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Wandering Dangling Bond Model for Staebler-Wronski Effects

Published online by Cambridge University Press:  10 February 2011

Masatoshi Ikeda ,
Akio Kitagawa  and
Masakuni Suzuki
Masatoshi Ikeda
Affiliation:
Dept. of E& CE, Fac. of Eng., Kanazawa University, Kanazawa 920-8667, JAPAN
Akio Kitagawa
Affiliation:
Dept. of E& CE, Fac. of Eng., Kanazawa University, Kanazawa 920-8667, JAPAN
Masakuni Suzuki
Affiliation:
Dept. of E& CE, Fac. of Eng., Kanazawa University, Kanazawa 920-8667, JAPAN, suzuki@ec.t.kanazawa-u.ac.jp
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Abstract

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.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 507: Symposium A – Amorphous & Microcrystalline Silicon Technology 1998 , 1998 , 691
Copyright
Copyright © Materials Research Society 1998

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References

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