Table of Contents
Physics Research International
Volume 2012, Article ID 172987, 8 pages
http://dx.doi.org/10.1155/2012/172987
Review Article

Nuclear Wavepacket Dynamics of Alkali Adsorbates on Metal Surfaces Studied by Time-Resolved Second Harmonic Generation

Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan

Received 2 December 2011; Accepted 15 February 2012

Academic Editor: Goro Mizutani

Copyright © 2012 Kazuya Watanabe and Yoshiyasu Matsumoto. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. L. Dhar, J. A. Rogers, and K. A. Nelson, “Time-resolved vibrational spectroscopy in the impulsive limit,” Chemical Reviews, vol. 94, no. 1, pp. 157–193, 1994. View at Google Scholar · View at Scopus
  2. T. Dekorsy, G. C. Cho, and H. Kurz, “Coherent phonons in condensed media,” in Topics in Applied Physics, vol. 76, chapter 4, pp. 169–209, Springer, Berlin, Germany, 2000. View at Google Scholar
  3. D. M. Riffe and A. J. Sabbah, “Coherent excitation of the optic phonon in Si: transiently stimulated Raman scattering with a finite-lifetime electronic excitation,” Physical Review B, vol. 76, no. 8, Article ID 085207, 2007. View at Publisher · View at Google Scholar · View at Scopus
  4. Y. M. Chang, L. Xu, and H. W. K. Tom, “Observation of coherent surface optical phonon oscillations by time-resolved surface second-harmonic generation,” Physical Review Letters, vol. 78, no. 24, pp. 4649–4652, 1997. View at Google Scholar · View at Scopus
  5. K. Watanabe, N. Takagi, and Y. Matsumoto, “Impulsive excitation of a vibrational mode of Cs on Pt (1 1 1),” Chemical Physics Letters, vol. 366, no. 5-6, pp. 606–610, 2002. View at Publisher · View at Google Scholar · View at Scopus
  6. K. Watanabe, N. Takagi, and Y. Matsumoto, “Direct time-domain observation of ultrafast dephasing in adsorbate-substrate vibration under the influence of a hot electron bath: Cs adatoms on Pt(111),” Physical Review Letters, vol. 92, no. 5, pp. 574011–574014, 2004. View at Google Scholar · View at Scopus
  7. K. Watanabe, N. Takagi, and Y. Matsumoto, “Femtosecond wavepacket dynamics of Cs adsorbates on Pt(111): coverage and temperature dependences,” Physical Review B, vol. 71, no. 8, Article ID 085414, 9 pages, 2005. View at Publisher · View at Google Scholar · View at Scopus
  8. Y. Matsumoto and K. Watanabe, “Coherent vibrations of adsorbates induced by femtosecond laser excitation,” Chemical Reviews, vol. 106, no. 10, pp. 4234–4260, 2006. View at Publisher · View at Google Scholar · View at Scopus
  9. M. Fuyuki, K. Watanabe, D. Ino, H. Petek, and Y. Matsumoto, “Electron-phonon coupling at an atomically defined interface: Na quantum well on Cu(111),” Physical Review B, vol. 76, no. 11, Article ID 115427, 2007. View at Publisher · View at Google Scholar · View at Scopus
  10. K. Watanabe, K. I. Inoue, I. F. Nakai, M. Fuyuki, and Y. Matsumoto, “Ultrafast electron and lattice dynamics at potassium-covered Cu(111) surfaces,” Physical Review B, vol. 80, no. 7, Article ID 075404, 2009. View at Publisher · View at Google Scholar · View at Scopus
  11. K. Watanabe, Y. Matsumoto, T. Yasuike, and K. Nobusada, “Adsorbate-localized versus substrate-mediated excitation mechanisms for generation of coherent Cs-Cu stretching vibration at Cu(111),” Journal of Physical Chemistry A, vol. 115, no. 34, pp. 9528–9535, 2011. View at Publisher · View at Google Scholar
  12. R. D. Diehl and R. McGrath, “Structural studies of alkali metal adsorption and coadsorption on metal surfaces,” Surface Science Reports, vol. 23, no. 2-5, pp. 43–171, 1996. View at Google Scholar · View at Scopus
  13. S. E. Finberg, J. V. Lakin, and R. D. Diehl, “He-atom scattering study of the vibrational modes of alkalis on Al(111),” Surface Science, vol. 496, no. 1-2, pp. 10–20, 2002. View at Publisher · View at Google Scholar · View at Scopus
  14. A. P. Graham, “The low energy dynamics of adsorbates on metal surfaces investigated with helium atom scattering,” Surface Science Reports, vol. 49, no. 4-5, pp. 115–168, 2003. View at Publisher · View at Google Scholar · View at Scopus
  15. S. Lindgren and L. Walldén, “Some properties of metal overlayers on metal substrates,” in Handbook of Surface Science, vol. 2, chapter 13, pp. 899–951, Elsevier, Amsterdam, The Netherlands, 2000. View at Publisher · View at Google Scholar · View at Scopus
  16. A. Liebsch, Electronic Excitations at Metal Surfaces. Physics of Solids and Liquids, Plenum Press, New York, NY, USA, 1997.
  17. J. P. Gauyacq, A. G. Borisov, and M. Bauer, “Excited states in the alkali/noble metal surface systems: a model system for the study of charge transfer dynamics at surfaces,” Progress in Surface Science, vol. 82, no. 4–6, pp. 244–292, 2007. View at Publisher · View at Google Scholar · View at Scopus
  18. R. W. Gurney, “Theory of electrical double layers in adsorbed films,” Physical Review, vol. 47, no. 6, pp. 479–482, 1935. View at Publisher · View at Google Scholar · View at Scopus
  19. E. Wimmer, “All-electron local density functional study of metallic monolayers. I. Alkali metals,” Journal of Physics F, vol. 13, no. 11, article no. 014, pp. 2313–2321, 1983. View at Publisher · View at Google Scholar · View at Scopus
  20. H. W. K. Tom, C. M. Mate, X. D. Zhu, J. E. Crowell, Y. R. Shen, and G. A. Somorjai, “Studies of alkali adsorption on Rh(111) using optical second-harmonic generation,” Surface Science, vol. 172, no. 2, pp. 466–476, 1986. View at Google Scholar · View at Scopus
  21. Y. R. Shen, “Wave mixing spectroscopy for surface studies,” Solid State Communications, vol. 102, no. 2-3, pp. 221–229, 1997. View at Google Scholar · View at Scopus
  22. A. Liebsch, “Second-harmonic generation from alkali-metal overlayers,” Physical Review B, vol. 40, no. 5, pp. 3421–3424, 1989. View at Publisher · View at Google Scholar · View at Scopus
  23. J. Zhao, N. Pontius, A. Winkelmann et al., “Electronic potential of a chemisorption interface,” Physical Review B, vol. 78, no. 8, Article ID 085419, 7 pages, 2008. View at Publisher · View at Google Scholar
  24. P. J. Feibelman, “Surface electromagnetic fields,” Progress in Surface Science, vol. 12, no. 4, pp. 287–407, 1982. View at Google Scholar · View at Scopus
  25. Y. M. Chang, L. Xu, and H. W. K. Tom, “Coherent phonon spectroscopy of GaAs surfaces using time-resolved second-harmonic generation,” Chemical Physics, vol. 251, no. 1–3, pp. 283–308, 2000. View at Google Scholar · View at Scopus
  26. M. Fuyuki, K. Watanabe, and Y. Matsumoto, “Coherent surface phonon dynamics at K-covered Pt(111) surfaces investigated by time-resolved second harmonic generation,” Physical Review B, vol. 74, no. 19, Article ID 195412, 2006. View at Publisher · View at Google Scholar · View at Scopus
  27. W. Ho, “Surface photochemistry,” in Laser Spectroscopy and Photochemistry on Metal Surfaces Part II, chapter 24, pp. 1047–1140, World Scientific Publishing, River Edge, NJ, USA, 1995. View at Google Scholar
  28. E. V. Chulkov, J. Kliewer, R. Berndt et al., “Hole dynamics in a quantum-well state at Na/Cu(111),” Physical Review B, vol. 68, no. 19, Article ID 195422, 2003. View at Google Scholar · View at Scopus
  29. D. A. Arena, F. G. Curti, and R. A. Bartynski, “Unoccupied electronic states of the Cs/Cu(100) and Cs/Cu(111) adsorption systems,” Physical Review B, vol. 56, no. 23, pp. 15404–15411, 1997. View at Google Scholar · View at Scopus
  30. T. Yasuike and K. Nobusada, “Open-boundary cluster model for calculation of adsorbate-surface electronic states,” Physical Review B, vol. 76, no. 23, Article ID 235401, 2007. View at Publisher · View at Google Scholar · View at Scopus
  31. K. Nobusada and T. Yasuike, “Photoinduced coherent adsorbate dynamics on a metal surface: nuclear wave-packet simulation with quasi-diabatic potential energy curves using an open-boundary cluster model approach,” Physical Review B, vol. 80, no. 3, Article ID 035430, 2009. View at Publisher · View at Google Scholar · View at Scopus
  32. M. Brandbyge, P. Hedegård, T. F. Heinz, J. A. Misewich, and D. M. Newns, “Electronically driven adsorbate excitation mechanism in femtosecond-pulse laser desorption,” Physical Review B, vol. 52, no. 8, pp. 6042–6056, 1995. View at Publisher · View at Google Scholar · View at Scopus