Science Advances
Supplementary Materials
This PDF file includes:
- Supplementary Text
- fig. S1. Schematic illustration of basic parameters used in the Q2D model for
current driven domain wall motion.
- fig. S2. Profile of anisotropy constant Keff(q) with Keff0 = 3.5 × 106 erg/cm3, η = 0.03, qs = 0 nm, and q0 = 10 nm.
- fig. S3. Modeling of thermal broadening.
- fig. S4. Schematic of current distribution in curved wire with width w and mid-radius R.
- fig. S5. Plots of Q2D model calculation results that take neither nonuniform
current distribution nor pinning and thermal fluctuation into account.
- fig. S6. Radial dependence of DW velocities transverse to the curve wire direction.
- fig. S7. Plots of Q2D model calculation results that take pinning and thermal
fluctuation but no nonuniform current distribution into account.
- fig. S8. Plots of time-resolved Q2D model calculation results that take pinning
and thermal fluctuation but no nonuniform current distribution into account.
- fig. S9. Plots of Q2D model calculation results that take nonuniform current
distribution and pinning, but no thermal fluctuation into account.
- fig. S10. Plots of Q2D model calculation results that take nonuniform current
distribution, pinning, and thermal fluctuation into account for various radii while
width is fixed.
- fig. S11. Plots of Q2D model calculation results that take nonuniform current
distribution, pinning, and thermal fluctuation into account for various widths
while the radius is fixed.
- fig. S12. Plots of time-resolved Q2D model calculation results that take pinning
and thermal fluctuation but no nonuniform current distribution into account.
- fig. S13. Comparison of micromagnetic simulations and Q2D model.
- fig. S14. Unabridged Kerr images corresponding to the main text.
- fig. S15. Schematic table outlines the relationship between the effect of curvature
on the DW velocity (⊙ | ⊗ or ⊗ | ⊙), which is found to be independent of the sign
of DMI or SHE.
- fig. S16. v against J of the quasi-2D model calculation results that take nonuniform current distribution,
pinning, and thermal fluctuation into account for R = 100, 150, and 175 nm while w is fixed at 50 nm.
- Legend for movie S1
- References (33–36)
Other Supplementary Material for this manuscript includes the following:
- movie S1 (.avi format). Animation of Q2D calculation of time resolved DW motion in curved nanowires with positive curvatures for various radii and widths.
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