The Origin of the DX Center in AlxGa1-xAs

Author:
  • EYEiichi Yamaguchi
    Eiichi Yamaguchi

Abstract
A new microscopic origin of the DX center in Al x Ga1-x As is proposed on the basis of the scattering-theoretic method calculation. Calculated results show that the central cell potential of donors induces the deep levels attributed to the DX center. The theory satisfactorily explains the x- and pressure-dependence of the DX center energy levels in Al x Ga1-x As.

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