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Domain wall pinning in a circular cross-section wire with modulated diameter

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Academic year: 2021

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Figure 2: (a) Micromagnetic distribution of longitudinal magnetization for the transverse-like head-to-head domain wall for radius R 1 = 5 nm and R 2 = 10 nm, obtained numerically using equation (1)
Figure 3: (a) Type of modulation geometry considered and (b) corresponding energy of the domain wall E 0 vs
Figure 4: Schematics of magnetic charges distribution in (a) uniformly mag- mag-netized cylindrical wire, (b) cylindrical wire with head-to-head domain wall and (c) modulated diameter nanowire with head-to-head domain wall placed in the thinner part
Figure 5: Magnetic potential φ m distribution for different positions of the head-to-head domain wall
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