Exchange-coupled FePt nanoparticle assembly
β Scribed by Zeng, Hao; Sun, Shouheng; Vedantam, T. S.; Liu, J. P.; Dai, Z.-R.; Wang, Z.-L.
- Book ID
- 120552258
- Publisher
- American Institute of Physics
- Year
- 2002
- Tongue
- English
- Weight
- 442 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0003-6951
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Exchange-spring magnets are nanocomposites that are composed of magnetically hard and soft phases that interact by magnetic exchange coupling. Such systems are promising for advanced permanent magnetic applications, as they have a large energy product--the combination of permanent magnet field and m
## Abstract In this study, the structural and magnetic properties of exchange coupled nanocomposite FePtβFePt~3~ films were investigated. Xβray diffraction and transmission electron microscopy results showed that after rapid thermal annealing (600 Β°C for 6 minutes), a phase transformation from [Pt+