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Effect of thermal fluctuations on the recoil loops of SmCo5[subscript]/Fe nanocomposite system

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Effect of thermal fluctuations on the recoil loops of SmCo5[subscript]/Fe nanocomposite system

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dc.contributor.author Rong, Chuanbing
dc.contributor.author Liu, J. Ping
dc.date.accessioned 2010-08-11T19:03:34Z
dc.date.available 2010-08-11T19:03:34Z
dc.date.issued 2009-02-13 en_US
dc.identifier.citation J. Appl. Phys. 105, 07A714 (2009) en_US
dc.identifier.issn 0021-8979 (print)
dc.identifier.uri http://hdl.handle.net/10106/5010
dc.description PROCEEDINGS OF THE 53RD ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS / Hard Magnetic Materials en_US
dc.description.abstract The correlation between the recoil loop openness and the activation volume has been studied for the SmCo5/α-Fe nanocomposite powder material prepared by mechanical alloying. The α-Fe phase content in the nanocomposite powders was adjusted by varying the amount of α-Fe addition in raw materials and the postannealing temperature after mechanical alloying. It was found that the recoil loop openness increases with increasing α-Fe phase content. More interestingly, there is a linear relation between the openness of recoil loops and the reciprocal activation volume, indicating that the recoil loops are related to thermal fluctuation. The large open area of the recoil loops for nanocomposite magnets is attributed to the fact that low anisotropy in the α-Fe phase leads to unstable magnetization under thermal fluctuation. en_US
dc.description.sponsorship IEEE Magnetics Society (MAG)and Physics Conferences, Inc. en_US
dc.language.iso en_US en_US
dc.publisher American Institute of Physics en_US
dc.subject annealing en_US
dc.subject cobalt alloys en_US
dc.subject fluctuations en_US
dc.subject iron en_US
dc.subject magnetic anisotropy en_US
dc.subject magnetic particles en_US
dc.subject mechanical alloying en_US
dc.subject nanocomposites en_US
dc.subject nanoparticles en_US
dc.subject nanotechnology en_US
dc.subject permanent magnets en_US
dc.subject samarium alloys en_US
dc.title Effect of thermal fluctuations on the recoil loops of SmCo5[subscript]/Fe nanocomposite system 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/p07A714/s1 en_US
dc.identifier.externalLinkDescription External link to the published article en_US

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