Magnetization reversal study of CoCrPt alloy thin films on a nanogranular-length scale using magnetic transmission soft x-ray microscopy

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We have investigated element-specific magnetization reversal behavior of (Co83Cr17)(87)Pt-13 alloy thin films with a lateral resolution of 35-nm using magnetic transmission soft x-ray microscopy. We report that the magnetization switching is carried out by a random nucleation process that can be attributed to individual grains. We found evidence of a large distribution of the switching fields at the nanogranular-length scale, which has to be considered seriously for applications of CoCrPt systems as high-density magnetic storage materials. (C) 2003 American Institute of Physics.
Publisher
AMER INST PHYSICS
Issue Date
2003-12
Language
English
Article Type
Article
Keywords

NM SPATIAL-RESOLUTION; PERPENDICULAR ANISOTROPY; CO; MEDIA; DOMAINS

Citation

APPLIED PHYSICS LETTERS, v.83, pp.4589 - 4591

ISSN
0003-6951
URI
http://hdl.handle.net/10203/13416
Appears in Collection
RIMS Journal Papers
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