Synchronous electron-nuclear vibrations in a π-conjugated nanopoly(acetylene) chain

被引：9
|
作者：
Paraschuk, DY
Kobryanskii, VM
机构：
[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia
[2] Russian Acad Sci, NN Semenov Chem Phys Inst, Moscow 117997, Russia
来源：
JETP LETTERS | 2001年 / 73卷 / 03期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/1.1364545
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
An unusual behavior was observed for the spontaneous Raman spectra in the range of the passband of trans-poly(acetylene) nanoparticles. The following phenomena are observed for the stretching carbon-carbon vibrations: large scattering cross section; high anti-Stokes-to-Stokes ratio; no correlation between the absorption spectra of trans-nanopoly(acetylene) and the Raman excitation spectrum. A qualitative model is proposed for synchronous weakly damping electron-nuclear vibrations in the ordered poly(acetylene) chain. (C) 2001 MAIK "Nauka/ Interperiodica".
引用
收藏
页码：152 / 155
页数：4
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