Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Smith-Purcell radiation emission in aligned nanoparticles

Garcia de Abajo FJ1

  • 1Materials Sciences Division, Lawrence Berkeley National Laboratory, California 94720, USA. ccpgaabf@photon.lbl.gov

Physical Review. E, Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics
|October 14, 2000
PubMed
Summary

This study investigates Smith-Purcell radiation from electron beams interacting with nanoparticle strings. Aluminum nanoparticles show potential for tunable ultraviolet light generation due to high emission rates.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Multi-atom resonant photoemission: A method for determining near-neighbor atomic identities and bonding

Science (New York, N.Y.)·1998
Same author

Contribution of charge-transfer processes to ion-induced electron emission.

Physical review. B, Condensed matter·1996
Same author

Energy loss of MeV protons specularly reflected from metal surfaces.

Physical review. B, Condensed matter·1996
Same author

Resonant-coherent excitation of channeled ions.

Physical review letters·1996
Same author

Erratum: Auger intra-atomic transitions in grazing atom-surface collisions

Physical review. B, Condensed matter·1995
Same author

Auger intra-atomic transitions in grazing atom-surface collisions.

Physical review. B, Condensed matter·1994

Area of Science:

  • Solid-state physics
  • Nanophotonics
  • Electromagnetism

Background:

  • The Smith-Purcell effect describes radiation from charged particles moving near a periodic structure.
  • Nanoparticle strings offer unique optical properties due to their sub-wavelength dimensions.

Purpose of the Study:

  • Investigate Smith-Purcell radiation from electron beams interacting with finite and infinite strings of aluminum and silica nanoparticles.
  • Analyze radiation emission probability and electron energy loss spectra.
  • Explore potential applications in tunable light generation.

Main Methods:

  • Exact solution of Maxwell's equations using a multipole expansion approach.
  • Modeling nanoparticle response with local frequency-dependent dielectric functions.

Related Experiment Videos

  • Simulation of finite (1-15 spheres) and infinite nanoparticle strings.

    • Main Results:

    • Emission probability coincides with energy loss probability in silica's gap region.
    • High emission rates predicted for aluminum nanoparticle strings.
    • Demonstrated dependence of emission on sphere size, string period, and electron energy.

    Conclusions:

    • Smith-Purcell radiation can be effectively generated using nanoparticle strings.
    • Aluminum nanoparticle strings show promise for tunable soft ultraviolet light sources.
    • Finite size effects play a significant role in the radiation characteristics.