High thermal stability of carbon-coated L10-FePt nanoparticles prepared by salt-matrix annealing
Chaubey, Girija S.
Liu, J. Ping
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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.