Nano Science and Technology Institute
Nanotech 2003 Vol. 3
Nanotech 2003 Vol. 3
Technical Proceedings of the 2003 Nanotechnology Conference and Trade Show, Volume 3
Chapter 12: Physical Chemistry of Nanomaterials

Modeling of Brillouin Spectrum of a Quantum Dot Crystal

Authors:O.L. Lazarenkova and A.A. Balandin
Affilation:University of California, Riverside, US
Pages:526 - 529
Keywords:nanostructures, quantum dots, phonons, Raman
Abstract:Model for simulation of the Brillouin spectra of three-dimensional regimented array of GeSi quantum dots in Si is proposed. We consider the low-energy part of the Raman spectrum that is determined by the transformed modes of three-dimensional folded acoustic phonons. These spectra are based on the phonon spectra found by numerical solution of elasticity equation. Shift and redistribution of intensity of Raman-active peaks depending on the composition of the GeSi solid solution, interdot distances, and quantum dot geometry are studied.
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