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Magnetic symmetry dependent wall domain motion mechanisms in two-dimensional ferromagnetic systems

Title
Magnetic symmetry dependent wall domain motion mechanisms in two-dimensional ferromagnetic systems
Authors
Ryu, KS[Ryu, Kwang-Su]Shin, SC[Shin, Sung-Chul]
DGIST Authors
Shin, SC[Shin, Sung-Chul]
Issue Date
2017-01-07
Citation
Journal of Applied Physics, 121(1)
Type
Article
Article Type
Article
Keywords
Domain MotionsDomain Wall MotionDomain WallsFerromagnetic MaterialsFerromagnetic SystemsFerromagnetismMagnetic DomainsMagnetic SymmetryMotion MechanismsStochastic BehaviorStochastic SystemsSystematic ChangesThermally Activated Behavior
ISSN
0021-8979
Abstract
We report the systematic change of the domain wall (DW) motion mechanism depending on the ratio of composition x in two-dimensional Co1-xFex ferromagnetic systems (0.0 ≤ x ≤ 1.0) by means of the direct domain observation. Interestingly, as the Fe composition x increases, the DW motion mechanism becomes changed from the stochastic behavior with random DW sizes to the thermally activated behavior with specific DW sizes. This result could be understood by the change of the magnetic angular symmetry from a 2-fold one to a 4-fold one with increasing the Fe composition, responsible for the change of the DW type. © 2017 Author(s).
URI
http://hdl.handle.net/20.500.11750/2052
DOI
10.1063/1.4966123
Publisher
American Institute of Physics Publishing
Files:
There are no files associated with this item.
Collection:
Emerging Materials ScienceETC1. Journal Articles


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