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Magnetic Configurations in Co/Cu Multilayered Nanowires: Evidence of Structural and Magnetic Interplay
- Source :
- Nano Letters, Nano Letters, American Chemical Society, 2016, 16, pp.1230-1236. ⟨10.1021/acs.nanolett.5b04553⟩, Nano Letters, 2016, 16, pp.1230-1236. ⟨10.1021/acs.nanolett.5b04553⟩
- Publication Year :
- 2016
- Publisher :
- HAL CCSD, 2016.
-
Abstract
- International audience; Off-axis electron holography experiments have been combined with micromagnetic simulations to study the remnant magnetic states of electrodeposited Co/Cu multilayered nanocylinders. Structural and chemical data obtained by transmission electron microscopy have been introduced in the simulations. Three different magnetic configurations such as an antiparallel coupling of the Co layers, coupled vortices, and a monodomain-like state have been quantitatively mapped and simulated. While most of the wires present the same remnant state whatever the direction of the saturation field, we show that some layers can present a change from an antiparallel coupling to vortices. Such a configuration can be of particular interest to design nano-oscillators with two different working frequencies.
- Subjects :
- Materials science
electron holography
Nanowire
antiparallel coupling
Bioengineering
Nanotechnology
02 engineering and technology
Micromagnetic
01 natural sciences
Electron holography
magnetic configuration
vortex state
0103 physical sciences
General Materials Science
[PHYS.COND]Physics [physics]/Condensed Matter [cond-mat]
Saturation (magnetic)
micromagnetic simulation
010302 applied physics
[PHYS]Physics [physics]
Condensed matter physics
Nanowires
Mechanical Engineering
Chemical data
General Chemistry
021001 nanoscience & nanotechnology
Condensed Matter Physics
Vortex state
Vortex
electrodeposited
Transmission electron microscopy
nanowire
magnetic materials
0210 nano-technology
Antiparallel (electronics)
Subjects
Details
- Language :
- English
- ISSN :
- 15306984 and 15306992
- Database :
- OpenAIRE
- Journal :
- Nano Letters, Nano Letters, American Chemical Society, 2016, 16, pp.1230-1236. ⟨10.1021/acs.nanolett.5b04553⟩, Nano Letters, 2016, 16, pp.1230-1236. ⟨10.1021/acs.nanolett.5b04553⟩
- Accession number :
- edsair.doi.dedup.....c0ad4909af6e2b2e2e69ffb4030ff28d