Surface Space-Charge Region in Non-Equilibrium

  • Winfried Mönch
Part of the Springer Series in Surface Sciences book series (SSSUR, volume 26)


The injection of charge into a surface space-charge layer modifies its spatial distribution of charge and its potential barrier. Such injection is accomplished by external electric fields and the absorption of light, to name two examples. Depending on the polarity of a bias applied to the semiconductor, positive or negative charge is induced into the semiconductor surface. In such field-effect experiments, variations of band bending can be observed via measurements of surface conductance which probes the surface excess of mobile carriers.


Minority Carrier Surface Conductance Depletion Layer Excess Carrier Surface Photovoltage 
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  1. 1.
    For an extensive presentation of results obtained the reader is referred to a review by Ando et al. [1982] as well as the proceedings of the biennial conferences on Electronic Properties of Two-Dimensional Systems which are regularly published in Surface Science. Google Scholar
  2. 3.
    The acronym iba means that the surface was prepared in situ by ion-bombardment and annealing.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Winfried Mönch
    • 1
  1. 1.Laboratorium für FestkörperphysikGerhard-Mercator-Universität DuisburgDuisburgGermany

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