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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Editor-in-Chief: Rademann, Klaus


IMPACT FACTOR 2018: 0.975
5-year IMPACT FACTOR: 1.021

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.327
Source Normalized Impact per Paper (SNIP) 2018: 0.391

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2196-7156
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Volume 230, Issue 4

Issues

Circular Dichroism in Cu Resonant Auger Electron Diffraction

Fumihiko Matsui
  • Corresponding author
  • Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192, Japan
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/ Naoyuki Maejima
  • Nara Institute of Science and Technology, Nara 630-0192, Japan
  • Present affiliation: Condensed Matter Science Unit, Quantum Beam Science Center, Japan Atomic Energy Agency, Sayo, Hyogo 679-5198, Japan
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/ Hirosuke Matsui
  • Nara Institute of Science and Technology, Nara 630-0192, Japan
  • Present affiliation: Department of Chemistry, Graduate School of Science, Nagoya University, Nagoya, Aichi 464-8602, Japan
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/ Hiroaki Nishikawa
  • Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192, Japan
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/ Hiroshi Daimon
  • Graduate School of Materials Science, Nara Institute of Science and Technology, Takayama 8916-5, Ikoma, Nara 630-0192, Japan
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/ Tomohiro Matsushita
  • Japan Synchrotron Radiation Research Institute (JASRI), SPring-8, Koto 1-1-1, Sayo, Hyogo 679-5198, Japan
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/ Matthias Muntwiler / Roland Stania / Thomas Greber
Published Online: 2015-10-23 | DOI: https://doi.org/10.1515/zpch-2015-0665

Abstract

Upon a core level excitation by circularly polarized light (CPL), the angular momentum of light, i.e. helicity, is transferred to the emitted photoelectron. This phenomenon can be confirmed by the parallax shift measurement of the forward focusing peak (FFP) direction in a stereograph of the atomic arrangement. The angular momentum of the emitted photoelectron is the sum of CPL helicity and the magnetic quantum number (MQN) of the initial state that define the quantum number of the core hole final state. The core hole may decay via Auger electron emission, where in this two electron process the angular momentum has to be conserved as well. Starting from a given core hole, different Auger decay channels with different final state energies and angular momenta of the emitted Auger electrons may be populated. Here we report the observation and formulation of the angular momentum transfer of light to Auger electrons, instead of photoelectrons. We measured photoelectron and Auger electron intensity angular distributions from Cu(111) and Cu(001) surfaces as a function of photon energy and photoelectron kinetic energy. By combining Auger electron spectroscopy with the FFP shift measurements at absorption threshold, element- and MQN-specific hole states can be generated in the valence band.

Keywords: Photoelectron Diffraction; Auger Electron; Circular Dichroism; Atomic Orbital

About the article

Accepted: 2015-09-22

Received: 2015-07-24

Published Online: 2015-10-23

Published in Print: 2016-04-28


Citation Information: Zeitschrift für Physikalische Chemie, Volume 230, Issue 4, Pages 519–535, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1515/zpch-2015-0665.

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Citing Articles

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[1]
Fumihiko Matsui, Tomohiro Matsushita, and Hiroshi Daimon
Journal of the Physical Society of Japan, 2018, Volume 87, Number 6, Page 061004
[2]
Fumihiko Matsui, Hiroshi Ota, Kenji Sugita, Matthias Muntwiler, Roland Stania, and Thomas Greber
Physical Review B, 2018, Volume 97, Number 3
[3]
Fumihiko MATSUI
Hyomen Kagaku, 2017, Volume 38, Number 11, Page 542

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