Abstract
We have investigated an Sb-enhanced solid-phase epitaxy of Si on a p-type (100)Si substrate through recrystallization of heavily Sb-doped polycrystalline Si (poly-Si) which is obtained by intermixing amorphous Si and Sb thin films during a heat treatment. By using cross-sectional transmission electron microscopy, we show that a high concentration of Sb enhances recrystallization of poly-Si, which eventually results in an epitaxial growth of Si. This is likely due to two possible mechanisms: an enhanced Si self-diffusivity caused by a high dopant concentration, and/or carrier recombination taking place at the interface between poly-Si and mono-crystalline Si, which enhances the mass transport at the interface.
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© 1989 Springer-Verlag Berlin, Heidelberg
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Gong, S.F., Hentzell, H.T.G., Radnoczi, G., Charai, A. (1989). Growth of Sb-Doped Epitaxial Si Layers Through Recrystallization of Poly-Si on a (100) Si Substrate. In: Möller, H.J., Strunk, H.P., Werner, J.H. (eds) Polycrystalline Semiconductors. Springer Proceedings in Physics, vol 35. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-93413-1_40
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DOI: https://doi.org/10.1007/978-3-642-93413-1_40
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