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Microstructure and exchange coupling in nanocrystalline particles produced by spark erosion
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10.1063/1.1890474
/content/aip/journal/apl/86/12/10.1063/1.1890474
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/12/10.1063/1.1890474

Figures

Image of FIG. 1.
FIG. 1.

XRD patterns for nanocomposites annealed at for 0, 10, and , respectively. All the index lines, if not specified, are of the tetragonal structure. The 110 peak is buried among the peaks. No or other possible oxides are indicated. The patterns are offset for clarity.

Image of FIG. 2.
FIG. 2.

The room temperature Mössbauer spectrum of particles annealed at for . The open circles are experimental data. Fe and subspectra and the fitted total spectrum are also indicated.

Image of FIG. 3.
FIG. 3.

TEM micrographs of particles annealed at for . (a) A typical spherical particle and (b) an image of an ion-milled thinned section of a particle showing grains.

Image of FIG. 4.
FIG. 4.

Hysteresis loops of nanocomposites (a) annealed at for 0, 10, and measured at room temperature and (b) annealed at for measured at room temperature and .

Image of FIG. 5.
FIG. 5.

The reverse field dependence of the normalized isothermal remanent magnetization and the dc demagnetization remanence , and of nanocomposite annealed at for measured at room temperature. is the maximum value of the remanent magnetization.

Tables

Generic image for table
Table I.

Fe magnetic hyperfine fields (kOe) for -FeCo and (listed by site) at room temperature.

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/content/aip/journal/apl/86/12/10.1063/1.1890474
2005-03-17
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Microstructure and exchange coupling in nanocrystalline Nd2(FeCo)14B∕α‐FeCo particles produced by spark erosion
http://aip.metastore.ingenta.com/content/aip/journal/apl/86/12/10.1063/1.1890474
10.1063/1.1890474
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