Ejima Takeo

エジマタケオ | Ejima Takeo

Affiliation and department：
Other affiliations (1)：

Tohoku University Institute of Multidisciplinary Research for Advanced Materials Center for Advanced Microscopy and Spectroscopy Synchrotron Radiation Soft X-ray Microscopy Assistant Professor

Research field (3)： Quantum beam science , Thin-film surfaces and interfaces , Semiconductors, optical and atomic physics

Research keywords (4)： detector , microscopy , spectroscopy , soft X-ray optics

Research theme for competitive and other funds (22)：

2024 - 2026 シンチレータの軟X線励起発光時における誘導放出抑制過程の解明
2023 - 2026 Stimulated emission depletion process in soft X-ray excited emission of scintillators
2019 - 2022 Spectral Changes of Phosphorus Absorption Edge by Changing Phosphate Molecules and its Application to Chromatin Visualization
2019 - 2022 Development of high throughput multilayer diffraction grating monochromator satisfying the Bragg condition over the 1-5 keV range
2017 - 2020 Development of super-resolving microscope using stimulated emission suppression phenomenon in soft X-ray emission

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Papers (25)：

Takeo EJIMA, Eiichi SASAKI. Development and evaluation of micro-spectrometer for SX excited fluorescence. Photon Factory Activity Report 2022, User's Report. 2023. 40. 119
Takeo EJIMA, Yukiko TAMURA. Chemical bonding structures of SBR/BR interfaces. Photon Factory Activity Report 2022, User's Report. 2023. 40. 120
Hiromu Kawasaki, Atsushi Sunahara, Yuta Shimada, Takeo Ejima, Weihua Jiang, Gerry O’Sullivan, Masaharu Nishikino, Shinichi Namba, Takeshi Higashiguchi. Electron temperature and soft x-ray intensity scaling in laser heavy element plasma interaction. AIP Advances. 2020. 10. 6. 065306-065306
Takeo Ejima, Toshitaka Wakayama, Natsumi Shinozaki, Misaki Shoji, Genta Hatayama, Takeshi Higashiguchi. Demonstration of stimulated emission depletion phenomenon in luminescence of solid-state scintillator excited by soft X-rays. Scientific reports. 2020. 10. 1. 5391-5391
Ejima, Takeo, Kurosawa, Shunsuke, Yamaji, Akihiro, Hatano, Tadashi, Wakayama, Toshitaka, Higashiguchi, Takeshi, Kitaura, Mamoru. Luminescence properties of scintillators in soft X-ray region. JOURNAL OF LUMINESCENCE. 2020. 219. 116850-1-116850-9

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MISC (198)：

Takeo EJIMA, Yukiko TAMURA. Chemical Bonding Structures of SBR/BR Interfaces. UVSOR Activity Report 2022. 2023. 50. 85
江島丈雄, 羽多野忠. Examination of Soft X-ray Beam Splitter using Multilayer coated Grating. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2023. 70th
東口武史, 中山勇冬, 新沼大登, 久米真樹, 杉浦使, 森田大樹, 富田健太郎, 砂原淳, 難波慎一, 江島丈雄. Charge-separated ionic debris spectra in EUV-BEUV sources for semiconductor lithography. レーザー学会研究会報告. 2022. RTM22. 26-31. 11-16
東口武史, 中山勇冬, 新沼大登, 久米真樹, 森田大樹, 砂原淳, 富田健太郎, 江偉華, 難波慎一, 江島丈雄. レーザー生成プラズマ極端紫外光源から発生する高速イオンのエネルギースペクトル-Energy spectra of fast ions from a laser-produced plasma EUV source-放電・プラズマ・パルスパワー研究会・放電・プラズマ・パルスパワー一般. 電気学会研究会資料. EPP = The papers of technical meeting, IEE Japan / [放電・プラズマ・パルスパワー研究会] [編]. 2022. 2022. 60-65. 1-6
羽多野忠, 羽多野忠, 今園孝志, 江島丈雄, 江島丈雄. Fabrication of a multilayer diffraction grating for high throughput monochromators in the 1-5 keV soft X-ray region. 応用物理学会春季学術講演会講演予稿集(CD-ROM). 2022. 69th

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Patents (1)：

Books (1)：

Lectures and oral presentations (24)：

軟X線励起によるSTEDとその顕微応用
(自然科学研究機構先端光科学研究分野プロジェクト研究会 2023)
Toward the elucidation of a "mezzo-linkage" between living and non-living organisms
(Optics & Photonics Japan 2021 2021)
Eu:GGGの軟X線励起発光における誘導放出
(第82回応用物理学会秋季学術講演会 2021)
keV 領域多層膜回折格子のための多層膜開発
(第34回日本放射光学会年会・放射光科学合同シンポジウム 2021)
X 線励起蛍光における STED 現象
(第34回日本放射光学会年会・放射光科学合同シンポジウム 2021)

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Professional career (1)：

Association Membership(s) (3)：

日本放射光学会 , 応用物理学会 , 物理学会

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