Abstract
High anisotropy L1 0 ordered FePt thin films are considered to have high potential for use as high areal density recording media, beyond 1 Tera bit/in 2. In this paper, we review recent results on the synthesis and magnetic properties of L1 0 FePt nanocomposite films. Several fabrication methods have been developed to produce high-anisotropy FePt films: epitaxial and non-epitaxial growth of (001)-oriented FePt:X (X = Au, Ag, Cu, C, etc.) composite films that might be used for perpendicular media; monodispersed FePt nanocluster-assembled films grown with a gas-aggregation technique and having uniform cluster size and narrow size distribution; self-assembled FePt particles prepared with chemical synthesis by reduction/decomposition techniques, etc. The magnetic properties are controllable through variations in the nanocluster properties and nanostructure. FePt and related films show promise for development as heat-assisted magnetic recording media at extremely high areal densities. The self-assembled FePt arrays show potential for approaching the ultimate goal of single-grain-per-bit patterned media.
Original language | English (US) |
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Pages (from-to) | 206-224 |
Number of pages | 19 |
Journal | Journal of Nanoscience and Nanotechnology |
Volume | 7 |
Issue number | 1 |
State | Published - Jan 2007 |
Keywords
- FePt
- High Anisotropy
- High-Density Media
- Nanoclusters
- Self-Assembly
ASJC Scopus subject areas
- Bioengineering
- General Chemistry
- Biomedical Engineering
- General Materials Science
- Condensed Matter Physics