Structure of Magnetic Domain Wall in Cylindrical Microwire

Metastable magnetic domain walls in cylindrical nanowires

The stability of the asymmetric domain wall (ATDW) in soft magnetic cylindrical nanowires and nanotubes is investigated using micromagnetic simulations. Our calculated phase diagram shows that for cylindrical permalloy nanowires, the transverse domain wall (TDW) is the ground state for radii below 20 nm whilst the Bloch point wall (BPW) is favoured in thicker wires. The ATDW stabilises only as ...

Engineering Magnetic Domain-Wall Structure in Permalloy Nanowires

Metastable magnetic domain wall dynamics

The dynamics of metastable magnetic domain walls in straight ferromagnetic nanowires under spin waves, external magnetic fields and currentinduced spin-transfer torque are studied by means of micromagnetic simulations. It is found that in contrast to a stable wall, it is possible to displace a metastable domain wall in the absence of external excitation. In addition, independent of the domain w...

Observation of Bloch-point domain walls in cylindrical magnetic nanowires

Domain Wall Dynamics in Magnetic Nanostructures