The European Physical Journal B

, Volume 79, Issue 3, pp 371–376 | Cite as

Noise-created bistability and stochastic resonance of impurities diffusing in a semiconductor layer

  • M. Asfaw
  • B. Aragie
  • M. Bekele


We investigate the dynamics of impurities walking along a semiconductor layer assisted by thermal noise of strength D and external harmonic potential V(x). Applying a nonhomogeneous hot temperature in the vicinity of the potential minimum may modify the external potential into a bistable effective potential. We propose the ways of mobilizing and eradicating the unwanted impurities along the semiconductor layer. Furthermore, the thermally activated rate of hopping for the impurities as a function of the model parameters is studied in high barrier limit. Via two state approximation, we also study the stochastic resonance (SR) of the impurities dynamics where the same noise source that induces the dynamics also induces the transition from mono-stable to bistable state which leads to SR in the presence of time varying field.


Stochastic Resonance Parameter Choice Potential Minimum Semiconductor Layer Noise Strength 
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  1. 1.
    V. Narayan, M. Willander, Phys. Rev. B 65, 125330 (2002) CrossRefADSGoogle Scholar
  2. 2.
    V. Narayan, M. Willander, Phys. Rev. B 65, 075308 (2002) CrossRefADSGoogle Scholar
  3. 3.
    M. Sze, Physics of Semiconductor Devices (John Wiley and Sons, New York, 1981) Google Scholar
  4. 4.
    B. Van Zeghbroeck, Principles of Semiconductor Devices, bart/book/book/title.htm Google Scholar
  5. 5.
    L. Gammaitoni, P. Hänggi, P. Jung, F. Marchesoni, Rev. Mod. Phys. 70, 223 (1998) CrossRefADSGoogle Scholar
  6. 6.
    J.F. Lindner, B.K. Meadows, W.L. Ditto, M.E. Inchiosa, A.R. Bulsara, Phys. Rev. Lett. 75, 3 (1995) CrossRefADSGoogle Scholar
  7. 7.
    J.F. Lindner, B.K. Meadows, W.L. Ditto, M.E. Inchiosa, A.R. Bulsara, Phys. Rev. E 53, 2081 (1996) CrossRefADSGoogle Scholar
  8. 8.
    F. Marchesoni, L. Gammaitoni, A.R. Bulsara, Phys. Rev. Lett. 76, 2609 (1996) CrossRefADSGoogle Scholar
  9. 9.
    L. Gammaitoni, P. Hänggi, P. Jung, F. Marchesoni, EPJB 69, 1 (2009) CrossRefADSGoogle Scholar
  10. 10.
    J.F. Lindner, M. Bennett, K. Wiesenfeld, Phys. Rev. E 73, 031107 (2006) CrossRefADSGoogle Scholar
  11. 11.
    R. Benzi, G. Parisi, A. Sutera, A. Vulpiani, Tellus 34, 10 (1982) CrossRefADSGoogle Scholar
  12. 12.
    P.S. Burada, G. Schmid, D. Reguera, M.H. Vainstein, J.M. Rubi, P. Hänggi, Phys. Rev. Lett. 101, 130602 (2008) CrossRefADSGoogle Scholar
  13. 13.
    M. Asfaw, W. Sung, Europhys. Lett. 90, 3008 (2010) CrossRefGoogle Scholar
  14. 14.
    M. Asfaw, Phys. Rev. E 82, 021111 (2010) CrossRefADSGoogle Scholar
  15. 15.
    P.K. Ghosh, F. Marchesoni, S.E. Savelev, F. Nori, Phys. Rev. Lett. 104, 020601 (2010) CrossRefADSGoogle Scholar
  16. 16.
    B. McNamara, K. Wiesenfeld, Phys. Rev. A 39, 4854 (1989) CrossRefADSGoogle Scholar
  17. 17.
    N.G. van Kampen, Disordered solids, Structure and processes, edited by B. DiBartolo (Plenum Press, New York, 1998) Google Scholar
  18. 18.
    N.G. van Kampen, J. Math. Phys. 29, 5 (1988) CrossRefMathSciNetGoogle Scholar
  19. 19.
    W. Horsthemke, R. Lefever, Noise-Induced Transitions: Theory and applications in Physics, Chemistry, and Biology (Springer, 2007) Google Scholar
  20. 20.
    H.A. Kramer, Physica 7, 284 (1940) CrossRefMathSciNetADSGoogle Scholar
  21. 21.
    P. Hänggi, P. Talkner, M. Borkovec, Rev. Mod. Phys. 62, 251 (1990) CrossRefADSGoogle Scholar
  22. 22.
    R. Kubo, Rep. Prog. Phys. 29, 255 (1966) CrossRefADSGoogle Scholar
  23. 23.
    H.B. Callen, T.A. Welton, Phys. Rev. 83, 34 (1951) MATHCrossRefMathSciNetADSGoogle Scholar

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© EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  1. 1.Department of Physics and AstronomyCalifornia State University NorthridgeNorthridgeUSA
  2. 2.Department of PhysicsAddis Ababa UniversityAddis AbabaEthiopia

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