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  Plasmon-Assisted Resonant Electron Tunneling in a Scanning Tunneling Microscope Junction

Liu, S., Wolf, M., & Kumagai, T. (2018). Plasmon-Assisted Resonant Electron Tunneling in a Scanning Tunneling Microscope Junction. Physical Review Letters, 121(22): 226802. doi:10.1103/PhysRevLett.121.226802.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0002-B2A6-9 Version Permalink: https://hdl.handle.net/21.11116/0000-0002-B2A9-6
Genre: Journal Article

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PhysRevLett.121.226802.pdf (Publisher version), 5MB
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 Creators:
Liu, Shuyi1, Author           
Wolf, Martin1, Author           
Kumagai, Takashi1, 2, Author           
Affiliations:
1Physical Chemistry, Fritz Haber Institute, Max Planck Society, ou_634546              
2JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan, ou_persistent22              

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 Abstract: We report plasmon-assisted resonant electron tunneling from a Ag or Au tip to field emission resonances (FERs) of a Ag(111) surface induced by cw laser excitation of a scanning tunneling microscope (STM) junction at visible wavelengths. As a hallmark of the plasmon-assisted resonant tunneling, we observe a downshift of the first peak in the FER spectra by a fixed amount equal to the incident photon energy. STM-induced luminescence measurement for the Ag and Au tip reveals the clear correlation between the laser-induced change in the FER spectra and the plasmonic properties of the junction. Our results clarify a novel resonant electron transfer mechanism in a plasmonic nanocavity.

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Language(s): eng - English
 Dates: 2018-05-102018-11-302018-11
 Publication Status: Issued
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1103/PhysRevLett.121.226802
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: 6 Volume / Issue: 121 (22) Sequence Number: 226802 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1