the dipole–dipole interaction energy as a function of the system size. The computed scaling laws are used in atomistic Monte Carlo simulations of magnetic moment evolution to predict the transition from single domain to a vortex structure as the system size increases. The width of a 180° – domain wall extracted from the simulated structures is in close agreement with experimentally values for an F–Si alloy. The transition size from a single domain to a vortex structure is also in close agreement with theoretically predicted and experimentally measured values for Fe.

Original language	English
Pages (from-to)	42-48
Number of pages	7
Journal	Journal of Magnetism and Magnetic Materials
Volume	432
DOIs	https://doi.org/10.1016/j.jmmm.2017.01.064
State	Published - Jun 15 2017

Funding

This research was sponsored by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Office, under contract DE-AC05-00OR22725 with UT-Battelle, LLC. This research used resources of the Oak Ridge Leadership Computing Facility, which is a DOE Office of Science User Facility supported under Contract DE-AC05-00OR22725.

Funders	Funder number
Office of Energy Efficiency and Renewable Energy, Vehicle Technologies Office	DE-AC05-00OR22725
U.S. Department of Energy
Office of Science

Keywords

Domain
Monte Carlo
Scaling
Simulation

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10.1016/j.jmmm.2017.01.064

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abstract = "A new scaling approach has been proposed for the spin exchange and the dipole–dipole interaction energy as a function of the system size. The computed scaling laws are used in atomistic Monte Carlo simulations of magnetic moment evolution to predict the transition from single domain to a vortex structure as the system size increases. The width of a 180° – domain wall extracted from the simulated structures is in close agreement with experimentally values for an F–Si alloy. The transition size from a single domain to a vortex structure is also in close agreement with theoretically predicted and experimentally measured values for Fe.",

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AU - Eisenbach, M.

AU - Burress, T. A.

PY - 2017/6/15

Y1 - 2017/6/15

N2 - A new scaling approach has been proposed for the spin exchange and the dipole–dipole interaction energy as a function of the system size. The computed scaling laws are used in atomistic Monte Carlo simulations of magnetic moment evolution to predict the transition from single domain to a vortex structure as the system size increases. The width of a 180° – domain wall extracted from the simulated structures is in close agreement with experimentally values for an F–Si alloy. The transition size from a single domain to a vortex structure is also in close agreement with theoretically predicted and experimentally measured values for Fe.

AB - A new scaling approach has been proposed for the spin exchange and the dipole–dipole interaction energy as a function of the system size. The computed scaling laws are used in atomistic Monte Carlo simulations of magnetic moment evolution to predict the transition from single domain to a vortex structure as the system size increases. The width of a 180° – domain wall extracted from the simulated structures is in close agreement with experimentally values for an F–Si alloy. The transition size from a single domain to a vortex structure is also in close agreement with theoretically predicted and experimentally measured values for Fe.

KW - Domain

KW - Monte Carlo

KW - Scaling

KW - Simulation

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JO - Journal of Magnetism and Magnetic Materials

JF - Journal of Magnetism and Magnetic Materials

ER -

A new scaling approach for the mesoscale simulation of magnetic domain structures using Monte Carlo simulations

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Keywords

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