Microscopic calculations on Raman scattering from acousitc phonons confined in Si nanocrystals

Details Microscopic calculations on Raman scattering from acousitc phonons confined in Si nanocrystals Microscopic calculations on Raman scattering from acousitc phonons confined in Si nanocrystals

1998-07-22

arxiv.org/abs/cond-mat/9807293v1

Phys. Rev. B58, 6712(1998)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 3 figures, RevTex; to appear in Phys. Rev. B, Aug. 15, 1998

Scientific paper

10.1103/PhysRevB.58.6712

Raman scattering from the acoustic phonons confied in si nanocrystals is investigated by a microscopic lattice-dynamical calculation. Polarized and depolarized spectra are found to be rather different, indicated from different acoustic phonons. The polarized scattering is more pronounced than the depolarized one. The calculated results are compared with the recent experimental data. The matrix effects are discussed.

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