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High thermal stability of carbon-coated L1[subscript]0-FePt nanoparticles prepared by salt-matrix annealing

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High thermal stability of carbon-coated L1[subscript]0-FePt nanoparticles prepared by salt-matrix annealing

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Title: High thermal stability of carbon-coated L1[subscript]0-FePt nanoparticles prepared by salt-matrix annealing
Author: Rong, Chuanbing; Poudyal, Narayan; Chuabey, Girija S.; Nandwana, Vikas; Liu, Yuzi; Wu, Y.Q.; Kramer, Matthew J.; Kozlov, Mikhail E.; Baughman, Ray H.; Liu, J. Ping
Abstract: Monodisperse L10-FePt nanoparticles with size ranging from 3 to 8 nm were prepared by the salt-matrix annealing method. It was observed that the annealed particles have high thermal stability—no sintering occurred even when the particles were heated at 1100 °C for an hour. This high thermal stability resulted from carbon coating of the particles during salt-matrix annealing as consequence of decomposition of surfactants.
Description: PROCEEDINGS OF THE 52ND ANNUAL CONFERENCE ON MAGNETISM AND MAGNETIC MATERIALS / Hard Magnetic Materials
URI: http://hdl.handle.net/10106/4986
Date: 2008-02-08
External Link: http://link.aip.org/link/JAPIAU/v103/i7/p07E131/s1

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