Finite element calculations on the single-domain limit of a ferromagnetic cube—a solution to μMAG Standard Problem No. 3

Riccardo Hertel, Helmut Kronmüller
<span title="">2002</span> <i title="Elsevier BV"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/udrtbyq5wfgvjh6vw44n6f3vki" style="color: black;">Journal of Magnetism and Magnetic Materials</a> </i> &nbsp;
Zero field states of the magnetization in a uniaxial ferromagnetic sample of cubic shape are calculated by means of micromagnetic finite element modeling. With increasing size the minimum energy arrangement changes from a singledomain configuration (flower state) to a vortex configuration. An intermediate arrangement (twisted flower state) between the flower state and the vortex state is observed. A further magnetization state resulting in the calculation is a vortex state with a singularity of
more &raquo; ... the directional field of the magnetization. This work provides our solution to the micromagnetic Standard Problem No. 3 posed by the mMAG micromagnetic modeling activity group at the National Institute of Standards and Technology (NIST). r
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