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|Title:||Selection rules for Raman scattering from eigenmodes of spherical nanoparticles|
|Authors:||Li, Y. |
|Citation:||Li, Y., Lim, H.S., Ng, S.C., Kuok, M.H. (2007-06-08). Selection rules for Raman scattering from eigenmodes of spherical nanoparticles. Chemical Physics Letters 440 (4-6) : 321-323. ScholarBank@NUS Repository. https://doi.org/10.1016/j.cplett.2007.04.033|
|Abstract:||The elastic vibrations of spherical nanoparticles have been widely studied by Raman scattering. However, there exist more than one set of selection rules for Raman scattering from these vibrations. For instance, Kanehisa has stated that only torsional modes with angular momentum l = 2 are Raman-active, while Tanaka et al. proposed that spheroidal modes of even l and torsional modes of odd l are Raman-active. These contradict selection rules of Duval which states that only spheroidal modes of l = 0 or 2 are Raman-active. Our present calculations based on a macroscopic model show that all torsional modes have vanishing intensity in the Raman spectrum. © 2007 Elsevier B.V. All rights reserved.|
|Source Title:||Chemical Physics Letters|
|Appears in Collections:||Staff Publications|
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