The spectrum of vibration modes in soft opals

被引：28

作者：

Cheng, W

Wang, JJ

Jonas, U

Steffen, W

Fytas, G

Penciu, RS

Economou, EN

机构：

[1] Max Planck Inst Polymer Res, D-55128 Mainz, Germany

[2] Fdn Res & Technol Hellas, FORTH, Inst Elect Struct & Laser & Technol, Iraklion 71110, Greece

[3] Univ Crete, Dept Mat Sci & Technol, Iraklion 71003, Greece

来源：

JOURNAL OF CHEMICAL PHYSICS | 2005年 / 123卷 / 12期

关键词：

D O I：

10.1063/1.2046607

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Numerous vibrational modes of spherical submicrometer particles in fabricated soft opals are experimentally detected by Brillouin light scattering and theoretically identified by their spherical harmonics by means of single-phonon scattering-cross-section calculations. The particle size polydispersity is reflected in the line shape of the low-frequency modes, whereas lattice vibrations are probably responsible for the observed overdamped transverse mode. (c) 2005 American Institute of Physics.

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页数：4

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