镍-银核心-壳纳米粒子四极振动的共振拉曼散射
凝聚态物理
2007-05-23 v1
摘要
对包含镍-银复合纳米粒子的薄膜进行低频拉曼散射实验。观察到当激发光子能量共振于表面双极激子时，四极振动拉曼散射被显著增强，其散射主要由银电子对等离子体激发所主导。拉曼结果与纳米粒子呈核-壳结构相符，银壳与镍核之间的键合较松散。
引用
@article{arxiv.cond-mat/0203468,
title = {Resonant Raman Scattering by quadrupolar vibrations of Ni-Ag Core-shell Nanoparticles},
author = {H. Portales and L. Saviot and E. Duval and M. Gaudry and E. Cottancin and M. Pellarin and J. Lerme and M. Broyer},
journal= {arXiv preprint arXiv:cond-mat/0203468},
year = {2007}
}
备注
3 figures. To be published in Phys. Rev. B