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Magnetic symmetry dependent wall domain motion mechanisms in two-dimensional ferromagnetic systems
- Magnetic symmetry dependent wall domain motion mechanisms in two-dimensional ferromagnetic systems
- Ryu, KS[Ryu, Kwang-Su]; Shin, SC[Shin, Sung-Chul]
- DGIST Authors
- Shin, SC[Shin, Sung-Chul]
- Issue Date
- Journal of Applied Physics, 121(1)
- Article Type
- Domain Motions; Domain Wall Motion; Domain Walls; Ferromagnetic Materials; Ferromagnetic Systems; Ferromagnetism; Magnetic Domains; Magnetic Symmetry; Motion Mechanisms; Stochastic Behavior; Stochastic Systems; Systematic Changes; Thermally Activated Behavior
- 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).
- American Institute of Physics Publishing
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