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Phonon confinement effects in the Raman scattering by TiO2 nanocrystals

✍ Scribed by Bersani, D.; Lottici, P. P.; Ding, Xing-Zhao


Book ID
118047463
Publisher
American Institute of Physics
Year
1998
Tongue
English
Weight
462 KB
Volume
72
Category
Article
ISSN
0003-6951

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## Abstract Spherical, rod‐ and tetrapod shaped CdSe nanocrystals are investigated by Raman spectroscopy and the longitudinal‐optical and surface optical phonons are observed. We find that the position of the longitudinal‐optical phonon slightly red‐shifts with decreasing diameter, whereas the posi