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説明:

We report on a photoemission microscopy apparatus using a 10.9-eV laser developed at National Institute for Materials Science (NIMS). Our spectrometer realizes photoemission spectroscopy with a high spatial resolution by combining an imaging double energy analyzer with the electronic lens system of a photoelectron emission microscopy. Energy-filtered photoelectron imaging is available in both real and momentum spaces. The spatial resolution in the real space mode is ~30 nm. We show energy-filtered photoelectron images of a silver grid-patterned sample in real space and the band mapping of Au(111) in momentum space to demonstrate the performance of our spectrometer.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Photoemission spectroscopy, Momentum microscope, Ultraviolet laser, Electronic property

刊行年月日: 2023-10-12

出版者: Surface Science Society Japan

掲載誌:

• e-Journal of Surface Science and Nanotechnology (ISSN: 13480391) vol. 22 issue. 1 p. 46-52 2023-066

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1380/ejssnt.2023-066

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更新時刻: 2024-04-24 08:30:12 +0900

MDRでの公開時刻: 2024-04-24 08:30:12 +0900