Modelling the influence of nonthermal electron dynamics in thin and ultrathin gold films

Jesús Garduño-Mejía, Michael P. Higlett, Stephen R. Meech*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The effect of both nonthermal and thermal hot electron populations on the ultrafast transient reflectivity of thin and ultrathin gold films has been considered. The hot electron dynamics are calculated based on the recent model of Carpene [E. Carpene, Physical Review B 74 (2006) 024301], modified for film thickness phenomena. The effect of laser fluence, film thickness, probe wavelength and metal band structure are all considered. The consequences of the model for calculating rates of hot electron attachment to adsorbates are discussed. Finally the predictions are compared with experimental data.

Original languageEnglish
Pages (from-to)276-284
Number of pages9
JournalChemical Physics
Volume341
Issue number1-3
DOIs
Publication statusPublished - 15 Nov 2007
Externally publishedYes

Bibliographical note

Funding Information:
We are grateful to EPSRC for financial support and MPH thanks them for provision of a studentship.

Keywords

  • Gold
  • Hot-electrons
  • Nanoparticle
  • Reflectivity
  • Thin film
  • Ultrafast

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