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The Strathprints institutional repository is a digital archive of University of Strathclyde's Open Access research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including by researchers from the Department of Computer & Information Sciences involved in mathematically structured programming, similarity and metric search, computer security, software systems, combinatronics and digital health.

The Department also includes the iSchool Research Group, which performs leading research into socio-technical phenomena and topics such as information retrieval and information seeking behaviour.

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Equilibration and stability in undoped amorphous silicon

Wagner, S. and Gleskova, Helena and Nakata, J. (1996) Equilibration and stability in undoped amorphous silicon. Journal of Non-Crystalline Solids, 198-200. pp. 407-414. ISSN 0022-3093

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Abstract

The annealing of structure and defect density in silicon-implanted non-hydrogenated and hydrogenated amorphous silicon, a-Si and a-Si:H, is compared. In both materials, the annealing follows equilibrium-like trajectories of defect density versus Urbach energy. A comparison of implanted, as-grown, and light-soaked a-Si:H shows that these three materials are strained on an intermediate, extended, and local scale, respectively. Similar defect annealing rates in ion-implanted and light-soaked a-Si:H point to the same mechanism for relaxation, which most likely is associated with the diffusion of an atom or defect. Hydrogen is the most likely candidate, but more quantitative verification is needed.