Photon emission from silver particles induced by a high-energy electron beam
By N. Yamamoto, K. Araya, F. García de Abajo. 2001
187 citations recorded by the source corpus.
Photon emission spectra from submicron silver particles induced by an electron beam have been measured using a light detection system combined with a 200-kV transmission electron microscope. Multiple peaks appear in the spectra associated with collective plasmon excitations produced in the particles by the incident electrons. The wavelengths of these peaks are observed to shift towards larger values with increasing particle diameter, as predicted by Mie theory. Moreover, photon maps have been obtained in a scanning mode and they indicate that those peaks correspond to the multipole modes of electromagnetic oscillations in metallic spheres (Mie resonances). The spectral shape of the emission and the dependence on particle size, impact parameter, and electron energy are well explained from theoretical calculations of the photon emission probability derived from a fully retarded analytical treatment of the interaction of fast electrons with metallic spheres.
Subfields: Radiation, Structural Biology, Surfaces, Coatings and Films
View Paper: https://www.semanticscholar.org/paper/84187e61be809965c403f519e8f244bc08be4791
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In Radiation
In Structural Biology
In Surfaces, Coatings and Films
Citations in the corpus
- Optical excitations in electron microscopy (2009, background): “…nanostructures have been presented by Yamomoto and co-workers over the last few years, including studies of plasmons in spherical Ag nanoparticles (Yamamoto et al., 2001a), gratings (Yamamoto et al., 2001b), holes in thin films (Degiron et al., 2004), and particle dimers and nanorods (Yamamoto et…”
- Mapping surface plasmons on a single metallic nanoparticle (2007, background): “and limited photon-counting statistics in related cathodoluminescence-like experiment”
- Plasmonics: Fundamentals and Applications (2007, methodology): “In cathodoluminescence, photon emission of the metal nanostructure under investigation is induced via a high-energy electron beam, and collected using a suitable detection pathway [Yamamoto et al., 2001].”