Journal
APPLIED PHYSICS LETTERS
Volume 97, Issue 2, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3463458
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Funding
- National Basic Research Program of China (973 program) [2009CB929201, 2010CB934202]
- National Natural Sciences Foundation of China [503931006, 50721001, 10774179]
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We report an investigation on magnetic anisotropy of Co/Si(111) films deposited at oblique incidence. An in-plane uniaxial magnetic anisotropy (UMA) with the easy axis perpendicular to the incident flux plane was observed to superimpose on sixfold magnetocrystalline anisotropy of Co films. We built a total energy model to investigate the magnetization reversal mechanism around hard axis. The simulated value of UMA is K(u) = 1.7 X 10(5) erg/cm(3), which is consistent with K(shape) = 1.1 X 10(5) erg/cm(3) calculated from scanning tunneling microscope image. This good agreement suggests the in-plane UMA is mainly originated from the shape of the oblique deposited Co stripes. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3463458]
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