Analysis of ultra-narrow ferromagnetic domain walls

Journal Article · Tue Jan 10 00:00:00 EST 2012 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.3672841· OSTI ID:1057564

Jenkins, Catherine; Paul, David

New materials with high magnetic anisotropy will have domains separated by ultra-narrow ferromagnetic walls with widths on the order of a few unit cells, approaching the limit where the elastic continuum approximation often used in micromagnetic simulations is accurate. The limits of this approximation are explored, and the static and dynamic interactions with intrinsic crystalline defects and external driving elds are modeled. The results developed here will be important when considering the stability of ultra-high-density storage media.

• Research Organization: Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
• Sponsoring Organization: Advanced Light Source Division
• DOE Contract Number: DE-AC02-05CH11231
• OSTI ID: 1057564
• Report Number(s): LBNL-5324E
• Journal Information: Journal of Applied Physics, Vol. 111, Issue 1; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
36 MATERIALS SCIENCE