# Emitted secondary Electrons: In vacuo plasmon energy gain observation using a Three-Point probe method

https://mdr.nims.go.jp/datasets/dc6fe6f6-8f08-40fd-a755-c41189c811ee

## File

- [manuscript+supplementary_clear.docx](https://mdr.nims.go.jp/filesets/8accc965-75af-4f97-b55b-a65d9cce4727/download) ([Detail](https://mdr.nims.go.jp/filesets/8accc965-75af-4f97-b55b-a65d9cce4727.md))

## Id

dc6fe6f6-8f08-40fd-a755-c41189c811ee

## Local identifier



## Visibility

open_to_public

## State

published

## Created at

2023-03-30T06:49:31.354492Z

## Updated at

2024-05-10T23:30:20.653838Z

## Published at

2024-05-10T23:30:20.734691Z

## Doi

https://doi.org/10.48505/nims.4214

## First published url

https://doi.org/10.1016/j.apsusc.2022.153616

## Date published

2022-05-10

## Recorded date published

2022-9

## Resource type

journal_article

## Manuscript type

accepted_manuscript

## Collection



## Title

- title: 'Emitted secondary Electrons: In vacuo plasmon energy gain observation using
    a Three-Point probe method'
  title_type: original
  lang: en

## Description

- description: A surface plasmon energy gain for emitted secondary electrons (SEs)
    was recently observed in SE spectroscopy measurements from a tailor-made nanostructured
    Au specimen as a satellite on the high energy side of the vacuum level. However,
    thus far, this plasmon energy gain phenomenon has been observed only for Au samples
    because surface plasmons in Au arise at 2.3 eV, which is relatively far from the
    strong background cascade peak of SEs. Here, we report a brand-new three-point
    probe method, for enlarging the surface plasmon energy gain structure in SE spectra.
    Using this scheme, three different SE energy spectra were measured from nanostructured
    samples of Au and Ag. By combining their spectra, the surface plasmon energy gain
    structure of Au and Ag can be clearly observed. The observed structures revealed
    that the plasmon energy gain process for SEs contributing to a potentially observable
    feature in a spectrum occurs only in vacuum above the sample surface and is naturally
    related only to surface plasmons. This unusual plasmon energy gain phenomenon
    observed by the three-point probe method suggests the potential for development
    of a new physical image directly in space based on surface plasmons in vacuum
    above the surface of a medium.
  description_type: abstract
  lang: eng

## Creator

- name: B. Da
  role: author
  orcid: https://orcid.org/0000-0002-0785-8662
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: X. Liu
  role: author
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: J.M. Gong
  role: author
- name: Z.H. Zhang
  role: author
- name: Z.J. Ding
  role: author
- name: N.T. Cuong
  role: author
- name: J. Hu
  role: author
- name: J.W. Liu
  role: author
  orcid: https://orcid.org/0000-0003-2580-7401
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: Z.S. Gao
  role: author
- name: H.X. Guo
  role: author
- name: H.X. Wang
  role: author
  orcid: https://orcid.org/0000-0002-8984-0764
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: H. Zhang
  role: author
  orcid: https://orcid.org/0000-0003-0298-8502
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: Y. Harada
  role: author
  orcid: https://orcid.org/0000-0001-9380-2106
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: H. Yoshikawa
  role: author
  orcid: https://orcid.org/0000-0002-7389-8865
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26
- name: S. Tanuma
  role: author
  orcid: https://orcid.org/0000-0003-2628-9941
  organization: National Institute for Materials Science
  ror: https://ror.org/026v1ze26

## Contact agent



## Publisher

organization: Elsevier BV

## Managing organization



## Keyword

- subject: surface plasmon energy gain
  schema: not_defined
- subject: secondary electron
  schema: not_defined

## Rights

- identifier: https://creativecommons.org/licenses/by-nc-nd/4.0/

## Other identifier(s)



## Data origin

- data_origin_type: other

## Embargo

start_date: 2022-05-10
end_date: 2024-05-11

## Journal

- title: APPLIED SURFACE SCIENCE
  issn: '01694332'
  volume: '596'
  start_page: 153616
  end_page: 153616

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## Fileset

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  filename: manuscript+supplementary_clear.docx
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filename: manuscript+supplementary_clear.docx