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Observation of L1[subscript]0-like chemical ordering in a decahedral FePt nanoparticle by C[subscript]s-corrected high resolution transmission electron microscopy

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Observation of L1[subscript]0-like chemical ordering in a decahedral FePt nanoparticle by C[subscript]s-corrected high resolution transmission electron microscopy

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dc.contributor.author Hu, Xuerang
dc.contributor.author Xie, Lin
dc.contributor.author Zhu, Jing
dc.contributor.author Poudyal, Narayan
dc.contributor.author Liu, J. Ping
dc.contributor.author Yuan, Jun
dc.date.accessioned 2010-08-12T18:12:43Z
dc.date.available 2010-08-12T18:12:43Z
dc.date.issued 2009-03-09 en_US
dc.identifier.citation J. Appl. Phys. 105, 07A723 (2009) en_US
dc.identifier.issn 0021-8979 (print)
dc.identifier.uri http://hdl.handle.net/10106/5016
dc.description PROCEEDINGS OF THE 53RD ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS / Hard Magnetic Materials en_US
dc.description.abstract The state of the chemical ordering in a decahedral FePt nanoparticle was studied using aberration corrected high resolution transmission electron microscopy. With the reduced image delocalization effect as a result of spherical aberration correction, it is possible to directly correlate the image intensity with the local state of chemical ordering through the help of a multislice image simulation. We have found direct evidence for the image intensity oscillation from one atomic layer to another. It is interpreted as L10-like chemical ordering, i.e., the alternate occupation of Fe and Pt atoms in the (002) planes. The result suggests that chemical ordering survives even in decahedral nanoparticles down to 3 nm size despite the possible surface effects. en_US
dc.description.sponsorship Jointly sponsored by Physics Conferences, Inc. (AIP) and The IEEE Magnetics Society en_US
dc.language.iso en_US en_US
dc.publisher American Institute of Physics en_US
dc.subject errations en_US
dc.subject ferromagnetic materials en_US
dc.subject iron alloys en_US
dc.subject magnetic anisotropy en_US
dc.subject magnetic particles en_US
dc.subject nanoparticles en_US
dc.subject platinum alloys en_US
dc.subject transmission electron microscopy en_US
dc.title Observation of L1[subscript]0-like chemical ordering in a decahedral FePt nanoparticle by C[subscript]s-corrected high resolution transmission electron microscopy
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/p07A723/s1 en_US
dc.identifier.externalLinkDescription External link to the published article en_US

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