Micro-spectroscopy of buried short-range surface plasmon polaritons supported by thin polycrystalline gold films

Malte Großmann; Maximilian Black; Joris Jaruschewski; Alwin Klick; Till Leißner; Jacek Fiutowski; Horst Günter Rubahn; Michael Bauer

doi:10.1007/s11468-020-01333-1

Micro-spectroscopy of buried short-range surface plasmon polaritons supported by thin polycrystalline gold films

Malte Großmann^*
, Maximilian Black
, Joris Jaruschewski
, Alwin Klick
, Till Leißner
, Jacek Fiutowski
, Horst Günter Rubahn
, Michael Bauer

^*Corresponding author for this work

Christian-Albrechts-University of Kiel

Research output: Contribution to journal › Journal article › Research › peer-review

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Abstract

The dispersive properties of short-range surface plasmon polaritons are investigated at the buried interfaces in vacuum/Au/fused silica and vacuum/Au/SiO₂/Si multilayer systems for different gold film thicknesses of up to 50 nm using two-photon photoemission electron microscopy. The experimental data agrees excellently with results of transfer matrix method simulations, emphasizing the sensitivity of the plasmonic wave vector to the thickness of the gold film and an ultrathin native substrate oxide layer. The results furthermore illustrate the exceptional qualification of low-energy electron photoemission techniques in studying electronic excitations at buried interfaces.

Original language	English
Journal	Plasmonics
Volume	16
Issue number	3
Pages (from-to)	737-746
ISSN	1557-1955
DOIs	https://doi.org/10.1007/s11468-020-01333-1
Publication status	Published - Jun 2021

Funding

This work was funded by the German Research Foundation (DFG) through the Collaborative Research Center 677 “Function by Switching.” Jacek Fiutowski and Till Leißner thank the Fabrikant Mads Clausen’s Foundation for a research grant supporting this work. Open Access publishing was funded through Projekt DEAL.

Keywords

Buried interface
Plasmonics
Short range plasmons
SPP
Surface plasmon polaritons

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10.1007/s11468-020-01333-1Licence: CC BY

Open Access VersionFinal published version, 3.38 MBLicence: CC BY

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title = "Micro-spectroscopy of buried short-range surface plasmon polaritons supported by thin polycrystalline gold films",

abstract = "The dispersive properties of short-range surface plasmon polaritons are investigated at the buried interfaces in vacuum/Au/fused silica and vacuum/Au/SiO2/Si multilayer systems for different gold film thicknesses of up to 50 nm using two-photon photoemission electron microscopy. The experimental data agrees excellently with results of transfer matrix method simulations, emphasizing the sensitivity of the plasmonic wave vector to the thickness of the gold film and an ultrathin native substrate oxide layer. The results furthermore illustrate the exceptional qualification of low-energy electron photoemission techniques in studying electronic excitations at buried interfaces.",

keywords = "Buried interface, Plasmonics, Short range plasmons, SPP, Surface plasmon polaritons",

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T1 - Micro-spectroscopy of buried short-range surface plasmon polaritons supported by thin polycrystalline gold films

AU - Großmann, Malte

AU - Black, Maximilian

AU - Jaruschewski, Joris

AU - Klick, Alwin

AU - Leißner, Till

AU - Fiutowski, Jacek

AU - Rubahn, Horst Günter

AU - Bauer, Michael

PY - 2021/6

Y1 - 2021/6

N2 - The dispersive properties of short-range surface plasmon polaritons are investigated at the buried interfaces in vacuum/Au/fused silica and vacuum/Au/SiO2/Si multilayer systems for different gold film thicknesses of up to 50 nm using two-photon photoemission electron microscopy. The experimental data agrees excellently with results of transfer matrix method simulations, emphasizing the sensitivity of the plasmonic wave vector to the thickness of the gold film and an ultrathin native substrate oxide layer. The results furthermore illustrate the exceptional qualification of low-energy electron photoemission techniques in studying electronic excitations at buried interfaces.

AB - The dispersive properties of short-range surface plasmon polaritons are investigated at the buried interfaces in vacuum/Au/fused silica and vacuum/Au/SiO2/Si multilayer systems for different gold film thicknesses of up to 50 nm using two-photon photoemission electron microscopy. The experimental data agrees excellently with results of transfer matrix method simulations, emphasizing the sensitivity of the plasmonic wave vector to the thickness of the gold film and an ultrathin native substrate oxide layer. The results furthermore illustrate the exceptional qualification of low-energy electron photoemission techniques in studying electronic excitations at buried interfaces.

KW - Buried interface

KW - Plasmonics

KW - Short range plasmons

KW - SPP

KW - Surface plasmon polaritons

U2 - 10.1007/s11468-020-01333-1

DO - 10.1007/s11468-020-01333-1

M3 - Journal article

AN - SCOPUS:85097865722

SN - 1557-1955

VL - 16

SP - 737

EP - 746

JO - Plasmonics

JF - Plasmonics

IS - 3

ER -

Micro-spectroscopy of buried short-range surface plasmon polaritons supported by thin polycrystalline gold films

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