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Experimental investigation of interaction of very low frequency electromagnetic waves with metallic nanostructure
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10.1063/1.3587238
/content/aip/journal/jap/109/11/10.1063/1.3587238
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/11/10.1063/1.3587238
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

SEM micrograph showing the distribution of platinum nanoparticles synthesized by through thin film ablation.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Experimental configuration for imaging helicon resonances in metallic nanoparticles at room temperature; (b) generation of eddy currents in a metallic nanoparticle subjected to an electromagnetic field. The secondary magnetic field is denoted by B.

Image of FIG. 3.
FIG. 3.

(Color online) (a) AFM surface topography image of a single platinum nanoparticle 250 nm in diameter; (b) the corresponding magnetic field image due to helicons obtained at an excitation frequency of 90 kHz.

Image of FIG. 4.
FIG. 4.

(Color online) (a) AFM surface topography image of a single platinum nanoparticle 500 nm in diameter; (b) the magnetic field image of helicons obtained at an excitation frequency of 90 kHz. The magnetic field image shows the platinum nanoparticle with bright and dark contrasts.

Image of FIG. 5.
FIG. 5.

(Color online) (a) AFM surface topography image showing platinum nanoparticles with different sizes; (b) the magnetic field image due to helicons obtained at an excitation frequency of 90 kHz. The eddy current image shows one of the platinum nanoparticles with alternate bright and dark contrasts. The size of the nanoparticle shown by the arrow is 800 nm.

Image of FIG. 6.
FIG. 6.

(Color online) (a) Magnetic field image of the platinum nanoparticle and (b) Cross-sectional line scan across the nanoparticle showing the magnetic field variation across the nanoparticle. The size of the nanoparticle is about 250 nm.

Image of FIG. 7.
FIG. 7.

(Color online) (a) Magnetic field image of a platinum nanoparticle showing the second resonance mode of helicon wave. (b) Cross-section analysis showing the variation of magnetic field across the nanoparticle. The size of the nanoparticle is 500 nm.

Image of FIG. 8.
FIG. 8.

(Color online) (a) Magnetic field image of platinum nanoparticle showing the third resonance mode of helicon wave; (b) cross-section analysis of the nanoparticle showing the variation of magnetic field across the nanoparticle. The size of the nanoparticle is 800 nm.

Image of FIG. 9.
FIG. 9.

(Color online) (a) Schematic of magnetic lines of force for the first, second, and third resonance modes in spherical particles. (b) Magnetic field images of platinum nanoparticles.

Image of FIG. 10.
FIG. 10.

(Color online) The distribution of platinum nanoparticles. (a) Surface topography and (b) magnetic field image showing the magnetic field distribution around the nanoparticles. The frequency of excitation was 90 kHz.

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/content/aip/journal/jap/109/11/10.1063/1.3587238
2011-06-08
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental investigation of interaction of very low frequency electromagnetic waves with metallic nanostructure
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/11/10.1063/1.3587238
10.1063/1.3587238
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