Light Absorption and Photocurrent Oscillations in a-GeSe2 Films

  • J. Hajto
  • M. Füstöss-Wégner


The steady state photocurrent and optical properties of amorphous GeSe2 films has been investigated under the influence of continuous laser irradiation. A medium intensity (1.4 – 2.7 kW/cm2) is found where a low frequency (3–50 Hz) periodic pulsation in the transmitted light and the photocurrent sets in. A model for light induced absorption oscillation is presented based on the bistable local bonding geometry of the amorphous network.


Lone Pair Electron Photocurrent Measurement Amorphous Network Incident Photon Flux Space Charge Limitation 
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  1. 1.
    Hajto J., Zentai G., Kosa Somogyi I., Solid State Comraun. 23, 401 (1977).ADSCrossRefGoogle Scholar
  2. 2.
    Hajto J., Apai P., Journal of Non-Cryst. Solids 35-36, 1085 (1980).ADSCrossRefGoogle Scholar
  3. 3.
    Hajto J., In Proc. of the European Physics Study Conf. on “Laser induced in Solids”, Mons 1979, Belgium.Google Scholar
  4. 4.
    Tanaka K., In Proc. of the 8th Int. Conf. in Amorphous and Liquid Semiconductors. Cambridge Aug. 27–31, 1979 USA.Google Scholar
  5. 5.
    Utsugi Y. and Mizushima Y., J.Appl.Phys. 49, 3470 (1978).ADSCrossRefGoogle Scholar

Copyright information

© Plenum Press, New York 1981

Authors and Affiliations

  • J. Hajto
    • 1
  • M. Füstöss-Wégner
    • 1
  1. 1.Central Research Institute for PhysicsHungarian Academy of SciencesBudapestHungary

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