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Quantum size effect of valence band plasmon energies in Si and nanoparticles
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10.1116/1.2190658
/content/avs/journal/jvstb/24/3/10.1116/1.2190658
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/24/3/10.1116/1.2190658
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Electron microscope image of monodisperse nanoparticle agglomerates with a particle diameter of .

Image of FIG. 2.
FIG. 2.

Transmission electron microscope image of Si nanoparticles with an average diameter of .

Image of FIG. 3.
FIG. 3.

Auger electron spectra of nanoparticles of different sizes and stoichiometry deposited on Pd.

Image of FIG. 4.
FIG. 4.

Auger electron spectra of Si nanoparticles of different sizes deposited on Au.

Image of FIG. 5.
FIG. 5.

Experimental ratio (data points) of oxygen and silicon Auger intensities as a function of the reciprocal of the median diameter. The shaded area represents the expected theoretical values according to Eq. (2) for oxide thicknesses between 0.5 and .

Image of FIG. 6.
FIG. 6.

EEL spectra from nanoparticles. PL: plasmon loss, : core-level ionization, and IT: interband transition.

Image of FIG. 7.
FIG. 7.

EEL spectra from Si nanoparticles and the Si bulk sample.

Image of FIG. 8.
FIG. 8.

Observed valence band plasmon energies as a function of the diameter of the particles.

Image of FIG. 9.
FIG. 9.

Plasmon energy shift as a function of the diameter on a double logarithmic plot. The blueshifts obey a power law of the particle diameter.

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/content/avs/journal/jvstb/24/3/10.1116/1.2190658
2006-04-21
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Quantum size effect of valence band plasmon energies in Si and SnOx nanoparticles
http://aip.metastore.ingenta.com/content/avs/journal/jvstb/24/3/10.1116/1.2190658
10.1116/1.2190658
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