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Hydrogen Equilibration and Metastability in Amorphous Silicon

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Abstract

We review evidence for the vital role of H in metastability and defect equilibration in hydrogenated amorphous silicon. H pairs act both as an H reservoir that equilibrates with DB’s and dopants and as the metastable H state of light-induced metastability. With ab initio pseudopotential theory, we calculate energies and configurations for two novel H pairing sites associated with small hydrogenated vacancies. We describe microscopic models of equilibration and metastability based on our calculations.

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Authors and Affiliations

  1. National Renewable Energy Laboratory Golden, CO, 80401, USA

    Howard M. Branz & S. B. Zhang

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  1. Howard M. Branz
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  2. S. B. Zhang
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Branz, H.M., Zhang, S.B. Hydrogen Equilibration and Metastability in Amorphous Silicon. MRS Online Proceedings Library 664, 133 (2000). https://doi.org/10.1557/PROC-664-A13.3

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