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Nanoscale Investigation of a Rayleigh Wave on LiNbO3

  • J. Yang
  • R. Koch
Conference paper
Part of the NATO Science Series II: Mathematics, Physics and Chemistry book series (NAII, volume 186)

Abstract

The scanning tunneling microscope (STM) after sophisticated modification is a powerful technique to investigate surface acoustic waves (SAWs) with high spatial resolution. Using our ultra high vacuum SAW-STM, a Rayleigh wave propagating in LiNbO3 has been characterized. In accordance with a previous model, the amplitude and phase signals extracted from the modulated tunneling current depend on the surface inclination and the eccentricity β of the SAW. From comparison with simulated amplitude and phase images a value for β=30–40° is obtained in good agreement with the theoretical eccentricity of the Rayleigh wave.

Keywords

Surface acoustic waves elastic properties of solid scanning tunneling microscope 

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References

  1. 1.
    Royer, D. and Dieulesaint, E. (2000) Elastic Wave in Solid I, Springer-Verlag, Berlin.Google Scholar
  2. 2.
    Monchalin, J.-P. (1986) Optical detection of ultrasound, IEEE Trans. Ultrason. Ferroelec. Freq. Contr. UFFC-33, 485–499.ADSCrossRefGoogle Scholar
  3. 3.
    Chilla, E., Rohrbeck, W., Fröhlich, H.-J., Koch, R., and Rieder, K.H. (1992) Probing of surface acoustic wave fields by a novel scanning tunneling microscopy technique: Effects of topography, Appl. Phys. Lett. 61, 3107–3709.CrossRefADSGoogle Scholar
  4. 4.
    Hesjedal, T., Chilla, E., and Fröhlich, H.-J. (1996) Direct visualization of the oscillation of Au (111) surface atoms, Appl. Phys. Lett. 69, 354–356.CrossRefADSGoogle Scholar
  5. 5.
    Voigt, P.U. and Koch, R. (2002) Quantitative geometry of the Rayleigh wave oscillaton ellipse by surface acoustic wave scanning tunneling microscopy, J. Appl. Phys. 92, 7160–7167.CrossRefADSGoogle Scholar
  6. 6.
    Voigt, P.U., Krauß, S., Chilla, E., and Koch, R. (2001) Surface Acoustic Wave Investigation by UHV Scanning Tunneling Microscopy, J. Vac. Sci. Technol. A 19, 1817–1821.ADSGoogle Scholar
  7. 7.
    Chilla, E., Rohrbeck, W., Fröhlich, H.-J., Koch, R., and Rieder, K.H. (1994) Scanning tunneling microscopy of rf oscillating surfaces, Ann. Phys. 3, 21–27.CrossRefGoogle Scholar
  8. 8.
    Yang, J., Voigt P.U., and Koch, R. (2003) Nanoscale investigation of longitudinal surface acoustic waves, Appl. Phys. Lett. 82, 1866–1868.CrossRefADSGoogle Scholar

Copyright information

© Kluwer Academic Publishers 2005

Authors and Affiliations

  • J. Yang
    • 1
  • R. Koch
    • 1
  1. 1.Paul-Drude-Institut für FestkörperelektronikBerlin

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