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dc.contributor.author | Liu, J. Ping | |
dc.contributor.author | Rong, Chuan-Bing | |
dc.contributor.author | Nandwana, Vikas | |
dc.contributor.author | Poudyal, Narayan | |
dc.contributor.author | Chaubey, Girija S. | |
dc.date.accessioned | 2010-08-23T19:26:16Z | |
dc.date.available | 2010-08-23T19:26:16Z | |
dc.date.issued | 2009-07 | |
dc.identifier.citation | IEEE Transactions on Nanotechnology 8.4 (2009):437-443 | en_US |
dc.identifier.issn | 1536-125X | |
dc.identifier.uri | http://hdl.handle.net/10106/5028 | |
dc.description | Manuscript received December 16, 2008; revised February 24, 2009. First
published March 31, 2009; current version published July 9, 2009. | en_US |
dc.description.abstract | Isolated monodisperseL10 FePt nanoparticles coated
by carbon were obtained by adding enough surfactants that decomposed
into carbon after the chemical synthesis and postannealing
of the A1 FePt nanoparticles. The effect of isolation between FePt
nanoparticles on the phase transition temperature and magnetic
properties has been studied systematically by thermal, magnetic,
and structural characterizations and analyses. It was found that
the A1 to L10 phase transition temperature is dependent sensitively
on the amount of isolation medium. The transition temperature
shift reaches 150–200 ◦C from nonisolated particle assemblies
to completely isolated particles, which may be attributed to the
high activation energy of the phase transformation for the isolated
particles. | en_US |
dc.description.sponsorship | This work
was supported by the US Department of Defense (DoD)/Multidisciplinary University
Research Initiative (MURI) Grant N00014-05-1-0497, and by the Center
of Nanostructured Materials and Characterization Center for Materials and Biology
at the University of Texas at Arlington. | en_US |
dc.language.iso | en_US | en_US |
dc.publisher | IEEE Xplore | en_US |
dc.publisher | IEEE | en_US |
dc.subject | Isolated L10 FePt nanoparticles | en_US |
dc.subject | Magnetic hardening | en_US |
dc.subject | Magnetocrystalline anisotropy | en_US |
dc.subject | Phase transformation | en_US |
dc.title | Phase Transformation and Magnetic Hardening in Isolated FePt Nanoparticles | en_US |
dc.type | Article | en_US |
dc.publisher.department | Department of Physics, The University of Texas at Arlington | en_US |
dc.identifier.externalLink | https://www.uta.edu/ra/real/editprofile.php?pid=4898&onlyview=1 | en_US |
dc.identifier.externalLinkDescription | Link to Research Profiles | en_US |
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