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Superexchange coupling on oleylsarcosine-coated magnetite nanoparticles
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10.1063/1.2151162
/content/aip/journal/jap/99/8/10.1063/1.2151162
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2151162
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Figures

Image of FIG. 1.
FIG. 1.

Resonance field vs particle volume fraction for the OLEL and the DMSA samples obtained at a microwave power of . The inset shows the calculated surface-to-surface particle distance using the dimer model on the analysis of the DMSA sample.

Image of FIG. 2.
FIG. 2.

Magnetic resonance spectrum of the OLEL sample with a particle volume fraction of 0.0005. Solid lines , , represent the acoustic mode I, optical mode II, and acoustic mode II line contributions to the spectrum, obtained from the best fit of the experimental data. The inset shows the estimated antiferromagnetic exchange coupling between nanoparticles forming dimers as function of the concentration. The solid line is a guide to the eye.

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/content/aip/journal/jap/99/8/10.1063/1.2151162
2006-04-17
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Superexchange coupling on oleylsarcosine-coated magnetite nanoparticles
http://aip.metastore.ingenta.com/content/aip/journal/jap/99/8/10.1063/1.2151162
10.1063/1.2151162
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