Abstract
It is well established that controlled high-temperature annealing of hydrogen silsesquioxane leads to the formation of small spherical silicon nanocrystals (∼3 nm). The present study outlines an investigation into the influence of annealing time and temperature. After prolonged annealing, crystal surfaces thermodynamically self-optimize to form a variety of faceted structures (e.g., cubic, truncated trigonal and hexagonal structures).
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Yang, Z., Dobbie, A.R. & Veinot, J.G.C. Shape Evolution of Faceted Silicon Nanocrystals upon Thermal Annealing in an Oxide Matrix. MRS Online Proceedings Library 1536, 207–212 (2013). https://doi.org/10.1557/opl.2013.890
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DOI: https://doi.org/10.1557/opl.2013.890