Head-to-head domain walls in one-dimensional nanostructures
An extended phase diagram ranging from strips to cylindrical wires
S. Jamet; N. Rougemaille; J.C. Toussaint; O. Fruchart Université Grenoble Alpes, Institut NEEL, Grenoble, FranceCNRS, Institut NEEL, Grenoble, France
Abstract
So far magnetic domain walls in one-dimensional structures have been described theoretically only in the cases of flat strips, or cylindrical structures with a compact cross-section, either square or disk. Here we describe an extended phase diagram unifying the two pictures, extensively covering the (width, thickness) space. It is derived on the basis of symmetry and phase-transition arguments and micromagnetic simulations. A simple classification of all ...
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