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- Title
MAGNETO-OPTIC FARADAY EFFECT ON SPIN ANISOTROPIC ULTRATHIN FILMS AND POST-NITRIDIZATION ON (002) CRYSTAL.
- Authors
SU, C. W.; CHANG, S. C.; CHANG, Y. C.
- Abstract
Perpendicular magnetic anisotropy in the initial growth of epitaxial in-plane anisotropic ultrathin films on the (002) crystal surface was discovered. The critical thickness of weak spin reorientation transition phenomenon in deposition process from in-plane to out-of-plane magnetic anisotropy is around 2 nm. Ultrathin 1.2 nm film was stabilized by post-irradiation of low-energy ions from the observation of hysteresis loop transforming from an S-shape soft magnetic state to a square hard magnetic state. The addition of affected the magnetic behavior. The time-dependent nitridization process was observed using Auger electron spectroscopy. Magneto-optical Faraday effect measurements were used to observe the magnetic properties of high-transmission (002) and (002) surface. A strong polar magneto-optic Faraday effect was dominated in the 2.0-4.0 nm (002) surfaces. From the implantation that reduces the corresponding coercivity, a hexagonal c-axis lattice structure of with a preferred perpendicular anisotropy on the (002) surface may be explained.
- Publication
SPIN (2010-3247), 2012, Vol 2, Issue 4, p-1
- ISSN
2010-3247
- Publication type
Article
- DOI
10.1142/S2010324712500178