Scanning Tunneling Microscopy Combined with Hard X-ray Microbeam of High Brilliance from Synchrotron Radiation Source
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概要
- 論文の詳細を見る
In situ scanning tunneling microscopy (STM) with highly brilliant hard X-ray irradiation was enabled at SPring-8. To obtain a good signal-to-noise ratio for elemental analysis, an X-ray beam with a limited size of $ \varphi 10$ μm was aligned to a specially designed STM stage in ultrahigh vacuum. Despite various types of noises and a large radiation load around the STM probe, STM images were successfully observed with atomic resolution. The use of a new system for elemental analysis was also attempted, which was based on the modulation of tunneling signals rather than emitted electrons. Among tunneling signals, tunneling current was found to be better than tip height as a signal to be recorded, because the former reduces markedly the error of measurement. On a Ge nanoisland on a clean Si(111) surface, the modulation of tunneling current was achieved by changing the incident photon energy across the Ge absorption edge.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2006-03-15
著者
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Miwa Daigo
Riken/spring-8
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Kuwahara Yuji
Department Of Material And Life Science Faculty Of Engineering Osaka University
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YABASHI Makina
JASRI/Spring-8
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Ishikawa Tetsuya
Riken Harima Institute
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Aono Masakazu
Department Of Precision Science And Technology Osaka University
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Takami Kazuhiro
Department Of Material And Life Science Osaka University
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Shin Shik
Riken
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Tanaka Yoshihito
Riken Spring-8
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Takahashi Koji
Department Of Aeronautics And Astronautics Kyushu University
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Saito Akira
Department Of Neurosurgery Nagahama Red Cross Hospital
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Shin Shik
RIKEN/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
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Maruyama Junpei
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Manabe Ken
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Kitamoto Katsuyuki
RIKEN/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
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Hirotsune Shinji
Department of Physical Science, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8526, Japan
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Takagi Yasumasa
RIKEN/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
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Ishii Masahi
JASRI/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5198, Japan
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Akai-Kasaya Megumi
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Yabashi Makina
JASRI/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5198, Japan
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Aono Masakazu
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Kuwahara Yuji
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Kuwahara Yuji
Department of Advanced Science and Biotechnology, Osaka University, Suita, Osaka 565-0871, Japan
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Tanaka Yoshihito
RIKEN/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
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Saito Akira
Department of Biological Chemistry, Yamaguchi University
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Takahashi Koji
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Miwa Daigo
RIKEN/SPring-8, 1-1-1 Kouto, Mikazuki-cho, Sayo-gun, Hyogo 679-5148, Japan
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Takami Kazuhiro
Department of Material and Life Science, Graduate School of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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Saito Akira
Department of Applied and Bioapplied Chemistry, Graduate School of Engineering, Osaka City University
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TAKAHASHI Koji
Departent of Materials Science and Engineering,Faculty of Engineering,Yamagata University
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Akai-Kasaya Megumi
Department of Material and Life Science, Faculty of Engineering, Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
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