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Implementation of Two-Dimensional Polycrystalline Grains in Object Oriented Micromagnetic Framework

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Author(s): Lau, J. W. | McMichael, R. D. | Donahue, M. J.

Journal: Journal of Research of the National Institute of Standards and Technology
ISSN 1044-677X

Volume: 114;
Issue: 1;
Start page: 57;
Date: 2009;
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Keywords: exchange coupling | magnetocrystalline anisotropy | micromagnetics | polycrystal

ABSTRACT
In response to the growing need for a more accurate micromagnetic model to understand switching phenomenon in nanoscale magnets, we developed the capability to simulate two-dimensional polycrystalline grains using the Object Oriented Micromagnetic Framework (OOMMF). This addition allows users full flexibility in determining the magnetocrystalline anisotropy and axe in each grain as well as the inter- and intragranular exchange coupling strength.
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