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Scanning Tunneling Spectroscopy of Insulating Films

Paper for Advanced Solid State Physics class, Dmitri Y. Petrovykh.

Physics Department, University of Wisconsin, Madison, WI, USA (1999)

  1. 1 STM and STS of Bulk Insulators
    2 STS of Thin Film Insulators
  2. 1 Tunneling Current Theory
    2 Tunneling Barrier Parameters
    3 The Simplest Model for T(E,V)
    4 Thermal Broadening Included
    5 More Accurate Tunneling Probabilities
  3. Possible Additional Effects
  4. Acknowledgments & References

IV Acknowledgments

This work would not have been possible without the guidance of my advisor Prof. F. Himpsel and very helpful discussions with Prof. D. Huber. I would like also to thank fellow graduate students R. Boutchko and R. Haslinger for sharing their experiences regarding numerical methods.

References

  1. For reviews, see G. Binnig and H. Rohrer, Rev. Mod. Phys. 59, 615 (1987); P.K. Hansma and J. Tersoff, J. Appl. Phys. 61, R1 (1987); R. Hamers, Ann. Rev. Phys. Chem. 40, 531 (1989); C. Bai, Scanning Tunneling Microscopy and its Applications, Springer; and more recently J.A. Kubby and J.J. Boland, Surf. Sci. Rep. 26, 61 (1996); H. Neddermeyer, Rep. Prog. Phys. 59, 701 (1996)
  2. Stroscio, R.M. Feenstra, Methods of Experimental Physics 27, 95 (1993)
  3. Rieger, F.J. Himpsel, U.O. Karlsson, F.R. McFeely, and J.A. Yarmoff, Phys. Rev. B 34, 7295 (1986); F.J. Himpsel, U.O. Karlsson, J.F. Morar, D. Rieger, and J.A. Yarmoff, Mater. Res. Soc. Proc. 94, 181 (1987)
  4. Ph. Avouris and R. Wolkow, Appl. Phys. Lett. 55, 1074 (1989)
  5. Viernow, D. Y. Petrovykh, A. Kirakosian, J.-L. Lin, F. K. Men, M. Henzler, and F.J. Himpsel (unpublished)
  6. Duke, Tunneling in Solids, Solid State Physics, Supplement 10, ed. By F. Seitz, D. Turnbull, and H. Ehrenreich, Academic, (New York, 1969); N.D. Lang, Phys. Rev. B 34, 5947 (1986); R.M. Feenstra, Phys. Rev. B 50, 4561 (1994).
  7. Martensson and R.M. Feenstra, Phys. Rev. B 39, 7744 (1989)
  8. Bardeen, Phys. Rev. Lett 6, 57 (1961)
  9. Tersoff, D.R. Hamann, Phys. Rev. B 31, 805 (1985)
  10. Liboff, Introductory Quantum Mechanics, Holden-Day

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