Abstract
The lattice dynamical properties of Si/Ge superlattices are studied by means of the interplanar force constants recently calculated ab-initio for strained bulk Si and Ge. The longitudinal modes of (001)-grown superlattices, with different strain distributions, can be accurately studied. We compare our results with available experimental data. We discuss the possible extension of our conclusions to other IV/IV superlattices, particularly to α-Sn/Ge.
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© 1991 Plenum Press, New York
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Fasolino, A., Molinari, E., Qteish, A. (1991). Combined Effect of Strain and Confinement on the Phonon Spectra of IV/IV Superlattices: Towards a Quantitative Description. In: Beeby, J.L., Bhattacharya, P.K., Gravelle, P.C., Koch, F., Lockwood, D.J. (eds) Condensed Systems of Low Dimensionality. NATO ASI Series, vol 253. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-1348-9_38
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DOI: https://doi.org/10.1007/978-1-4684-1348-9_38
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