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Rapid thermal annealing of FePt nanoparticles
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10.1063/1.2953078
/content/aip/journal/jap/104/1/10.1063/1.2953078
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/1/10.1063/1.2953078
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns of FePt nanoparticles of (a) as-synthesized, (b) annealed at for by RTA, and (c) annealed at for by FA. The average grain sizes are (a) , (b) , and (c) , respectively.

Image of FIG. 2.
FIG. 2.

The grain size as a function of annealing time at for RTA and FA treated samples.

Image of FIG. 3.
FIG. 3.

TEM images of FePt nanoparticles: (a) as-synthesized particles, (b) RTA treated at for , (c) RTA treated at for , (d) furnace annealed at for , and (d) furnace annealed at for .

Image of FIG. 4.
FIG. 4.

The annealing time dependence of chemical ordering parameter and coercivity for RTA performed at .

Image of FIG. 5.
FIG. 5.

Demagnetization curves of FePt particles annealed at for different times.

Image of FIG. 6.
FIG. 6.

The relationship between the coercivity and annealing time at different temperatures with (a) the linear time scale and (b) the square root of time scale.

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/content/aip/journal/jap/104/1/10.1063/1.2953078
2008-07-11
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Rapid thermal annealing of FePt nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/jap/104/1/10.1063/1.2953078
10.1063/1.2953078
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