A rigorous electrodynamic model for periodic structure formation during UV laser-induced metal atom deposition

Andrew C R Pipino, George C Schatz, Richard P. Van Duyne

Research output: Contribution to journalArticle

Abstract

A model is presented which describes the time and spatial frequency evolution of periodic structures formed during metal atom deposition arising from UV laser-induced photodissociation of organometallics. In addition to the occurrence of rapid growth of spatial frequencies which allow direct coupling of the incident radiation to the surface-plasmon polariton (SPP), a high-wavevector profile component, associated with the interference of counterpropagating SPP waves, also develops with extremely high gain but without feedback. Pump/probe diffraction methods foo verifying the predictions and elucidating the surface modification of photodissociation are briefly proposed. Deposition of aluminum by photolysis of (CH3)3Al at 257 nm is chosen as the model system.

Original languageEnglish
Pages (from-to)137-144
Number of pages8
JournalChemical Physics Letters
Volume237
Issue number1-2
DOIs
Publication statusPublished - May 5 1995

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Photodissociation
Periodic structures
Electrodynamics
ultraviolet lasers
electrodynamics
Metals
polaritons
Atoms
photodissociation
Lasers
Photolysis
Organometallics
Aluminum
metals
atoms
Surface treatment
Diffraction
incident radiation
Pumps
high gain

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Physics and Astronomy(all)

Cite this

A rigorous electrodynamic model for periodic structure formation during UV laser-induced metal atom deposition. / Pipino, Andrew C R; Schatz, George C; Van Duyne, Richard P.

In: Chemical Physics Letters, Vol. 237, No. 1-2, 05.05.1995, p. 137-144.

Research output: Contribution to journalArticle

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