Abstract
The magnetic field due to surface charge distorts the internal structure of domain walls in films as compared to those in an infinite medium. In the midplane of the film the wall magnetization is parallel to the wall plane (for stationary walls), but near the film surface it is ``twisted'' into a direction that can be almost perpendicular to the wall plane. The width and energy of such walls and the twist angle have been calculated by a variational method for uniaxial anisotropy and stationary plane walls. For very thick films (film thickness » wall width in an infinite medium) the reciprocal wall width and the wall energy are smaller than the values for an untwisted wall by approximately a factor of (1−0.65σ)1/2, where σ=4πM0/Ha, M0 is the saturation magnetization, and Ha the uniaxial anisotropy field. For very thin films they are smaller by a factor of (1−σ)1/2.
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Dates
Type | When |
---|---|
Created | 21 years, 7 months ago (Feb. 4, 2004, 12:26 p.m.) |
Deposited | 1 year, 7 months ago (Feb. 1, 2024, 11:41 p.m.) |
Indexed | 1 year ago (Sept. 4, 2024, 8:22 a.m.) |
Issued | 52 years, 5 months ago (April 1, 1973) |
Published | 52 years, 5 months ago (April 1, 1973) |
Published Print | 52 years, 5 months ago (April 1, 1973) |
@article{Schl_mann_1973, title={Domain walls in bubble films. I. General theory of static properties}, volume={44}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.1662460}, DOI={10.1063/1.1662460}, number={4}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Schlömann, Ernst}, year={1973}, month=apr, pages={1837–1849} }