Grain Boundary States in Float-Zone Silicon Bicrystals

  • G. Petermann
  • P. Haasen
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 35)


A near ∑25 grain boundary has been studied electrically in FZ-silicon at various degrees of n-doping. The boundary is electrically active without previous heat treatment. A unique density-of-states can be derived from dc and ac measurements at all dopings and temperatures investigated. The model of the charged g.b. includes potential fluctuations in the g.b. plane. Admittance spectroscopy allows one to differentiate between g.b. states and deep centers in the compensating space charge zone.


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Copyright information

© Springer-Verlag Berlin, Heidelberg 1989

Authors and Affiliations

  • G. Petermann
    • 1
    • 2
  • P. Haasen
    • 1
    • 2
  1. 1.Institut für MetallphysikUniversität GöttingenGöttingenFep. Rep. of Germany
  2. 2.SFB 126GöttingenFed. Rep. of Germany

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