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由ε探讨SERS效应的电磁增强机理
Discussion on the electromagnetic theory of SERS according to dielectric function.
【摘要】 从能够产生表面增强拉曼散射(SERS)效应的典型金属——银出发,讨论其在光频段的介电函数及与此介电函数相关的表面等离子体共振现象,进而用表面等离子体共振理论讨论SERS效应的电磁增强机理.
【Abstract】 Silver is the typical metal that can lead to the surface enhanced Raman scattering(SERS) effect.In this paper, the dielectric function of silver is discussed. Furthermore,the surface plasma resonance(SPR)effect,which is concerned with the dielectric function intimately,is studied.The electromagnetic enhancing theory of SERS-SPR is also discussed.
【关键词】 表面增强拉曼散射;
介电函数;
表面等离子体共振;
【Key words】 surface enhanced Raman scattering(SERS); dielectric function; surface plasma resonance(SPR);
【Key words】 surface enhanced Raman scattering(SERS); dielectric function; surface plasma resonance(SPR);
- 【文献出处】 浙江大学学报(理学版) ,Journal of Zhejiang University(Sciences Edition) , 编辑部邮箱 ,2004年03期
- 【分类号】O561
- 【被引频次】6
- 【下载频次】174