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dc.contributor.author | Poudyal, Narayan | |
dc.contributor.author | Chaubey, Girija Shankar | |
dc.contributor.author | Rong, Chuan-Bing | |
dc.contributor.author | Liu, J. Ping | |
dc.date.accessioned | 2010-08-10T16:16:08Z | |
dc.date.available | 2010-08-10T16:16:08Z | |
dc.date.issued | 2009-04-06 | en_US |
dc.identifier.citation | J. Appl. Phys. 105 07A749 (2009) | en_US |
dc.identifier.issn | 0021-8979 | |
dc.identifier.uri | http://hdl.handle.net/10106/4992 | |
dc.description | Preceedings of the 53rd Annual Conference on Magnetism and Magnetic Materials.Hard Magnetic Materials | en_US |
dc.description.abstract | : FePt nanocrystals were prepared by simultaneous reduction of platinum acetylacetonate and thermal decomposition of iron pentacarbonyl in properly chosen solvents/surfactants. A variety of FePt nanocrystals, including nanowires, nanorods, nanocubes, and nanosized multipods, were successfully obtained. The shape control was realized by simply varying synthesis parameters. The as-synthesized nanocrystals, having chemically disordered fcc structure, are found to be superparamagnetic at room temperature and their ferromagnetic-superparamagnetic transition temperature is size dependent that increases with particle size. The as-synthesized FePt nanocrystals were transformed to the chemically ordered L10 structure upon heat treatment, which exhibits hard magnetic properties with coercivity as high as 25 kOe. | en_US |
dc.description.sponsorship | Preceedings of the 53rd Annual Conference on Magnetism and Magnetic Materials.Hard Magnetic Materials | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | American Institute of Physics | en_US |
dc.subject | Coercive force | en_US |
dc.subject | Heat treatment | en_US |
dc.subject | Magnetic transitions | en_US |
dc.subject | Iron alloys | en_US |
dc.subject | Nanotechnology | en_US |
dc.subject | Nanowires | en_US |
dc.subject | Particle size | en_US |
dc.subject | Platinum alloys | en_US |
dc.subject | Pyrolysis | en_US |
dc.subject | Superparamagnetism | en_US |
dc.subject | Surfactants | en_US |
dc.title | Shape control of FePt nanocrystals | en_US |
dc.type | Article | en_US |
dc.publisher.department | Department of Physics, The University of Texas at Arlington | en_US |
dc.identifier.externalLink | http://link.aip.org/link/JAPIAU/v105/i7/p07A749/s1 | en_US |
dc.identifier.externalLinkDescription | External link to the published article | en_US |
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