Permittivity imaged at the nanoscale using tip-enhanced Raman spectroscopy,Nanoscale Horizons

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Permittivity imaged at the nanoscale using tip-enhanced Raman spectroscopy
Nanoscale Horizons ( IF 8.0 ) Pub Date : 2017-08-11 00:00:00 , DOI: 10.1039/c7nh00075h
Julien Plathier _{1,

2,

3} , Andrey Krayev _{4,

5,

6} , Vasili Gavrilyuk _{4,

5,

6} , Alain Pignolet _{1,

2,

3} , Andreas Ruediger _{1,

2,

3}

Affiliation

Localized surface plasmon resonances are the dominating contribution to the optical enhancement and the lateral resolution in tip-enhanced Raman spectroscopy. This well studied phenomenon may give access to more information about the sample than the enhanced Raman spectra alone due to its sensitivity to the permittivity of the tip environment. In this work, the effects of the permittivity of the sample on the properties of localized surface plasmon resonance are studied through the amplified signal of the luminescence of gold tips.

中文翻译：

使用尖端增强拉曼光谱在纳米级成像的介电常数

局部表面等离子体激元共振是尖端增强拉曼光谱中光学增强和横向分辨率的主要贡献。与单独的增强拉曼光谱相比，这种经过充分研究的现象可能会提供有关样品的更多信息，这是因为其对尖端环境的介电常数敏感。在这项工作中，通过金尖端发光的放大信号研究了样品的介电常数对局部表面等离子体激元共振特性的影响。

更新日期：2017-08-21

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