期刊
APPLIED PHYSICS LETTERS
卷 96, 期 22, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3432703
关键词
lanthanum compounds; magnesium compounds; magnetoresistance; nanowires; pulsed laser deposition; strontium compounds
资金
- Ministry of Economic Affairs
- Netherlands Organization for Scientific Research (NWO)
For applications of domain wall (DW) motion in magnetic devices, it is vital to control the creation and position of the DW. We use Ga(+) irradiation of Pt/Co/Pt strips to locally change the perpendicular magnetic anisotropy. This allows us to controllably inject DWs into a device at a tunable field. The observed initial linear decrease and subsequent increase in the DW injection field upon increasing irradiation dose are explained by micromagnetic simulations and an analytical one-dimensional model. (C) 2010 American Institute of Physics. [doi:10.1063/1.3432703]
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