Authors
Abdo Iskandar, A Gwiazda, Yi Huang, Michel Kazan, Aurelien Bruyant, Malek Tabbal, Gilles Lerondel,
Title
Modification of the phonon spectrum of bulk Si through surface nanostructuring
In
Journal of Applied Physics
Volume
120
Issue
9
Pages
095106
Publisher
AIP Publishing
Year
2016
Publisher's URL
http://aip.scitation.org/doi/abs/10.1063/1.4962208
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Abstract
In this paper, we present experimental evidence on the change of the phonon spectrum and vibrational properties of a bulk material through phonon hybridization mechanisms. The phonon spectrum in a finite material is strongly affected by the presence of free surfaces, which is the addition of a contribution from an essentially two-dimensional crystal. The phonon spectrum of a bulk material can hence be altered by a hybridization mechanism between confined phonon modes in nanostructures introduced on the surface of a bulk ...
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