Abstract
Multifunctional Au0.5Fe0.5 alloy nanoparticles from a polyol process were investigated, showing the alloy nanostructures with the formation of a new phase and twin microstructures. Giant diamagnetism, on the order of -10-2 emu g-1 Oe-1, is observed in the zero-field cooled process of the nanoparticles, which is modeled in terms of the spin-orbital interactions tuned by the modified potential energy as a result of the shrinking dimension, peculiar disordered microstructure, and heterogeneous elemental composition.
Original language | English |
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Article number | 4957807 |
Pages (from-to) | 2442-2445 |
Number of pages | 4 |
Journal | IEEE Transactions on Magnetics |
Volume | 45 |
Issue number | 6 |
DOIs | |
Publication status | Published - 2009 Jun |
Bibliographical note
Funding Information:This work was supported in part by the Korea Science and Engineering Foundation through the National Research Laboratory Program (No. M10500000105-05J0000-10510), in part by the Pioneer Research Center Program (No. M10711160001-08M1116-00110), and in part by the Seoul R&BD Program (No. 10920).
Keywords
- AuFe
- Giant diamagnetism
- Nanoparticle
- Potential energy
- Spin-orbital interaction
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Electrical and Electronic Engineering