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American Institute of Physics, Applied Physics Letters, 17(100), p. 172404

DOI: 10.1063/1.4704665

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Phase diagram of magnetic domain walls in spin valve nano-stripes

Journal article published in 2012 by Nicolas Rougemaille, Vojtech Uhlíř, Olivier Fruchart ORCID, Stefania Pizzini, Jan Vogel ORCID, Jean-Christophe Toussaint ORCID
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We investigate numerically the transverse versus vortex phase diagram of head-to-head domain walls in Co/Cu/Py spin valve nano-stripes (Py: permalloy), in which the Co layer is mostly single domain while the Py layer hosts the domain wall. The range of stability of the transverse wall is shifted towards larger thickness compared to single Py layers, due to a magnetostatic screening effect between the two layers. An approached analytical scaling law is derived, which reproduces faithfully the phase diagram.