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Size dependence, nucleation, and phase transformation of FePt nanoparticles
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10.1063/1.1993773
/content/aip/journal/apl/87/2/10.1063/1.1993773
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/2/10.1063/1.1993773
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

TEM Images of 8 nm FePt nanoparticles (a) unsintered after RTA at 500 °C for 30 min, (b) partly sintered after RTA at 690 °C for 30 min, and (c) more sintered after RTA at 690 °C for 60 min.

Image of FIG. 2.
FIG. 2.

Cumulative volume percentage made up of particles less than or equal to a given particle volume . The initial particle size was 8 nm. The shaded region indicates the volume threshold, , including the error bars, above which the particles have transformed.

Image of FIG. 3.
FIG. 3.

Normalized remanent hysteresis loops as a function of sintering (a) between ; (b) between 0 and . The “knee” in the hysteresis loop between 500 and 100 Oe is common to all three samples.

Image of FIG. 4.
FIG. 4.

Cumulative volume percentage made up of particles less than or equal to a given particle volume . The initial particle size was 4 nm. The shaded region indicates the volume threshold, , including the error bars, above which the particles have transformed. The inset is the normalized remanent hysteresis loop after annealing, for the same particles.

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/content/aip/journal/apl/87/2/10.1063/1.1993773
2005-07-08
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size dependence, nucleation, and phase transformation of FePt nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/apl/87/2/10.1063/1.1993773
10.1063/1.1993773
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