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Toussaint, Jean-Christophe
Institutul Naţional al Patrimoniului
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2021Theoretical study of current-induced domain wall motion in magnetic nanotubes with azimuthal domainscitations
- 2021Theoretical study of current-induced domain wall motion in magnetic nanotubes with azimuthal domainscitations
- 2020Theoretical study of current-induced domain wall motion in magnetic nanotubes with azimuthal domains, including OErsted field and spin-transfer torques
- 2017Probing domain walls in cylindrical magnetic nanowires with electron holographycitations
- 2016Manipulating the magnetization direction of transverse domain walls in Permalloy/Ir strips using nanosecond current pulsescitations
- 2015Head-to-head domain walls in one-dimensional nanostructures: an extended phase diagram ranging from strips to cylindrical wirescitations
- 2012Phase diagram of magnetic domain walls in spin valve nano-stripescitations
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article
Probing domain walls in cylindrical magnetic nanowires with electron holography
Abstract
We probe magnetic domain walls in cylindrical soft magnetic nanowires using electron holography. We detail the modelling of expected contrast for both transverse and Bloch point domain walls and provide comparison with experimental observations performed on NiCo nanowires, involving also both magnetic and electrostatic contribution to the electron holography map. This allows the fast determination of the domain wall type without the need for uneasy and time-consuming experimental removal of the electrostatic contribution. Finally, we describe and implement a new efficient algorithm for calculating the magnetic contrast.