真空紫外激光器光发射显微装置的研制

IF 0.5 Q4 NANOSCIENCE & NANOTECHNOLOGY

E-journal of Surface Science and Nanotechnology Pub Date : 2023-10-12 DOI:10.1380/ejssnt.2023-066

Koichiro Yaji, Shunsuke Tsuda

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引用次数: 0

摘要

我们报道了在国家材料科学研究所(NIMS)开发的使用10.9 ev激光器的光发射显微镜装置。该光谱仪将成像双能分析仪与光电发射显微镜的电子透镜系统相结合，实现了高空间分辨率的光电发射光谱。能量过滤光电子成像可用于实空间和动量空间。实空间模式下的空间分辨率为~ 30 nm。我们展示了银网格样品在真实空间中的能量过滤光电子图像和Au(111)在动量空间中的能带映射，以证明我们的光谱仪的性能。

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Development of a Photoemission Microscopy Apparatus Using a Vacuum Ultraviolet Laser

We report on a photoemission microscopy apparatus using a 10.9-eV laser developed at the 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 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.

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来源期刊

E-journal of Surface Science and Nanotechnology NANOSCIENCE & NANOTECHNOLOGY-

CiteScore

1.10

自引率

14.30%

发文量

审稿时长

12 weeks

期刊介绍： Our completely electronic and open-access journal aims at quick and versatile-style publication of research papers on fundamental theory and experiments at frontiers of science and technology relating to surfaces, interfaces, thin films, fine particles, nanowires, nanotubes, and other nanometer-scale structures, and their interdisciplinary areas such as crystal growth, vacuum technology, and so on. It covers their physics, chemistry, biology, materials science, and their applications to advanced technology for computations, communications, memory, catalysis, sensors, biological and medical purposes, energy and environmental problems, and so on.