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ordering and magnetic interactions in FePt nanoparticles embedded in MgO and shell matrices
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10.1063/1.2752141
/content/aip/journal/jap/102/2/10.1063/1.2752141
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/2/10.1063/1.2752141
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) TEM (bright field) and (b) HRTEM images of as prepared nanocomposites.

Image of FIG. 2.
FIG. 2.

TEM bright-field image of an as prepared nanocomposite.

Image of FIG. 3.
FIG. 3.

(Color online) Hysteresis loops of heat-treated FePt nanoparticles and and nanocomposites: (a) at for and (b) at for .

Image of FIG. 4.
FIG. 4.

(Color online) plots of heat-treated FePt nanoparticles and and nanocomposites: (a) at for and (b) at for .

Image of FIG. 5.
FIG. 5.

TEM bright-field images of heat-treated (a) nanocomposite, (b) FePt nanoparticles, and (c) nanocomposite.

Image of FIG. 6.
FIG. 6.

(Color online) XRD patterns of heat-treated nanocomposites compared to those of FePt nanoparticles. The peaks are indexed to the tetragonal structure or the cubic MgO structure where indicated. The numbers on the left indicate FePt:MgO molar ratios used during the preparation, thus 1:0 denotes stand-alone FePt nanoparticles. The inset shows an enlarged graph of the (111) peak profile of the heat-treated stand-alone FePt and its analysis to two components corresponding to different Scherrer sizes.

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/content/aip/journal/jap/102/2/10.1063/1.2752141
2007-07-24
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: L10 ordering and magnetic interactions in FePt nanoparticles embedded in MgO and SiO2 shell matrices
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/2/10.1063/1.2752141
10.1063/1.2752141
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