Probing plasmons in three dimensions by combining complementary spectroscopies in a scanning transmission electron microscope

J. A. Hachtel; C. Marvinney; A. Mouti; D. Mayo; R. Mu; S. J. Pennycook; A. R. Lupini; M. F. Chisholm; R. F. Haglund; S. T. Pantelides

doi:10.1088/0957-4484/27/15/155202

Probing plasmons in three dimensions by combining complementary spectroscopies in a scanning transmission electron microscope

J. A. Hachtel, C. Marvinney, A. Mouti, D. Mayo, R. Mu, S. J. Pennycook, A. R. Lupini, M. F. Chisholm, R. F. Haglund, S. T. Pantelides

electron Microscopy and Microanalysis

Research output: Contribution to journal › Article › peer-review

5 Scopus citations

Abstract

The nanoscale optical response of surface plasmons in three-dimensional metallic nanostructures plays an important role in many nanotechnology applications, where precise spatial and spectral characteristics of plasmonic elements control device performance. Electron energy loss spectroscopy (EELS) and cathodoluminescence (CL) within a scanning transmission electron microscope have proven to be valuable tools for studying plasmonics at the nanoscale. Each technique has been used separately, producing three-dimensional reconstructions through tomography, often aided by simulations for complete characterization. Here we demonstrate that the complementary nature of the two techniques, namely that EELS probes beam-induced electronic excitations while CL probes radiative decay, allows us to directly obtain a spatially- and spectrally-resolved picture of the plasmonic characteristics of nanostructures in three dimensions. The approach enables nanoparticle-by-nanoparticle plasmonic analysis in three dimensions to aid in the design of diverse nanoplasmonic applications.

Original language	English
Article number	155202
Journal	Nanotechnology
Volume	27
Issue number	15
DOIs	https://doi.org/10.1088/0957-4484/27/15/155202
State	Published - Mar 2 2016

Funding

This work was funded by NSF-EPS-1004083 (JAH) Department of Energy grant DE-FG02-09ER46554 (JAH, STP), the Department of Energy, Office of Science, Basic Energy Sciences, Materials Sciences and Engineering Division. (AM, SJP, ARL, MFC) and the DOE EERE SunShot Fundamental Program to Advance Cell Efficiency (AM, SJP) and the Saudi National Science Fund (AM). CEM and RFH acknowledge support from the Office of Science, US Department of Energy (DE-FG02-01ER45916) for the fabrication of the nanowires and the FDTD simulations. DCM and RRM gratefully acknowledge financial support from the United States Department of Defense (W911NF-11-1-0156), and the National Science Foundation NSF-CREST Center for the Physics and Chemistry of Materials (HRD-0420516) for tasks related to the fabrication and characterization of the nanowires. STP also acknowledges support from the McMinn Endowment at Vanderbilt University.

Funders	Funder number
NSF-EPS-1004083
National Science Foundation NSF-CREST Center for the Physics and Chemistry of Materials	HRD-0420516
Saudi National Science Fund
U.S. Department of Defense	W911NF-11-1-0156
U.S. Department of Energy	DE-FG02-09ER46554, DE-FG02-01ER45916
Office of Science
Office of Energy Efficiency and Renewable Energy
Basic Energy Sciences
Vanderbilt University
Division of Materials Sciences and Engineering

Keywords

cathodoluminescence
electron energy loss spectroscopy
scanning transmission electron microscopy
surface plasmons

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Cite this

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title = "Probing plasmons in three dimensions by combining complementary spectroscopies in a scanning transmission electron microscope",

abstract = "The nanoscale optical response of surface plasmons in three-dimensional metallic nanostructures plays an important role in many nanotechnology applications, where precise spatial and spectral characteristics of plasmonic elements control device performance. Electron energy loss spectroscopy (EELS) and cathodoluminescence (CL) within a scanning transmission electron microscope have proven to be valuable tools for studying plasmonics at the nanoscale. Each technique has been used separately, producing three-dimensional reconstructions through tomography, often aided by simulations for complete characterization. Here we demonstrate that the complementary nature of the two techniques, namely that EELS probes beam-induced electronic excitations while CL probes radiative decay, allows us to directly obtain a spatially- and spectrally-resolved picture of the plasmonic characteristics of nanostructures in three dimensions. The approach enables nanoparticle-by-nanoparticle plasmonic analysis in three dimensions to aid in the design of diverse nanoplasmonic applications.",

keywords = "cathodoluminescence, electron energy loss spectroscopy, scanning transmission electron microscopy, surface plasmons",

author = "Hachtel, {J. A.} and C. Marvinney and A. Mouti and D. Mayo and R. Mu and Pennycook, {S. J.} and Lupini, {A. R.} and Chisholm, {M. F.} and Haglund, {R. F.} and Pantelides, {S. T.}",

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AU - Marvinney, C.

AU - Mouti, A.

AU - Mayo, D.

AU - Mu, R.

AU - Pennycook, S. J.

AU - Lupini, A. R.

AU - Chisholm, M. F.

AU - Haglund, R. F.

AU - Pantelides, S. T.

PY - 2016/3/2

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N2 - The nanoscale optical response of surface plasmons in three-dimensional metallic nanostructures plays an important role in many nanotechnology applications, where precise spatial and spectral characteristics of plasmonic elements control device performance. Electron energy loss spectroscopy (EELS) and cathodoluminescence (CL) within a scanning transmission electron microscope have proven to be valuable tools for studying plasmonics at the nanoscale. Each technique has been used separately, producing three-dimensional reconstructions through tomography, often aided by simulations for complete characterization. Here we demonstrate that the complementary nature of the two techniques, namely that EELS probes beam-induced electronic excitations while CL probes radiative decay, allows us to directly obtain a spatially- and spectrally-resolved picture of the plasmonic characteristics of nanostructures in three dimensions. The approach enables nanoparticle-by-nanoparticle plasmonic analysis in three dimensions to aid in the design of diverse nanoplasmonic applications.

AB - The nanoscale optical response of surface plasmons in three-dimensional metallic nanostructures plays an important role in many nanotechnology applications, where precise spatial and spectral characteristics of plasmonic elements control device performance. Electron energy loss spectroscopy (EELS) and cathodoluminescence (CL) within a scanning transmission electron microscope have proven to be valuable tools for studying plasmonics at the nanoscale. Each technique has been used separately, producing three-dimensional reconstructions through tomography, often aided by simulations for complete characterization. Here we demonstrate that the complementary nature of the two techniques, namely that EELS probes beam-induced electronic excitations while CL probes radiative decay, allows us to directly obtain a spatially- and spectrally-resolved picture of the plasmonic characteristics of nanostructures in three dimensions. The approach enables nanoparticle-by-nanoparticle plasmonic analysis in three dimensions to aid in the design of diverse nanoplasmonic applications.

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Probing plasmons in three dimensions by combining complementary spectroscopies in a scanning transmission electron microscope

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