Electron Energy Loss Spectroscopy of a Chiral Plasmonic Structure

Electron Energy Loss Spectroscopy of a Chiral Plasmonic Structure
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手性等离子体结构的电子能量损失谱

DOI:
10.1088/1742-6596/644/1/012005
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发表时间:
2015
期刊:
Conference Series
影响因子:
--
通讯作者:
Paterson G
Paterson G
中科院分区:
--
文献类型:
--
作者:
Paterson G

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详细分析了纳米金手性生物传感器元件内的等离子体激发,用扫描透射电子显微镜电子能量损失谱测量。我们讨论了数据采集、处理、分析和仿真方面的问题。使用非负矩阵分解提取结构中的局部表面等离子体共振模式,我们使用模拟来关联从理想光谱到纳米制造缺陷的显着偏差。所提出的方法广泛适用于各种超材料。
A detailed analysis of the plasmonic excitations within a nanopatterned gold chiral biosensor element, measured by scanning transmission electron microscopy electron energy loss spectroscopy, is presented. We discuss aspects of data acquisition, processing, analysis and simulation. The localised surface plasmonic resonance modes in the structure are extracted using non-negative matrix factorisation and we use simulations to correlate notable deviations from the idealised spectrum to nanometric fabrication imperfections. The methodology presented has wide applicability to a variety of metamaterials.
DOI: 10.1038/44565
发表时间: 1999-10-21
期刊: NATURE
影响因子: 64.8
作者:
Lee, DD;Seung, HS
通讯作者: Seung, HS