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2 results

  • Wandering Dangling Bond Model for Staebler-Wronski Effects

  • Masatoshi Ikeda, Akio Kitagawa, Masakuni Suzuki
  • Journal:
    MRS Online Proceedings Library Archive / Volume 507 / 1998
    Published online by Cambridge University Press:
    10 February 2011, 691
    Print publication:
    1998

  • A new model for Staebler-Wronski effects is proposed. Defect pairs of (D°:D+) or (D°:D°) as a precursor of neutral dangling bonds are produced by electron-phonon interactions. Most of the defect-pairs immediately rebond after creation, but some of them separate resulting in wandering dangling bonds. The separation and the wandering take place through bond-switching. When wandering dangling bonds collide, most of them make covalent bonds via defect-pairs. The rate equations based on these processes are given and annealing effects on photo-generated dangling bonds are studied.