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Confined optical phonon modes in aligned nanorod arrays detected by resonant inelastic light scattering (Articolo in rivista)

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Confined optical phonon modes in aligned nanorod arrays detected by resonant inelastic light scattering (Articolo in rivista) (literal)

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Nobile, C; Fonoberov, VA; Kudera, S; Della Torre, A; Ruffino, A; Chilla, G; Kipp, T; Heitmann, D; Manna, L; Cingolani, R; Balandin, AA; Krahne, R (2007)
Confined optical phonon modes in aligned nanorod arrays detected by resonant inelastic light scattering
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Nobile, C; Fonoberov, VA; Kudera, S; Della Torre, A; Ruffino, A; Chilla, G; Kipp, T; Heitmann, D; Manna, L; Cingolani, R; Balandin, AA; Krahne, R (literal)

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CNR, INFM, Natl Nanotechnol Lab, I-73100 Lecce, Italy; Univ Calif Riverside, Dept Elect Engn, Riverside, CA 92521 USA; Univ Hamburg, Inst Appl Phys, D-20355 Hamburg, Germany (literal)

Titolo

Confined optical phonon modes in aligned nanorod arrays detected by resonant inelastic light scattering (literal)

Abstract

We investigated the optical phonon excitations of laterally aligned nanorod arrays by resonant Raman scattering. We observed a strong suppression of the surface-optical phonon modes in the closely packed aligned arrays and a small asymmetry in the longitudinal-optical phonon peak with respect to the rod alignment orientation. These observations can be explained by the spatial distribution of the potential of the different phonon modes derived from the first principles calculations. (literal)

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