Critical Velocity and Mass of Domain Walls in Thin Magnetic Films
- 1 March 1972
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 20 (5) , 190-192
- https://doi.org/10.1063/1.1654103
Abstract
The structure of moving domain walls in thin films having a uniaxial anisotropy axis in the plane of the film is calculated by a variational method. The calculation applies for wall velocities ν smaller than a critical velocity at which the derivative of the wall energy with respect to ν becomes infinite. At intermediate film thicknesses the critical velocity is much smaller, the effective wall mass (per unit area) much larger than for bulk crystals and/or very thin films.Keywords
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