Orbital Angular Momentum of Iron Valence Band Electron Deduced by Photoelectron Stereography(Atomic and molecular physics)

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概要

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• Two-dimensional angular distribution patterns of Fe 3p and 3d photoelectrons from an Fe(111) surface were measured using circularly polarized soft X-ray at SPring-8. The circular dichroism of rotational shift in forward focusing peaks (FFPs) around the incident-light axis was observed. Shifts of the FFPs in the [111], {110}, and {100} directions were inversely proportional to the distances between the emitter and neighboring atoms in the corresponding directions. These shifts correspond to the parallax in the stereograph of the atomic arrangements. We found that the orbital angular momentum of a valence band can be deduced precisely from the ratio of forward focusing peak shifts between 3p and 3d. The orbital angular momenta of 3d valence electrons are found to be almost equally distributed from -2 to 2.

• 社団法人日本物理学会の論文
• 2008-10-15

著者

• MATSUI Fumihiko

  Nara Institute of Science and Technology (NAIST)

• DAIMON Hiroshi

  Nara Institute of Science and Technology (NAIST)

• Matsushita Tomohiro

  Jasri Spring-8

• Daimon Hiroshi

  Graduate School Of Materials Science Nara Institute Of Science And Technology(naist)

• GOTO Kentaro

  Nara Institute of Science and Technology (NAIST)

• KATO Yukako

  Nara Institute of Science and Technology (NAIST)

• Kato Yukako

  Nara Institute Of Science And Technology (naist):jasri Spring-8

関連論文

• New simple photoemission electron microscope with an energy filter (第48回真空に関する連合講演会プロシーディングス--2007年11月14日〜16日,東京)
• Stereo-microscopy of atomic arrangements on thin films using circular dichroism in x-ray photoelectron angular distribution (Invited Peview Paper)
• Orbital Angular Momentum of Iron Valence Band Electron Deduced by Photoelectron Stereography(Atomic and molecular physics)
• Site-Specific Orbital Angular Momentum Analysis of Graphite Valence Electron Using Photoelectron Forward Focusing Peaks(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
• Scanning Tunneling Microscopy Observation of Germapericycline on a Graphite Surface
• Development of High-Energy-Resolution Display-Type Photoelectron Spectrometer in the Ultraviolet Photoelectron Spectroscopy Region
• Photoelectron Diffraction and Holographic Reconstruction of Graphite

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