Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements

A. Losquin, L.F. Zagonel, V. Myroshnychenko, B. Rodríguez-González, M. Tencé, L. Scarabelli, J. Förstner, L.M. Liz-Marzán, F.J. García de Abajo, O. Stéphan, M. Kociak, Nano Letters 15 (2015) 1229–1237.

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Journal Article | Published | English
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Abstract
Plasmon modes of the exact same individual gold nanoprisms are investigated through combined nanometer-resolved electron energy-loss spectroscopy (EELS) and cathodoluminescence (CL) measurements. We show that CL only probes the radiative modes, in contrast to EELS, which additionally reveals dark modes. The combination of both techniques on the same particles thus provides complementary information and also demonstrates that although the radiative modes give rise to very similar spatial distributions when probed by EELS or CL, their resonant energies appear to be different. We trace this phenomenon back to plasmon dissipation, which affects in different ways the plasmon signatures probed by these techniques. Our experiments are in agreement with electromagnetic numerical simulations and can be further interpreted within the framework of a quasistatic analytical model. We therefore demonstrate that CL and EELS are closely related to optical scattering and extinction, respectively, with the addition of nanometer spatial resolution.
Publishing Year
Journal Title
Nano Letters
Volume
15
Issue
2
Page
1229-1237
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Losquin A, Zagonel LF, Myroshnychenko V, et al. Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements. Nano Letters. 2015;15(2):1229-1237. doi:10.1021/nl5043775
Losquin, A., Zagonel, L. F., Myroshnychenko, V., Rodríguez-González, B., Tencé, M., Scarabelli, L., … Kociak, M. (2015). Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements. Nano Letters, 15(2), 1229–1237. https://doi.org/10.1021/nl5043775
@article{Losquin_Zagonel_Myroshnychenko_Rodríguez-González_Tencé_Scarabelli_Förstner_Liz-Marzán_García de Abajo_Stéphan_et al._2015, title={Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements}, volume={15}, DOI={10.1021/nl5043775}, number={2}, journal={Nano Letters}, publisher={American Chemical Society (ACS)}, author={Losquin, Arthur and Zagonel, Luiz F. and Myroshnychenko, Viktor and Rodríguez-González, Benito and Tencé, Marcel and Scarabelli, Leonardo and Förstner, Jens and Liz-Marzán, Luis M. and García de Abajo, F. Javier and Stéphan, Odile and et al.}, year={2015}, pages={1229–1237} }
Losquin, Arthur, Luiz F. Zagonel, Viktor Myroshnychenko, Benito Rodríguez-González, Marcel Tencé, Leonardo Scarabelli, Jens Förstner, et al. “Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements.” Nano Letters 15, no. 2 (2015): 1229–37. https://doi.org/10.1021/nl5043775.
A. Losquin et al., “Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements,” Nano Letters, vol. 15, no. 2, pp. 1229–1237, 2015.
Losquin, Arthur, et al. “Unveiling Nanometer Scale Extinction and Scattering Phenomena through Combined Electron Energy Loss Spectroscopy and Cathodoluminescence Measurements.” Nano Letters, vol. 15, no. 2, American Chemical Society (ACS), 2015, pp. 1229–37, doi:10.1021/nl5043775.

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