論文 - 桒原 真人
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Takubo, K; Ono, A; Ueno, S; Banu, S; Yu, HW; En-ya, K; Nishimori, R; Kuwahara, M; Asaka, T; Maeda, K; Ono, D; Ozawa, K; Itoh, T; Shigematsu, K; Azuma, M; Ishikawa, T; Okimoto, Y; Hada, M; Koshihara, SY
COMMUNICATIONS MATERIALS 5 巻 ( 1 ) 2024年12月
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高輝度単色フォトカソードを電子源とするパルス走査電子顕微鏡を用いた高速現象の計測 招待有り 査読有り
森下 英郎, 大嶋 卓, 桒原 真人
顕微鏡 59 巻 ( 2 ) 頁: 62 - 66 2024年9月
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Development of silicon-on-insulator direct electron detector with analog memories in pixels for sub-microsecond imaging 査読有り
Takafumi Ishida, Kosei Sugie, Toshinobu Miyoshi, Yuichi Ishida, Koh Saitoh, Yasuo Arai, Makoto Kuwahara
Microscopy 73 巻 ( 6 ) 頁: 511 - 516 2024年7月
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Giant impurity effect on anomalous Hall effect of Mn<sub>3</sub>Sn 査読有り
Yano, R; Kihara, S; Yoneda, M; Vu, HTN; Suto, H; Katayama, N; Yamaguchi, T; Kuwahara, M; Suzuki, MT; Saitoh, K; Kashiwaya, S
JOURNAL OF CHEMICAL PHYSICS 160 巻 ( 18 ) 頁: 184708 2024年5月
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Membrane molecule, bouncer regulates sperm binding activity in immature oocytes in a viviparous teleost species Poecilia reticulata (guppy) 査読有り
Junki Yoshida, Yuki Tajika, Kazuko Uchida, Makoto Kuwahara, Kaori Sano, Takayuki Suzuki, Eiichi Hondo, Atsuo Iida
Development, Growth & Differentiation 2024年2月
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透過電子顕微鏡におけるスピン偏極パルス電子線を用いた時間分解計測 招待有り 査読有り 国際共著
桑原真人
表面と真空 66 巻 ( 12 ) 2023年12月
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Three-dimensional building of anisotropic gold nanoparticles under confinement in submicron capsules
Yamada, R; Kuwahara, M; Kuwahara, S
NANOSCALE ADVANCES 5 巻 ( 21 ) 頁: 5780 - 5785 2023年10月
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Liu, DJ; Yu, X; Wu, F; Du, WJ; Chen, L; Liu, F; Kuwahara, M; Ono, S
OPTICS EXPRESS 31 巻 ( 14 ) 頁: 23608 - 23620 2023年7月
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Temporal resolution in transmission electron microscopy using a photoemission electron source
Kuwahara, M; Agemura, T
MICROSCOPY 72 巻 ( 2 ) 頁: 97 - 110 2023年4月
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原子の動きを「コマ撮り」する小型装置の開発 招待有り 査読有り
羽田真毅,田久保耕,矢嶋渉,桒原真人,腰原伸也
Isotope News ( 786 ) 頁: 10 - 14 2023年4月
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Tanaka, Y; Yu, X; Terakawa, S; Ishida, T; Saitoh, K; Zhang, HW; Asaka, T; Itoigawa, F; Kuwahara, M; Ono, S
ACS OMEGA 2023年2月
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Yu, X; Tanaka, Y; Kakiuchi, T; Ishida, T; Saitoh, K; Itoigawa, F; Kuwahara, M; Ono, S
MICROMACHINES 14 巻 ( 1 ) 2023年1月
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Ishida, T; Owaki, T; Ohtsuka, M; Kuwahara, M; Saitoh, K; Kawasaki, T
APPLIED PHYSICS EXPRESS 15 巻 ( 11 ) 2022年11月
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Copper sulfide nanoribbon growth triggered by carbon nanotube aggregation <i>via</i> dialysis
Tanaka, T; Kurihara, M; Kuwahara, M; Kuwahara, S
RSC ADVANCES 12 巻 ( 48 ) 頁: 31363 - 31368 2022年10月
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Kuwahara, M; Mizuno, L; Yokoi, R; Morishita, H; Ishida, T; Saitoh, K; Tanaka, N; Kuwahara, S; Agemura, T
APPLIED PHYSICS LETTERS 121 巻 ( 14 ) 頁: 143503 2022年10月
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High-quality resonances in terahertz composite slabs based on metal gratings
Liu, DJ; Yu, X; Wu, F; Cao, J; Zhao, YL; Shi, H; Xiao, SY; Kuwahara, M; Itoigawa, F; Ono, S; Chen, L; Liu, F
JOURNAL OF OPTICS 24 巻 ( 10 ) 2022年10月
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Shimizu, D; Nagase, T; So, YG; Kuwahara, M; Ikarashi, N; Nagao, M
ACS APPLIED NANO MATERIALS 5 巻 ( 9 ) 頁: 13519 - 13528 2022年9月
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Takubo, K; Banu, S; Jin, SC; Kaneko, M; Yajima, W; Kuwahara, M; Hayashi, Y; Ishikawa, T; Okimoto, Y; Hada, M; Koshihara, S
REVIEW OF SCIENTIFIC INSTRUMENTS 93 巻 ( 5 ) 2022年5月
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Morishita, H; Kohashi, T; Yamamoto, H; Kuwahara, M
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS 546 巻 2022年3月
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Comment on "Intensity Interference in a Coherent Spin-Polarized Electron Beam" Reply
Kuwahara, M; Yoshida, Y; Nagata, W; Nakakura, K; Furui, M; Ishida, T; Saitoh, K; Ujihara, T; Tanaka, N
PHYSICAL REVIEW LETTERS 127 巻 ( 22 ) 2021年11月
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Brightness evaluation of pulsed electron gun using negative electron affinity photocathode developed for time-resolved measurement using scanning electron microscope 査読有り
1. H. Morishita, T. Ohshima, K. Otsuga, M. Kuwahara, T. Agemura, Y. Ose
Ultramicroscopy 230 巻 頁: 113386 2021年9月
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Photoinduced oxygen transport in cobalt double-perovskite crystal EuBaCo<sub>2</sub>O<sub>5.39</sub>
Hada, M; Ohmura, S; Ishikawa, T; Saigo, M; Keio, N; Yajima, W; Suzuki, T; Urushihara, D; Takubo, K; Masaki, Y; Kuwahara, M; Tsuruta, K; Hayashi, Y; Matsuo, J; Yokoya, T; Onda, K; Shimojo, F; Hase, M; Ishihara, S; Asaka, T; Abe, N; Arima, TH; Koshihara, SY; Okimoto, Y
APPLIED MATERIALS TODAY 24 巻 2021年9月
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Observation of domain wall bimerons in chiral magnets
Nagase, T; So, YG; Yasui, H; Ishida, T; Yoshida, HK; Tanaka, Y; Saitoh, K; Ikarashi, N; Kawaguchi, Y; Kuwahara, M; Nagao, M
NATURE COMMUNICATIONS 12 巻 ( 1 ) 2021年6月
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Ishida, T; Shinozaki, A; Kuwahara, M; Miyoshi, T; Saitoh, K; Arai, Y
MICROSCOPY 70 巻 ( 3 ) 頁: 321 - 325 2021年6月
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Intensity Interference in a Coherent Spin-Polarized Electron Beam
Kuwahara, M; Yoshida, Y; Nagata, W; Nakakura, K; Furui, M; Ishida, T; Saitoh, K; Ujihara, T; Tanaka, N
PHYSICAL REVIEW LETTERS 126 巻 ( 12 ) 頁: 125501 2021年3月
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パルス電子波を用いた時間分解透過電子顕微鏡 招待有り 査読有り
桑原 真人, 横井 里奈, 水野 りら, 冨樫 将孝, 吉田 優也, 永田 渉, 古井 雅人, 中蔵 虎二郎, 石田 高史
顕微鏡 55 巻 ( 3 ) 頁: 131 - 138 2020年12月
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Room-temperature magnetic skyrmion in epitaxial thin films of Fe2-xPdxMo3N with the filled beta-Mn-type chiral structure
Qiang B. W., Togashi N., Momose S., Wada T., Hajiri T., Kuwahara M., Asano H.
APPLIED PHYSICS LETTERS 117 巻 ( 14 ) 2020年10月
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Localized Surface Plasmon Resonance-Induced Welding of Gold Nanotriangles and the Local Plasmonic Properties for Multicolor Sensing and Light-Harvesting Applications 国際誌
Kuwahara Shota, Narita Yuka, Mizuno Lila, Kurotsu Hiroki, Yoshino Hiroki, Kuwahara Makoto
ACS APPLIED NANO MATERIALS 3 巻 ( 6 ) 頁: 5172 - 5177 2020年6月
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Morishita Hideo, Ohshima Takashi, Kuwahara Makoto, Ose Yoichi, Agemura Toshihide
JOURNAL OF APPLIED PHYSICS 127 巻 ( 16 ) 頁: 164902 2020年4月
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Smectic Liquid-Crystalline Structure of Skyrmions in Chiral Magnet Co8.5Zn7.5Mn4(110) Thin Film
Nagase T., Komatsu M., So Y. G., Ishida T., Yoshida H., Kawaguchi Y., Tanaka Y., Saitoh K., Ikarashi N., Kuwahara M., Nagao M.
PHYSICAL REVIEW LETTERS 123 巻 ( 13 ) 2019年9月
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スピン偏極パルス透過電子顕微鏡の開発 査読有り
桑原真人
まてりあ 58 巻 ( 5 ) 頁: 269-274 2019年5月
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Ichihashi, F; Dong, XY; Inoue, A; Kawaguchi, T; Kuwahara, M; Ito, T; Harada, S; Tagawa, M; Ujihara, T
REVIEW OF SCIENTIFIC INSTRUMENTS 89 巻 ( 7 ) 2018年7月
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Coherent pulse beam in spin-polarized TEM using an NEA photocathode
Kuwahara, M; Ujihara, T; Saitoh, K; Tanaka, N
2018 31ST INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE (IVNC) 2018年
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Ichihashi, F; Kawaguchi, T; Dong, XY; Kuwahara, M; Ito, T; Harada, S; Tagawa, M; Ujihara, T
AIP ADVANCES 7 巻 ( 11 ) 2017年11月
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Coherence of a pulsed electron beam extracted from a semiconductor photocathode in transmission electron microscope 査読有り
M. Kuwahara, K. Aoki, H. Suzuki, H. Asano, T. Ujihara, K. Saitoh, N. Tanaka
European Microscopy Congress 2016 2016年12月
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The Boersch effect in a picosecond pulsed electron beam emitted from a semiconductor photocathode 査読有り
Makoto Kuwahara, Yoshito Nambo, Kota Aoki, Kensuke Sameshima, Xiuguang Jin, Toru Ujihara, Hidefumi Asano, Koh Saitoh, Yoshikazu Takeda, and Nobuo Tanaka
Applied Physics Letters 109 巻 頁: 013108 2016年7月
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スピン偏極パルスTEMにおける超高速時間分解能とそのビーム品質 招待有り 査読有り
桑原真人、宇治原徹、浅野秀文、齋藤晃、田中信夫
顕微鏡 50 巻 ( 3 ) 頁: 151-155 2016年1月
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Measurement of energy distribution of conduction electrons in superlattice by visible-light photoemission spectroscopy 査読有り
F. Ichihashi, K. Nishitani, X. Dong, T. Kawaguchi, M. Kuwahara, T. Ito, S. Harada, M. Tagawa, T.Ujihara
2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC) 頁: 1-4 2015年12月
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Coherences of spin-polarized and pulsed electron beam extracted from a semiconductor photocathode in TEM 査読有り
M. Kuwahara, K. Sameshima, K. Aoki, H. Asano, T. Ujihara, K. Saitoh, N. Tanaka
Microscopy 64 巻 ( 1 ) 頁: i17 2015年10月
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Photoemission lifetime of a negative electron affinity gallium nitride photocathode 査読有り
T. Nishitani, M. Tabuchi, H. Amano, T. Maekawa, M. Kuwahara, T. Meguro
Journal of Vacuum Science & Technology B 32 巻 頁: 06F901 2014年11月
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Coherence of a spin-polarized electron beam emitted from a semiconductor photocathode in a transmission electron microscope 査読有り
M. Kuwahara, S. Kusunoki, Y. Nambo, X. G. Jin, T. Ujihara, H. Asano, Y. Takeda, N. Tanaka
Applied Physics Letters 105 巻 頁: 193101 2014年11月
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Direct measurement of conduction miniband structure in superlattice by visible-light photoemission spectroscopy 査読有り
F. Ichihashi, D. Shimura, K. Nishitani, T. Kawaguchi, M. Kuwahara, T. Ito, S. Harada, H. Katsuno, M. Tagawa, T. Ujihara
2014 IEEE 40th Photovoltaic Specialist Conference (PVSC) 2014年10月
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Experimental investigation of an optimum configuration for a high-voltage photoemission gun for operation > 500 kV 査読有り
N. Nishimori, R. Nagai, S. Matsuba, R. Hajima, M. Yamamoto, Y. Honda, T. Miyajima, H. Iijima, M. Kuriki, M. Kuwahara
Phys. Rev. ST. Accel. Beam 17 巻 頁: 053401 2014年5月
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Spatial and temporal coherence in spin-polarized transmission electron microscopy 査読有り
M, Kuwahara, S. Kusunoki, Y. Nambo, K. Sameshima, K. Saitoh, T. Ujihara, H. Asano, Y. Takeda, N. Tanaka
AMTC Letters 4 巻 頁: 262 2014年5月
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Nano-second Time-Resolved Measurement in Spin-Polarized Pulse TEM 査読有り
Y. Nambo, M. Kuwahara, S. Kusunoki, K. Sameshima, K. Saitoh, T. Ujihara, H. Asano, Y. Takeda, N. Tanaka
AMTC Letters 4 巻 頁: 256 2014年5月
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Electron spectroscopy of conduction electrons excited by visible light utilizing NEA surface 査読有り
F. Ichihashi. D. Shimura, K. Nishitani, M. Kuwahara, T. Ito, S. Harada, M. Tagawa, T. Ujihara
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2014年2月
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Ultrahigh-resolution direct observation of mini-bands formed in InGaAs/AlGaAs superlattice 査読有り
D. Shimura, F. Ichihashi, K. Nishitani, S. Harada, M. Kuwahara, T. Ito, M. Matsunami, S. Kimura, T. Sakai, M. Tagawa, T. Ujihara
2013 IEEE 39th Photovoltaic Specialists Conference (PVSC) 2014年2月
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Progress in photocathode dc gun at the compact ERL 査読有り
N. Nishimori, R. Nagai, S. Matsuba, R. Hajima, M. Yamamoto, Y. Honda, T. Miyajima, H. Iijima, M. Kuriki, M. Kuwahara
Proceedings of 35th International Free-Electron Laser Conference 頁: 184 2013年8月
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Temporal response measurements of GaAs-based photocathodes 査読有り
Y. Honda, S. Matsuba, X. G. Jin, T. Miyajima, M. Yamamoto, T. Uchiyama, M. Kuwahara, Y. Takeda
Jpn. J. Appl. Phys 52 巻 頁: 086401 2013年7月
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Phase-locking of oscillating images using laser-induced spin-polarized pulse TEM 査読有り
Makoto Kuwahara, Yoshito Nambo, Soichiro Kusunoki, Xiuguang Jin, Koh Saitoh, Hidefumi Asano, Toru Ujihara, Yoshikazu Takeda, Tsutomu Nakanishi, and Nobuo Tanaka
Microscopy 2013年6月
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Generation of a 500-keV electron beam from a high voltage photoemission gun 査読有り
Nobuyuki Nishimori, Ryoji Nagai, Shunya Matsuba, Ryoichi Hajima, Masahiro Yamamoto, Tsukasa Miyajima, Yosuke Honda, Hokuto Iijima, Masao Kuriki, and Makoto Kuwahara
Applied Physics Letters 102 巻 頁: 234103 2013年6月
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Temporal Generation of a 500-keV electron beam from a high voltage photoemission gun 査読有り
N. Nishimori, R. Nagai, S. Matsuba, R. Hajima, M. Yamamoto, Y. Honda, T. Miyajima, H. Iijima, M. Kuriki, M. Kuwahara
Appl. Phys. Lett. 102 巻 頁: 234103 2013年6月
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スピン偏極パルス透過電子顕微鏡の開発 招待有り 査読有り
桑原真人、中西彊、竹田美和、田中信夫
顕微鏡 48 巻 ( 1 ) 頁: 3-8 2013年6月
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Progress in a photocathode DC gun at the compact ERL
N. Nishimori, R. Nagai, S. Matsuba, R. Hajima, M. Yamamoto, Y. Honda, T. Miyajima, H. Iijima, M. Kuriki, M. Kuwahara
FEL 2013: Proceedings of the 35th International Free-Electron Laser Conference 頁: 184-188 2013年1月
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Development of a photoemission dc gun at JAEA 査読有り
N. Nishimori, R. Nagai, S. Matsuba, R. Hajima, M. Yamamoto, Y. Honda, T. Miyajima, H. Iijima, M. Kuriki, M. Kuwahara
Proceedings of 34th International Free Electron Laser Conference 頁: 161 2012年8月
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30-kV spin-polarized transmission electron microscope using GaAs-GaAsP strained superlattice photocathode 査読有り
M Kuwahara, S. Kusunoki, X. G. Jin, T. Nakanishi, Y Takeda, K Saitoh, T Ujihara, H Asano, N Tanaka
Applied Physics Letters 101 巻 頁: 033102 2012年7月
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Development of Spin-Polarized and Pulsed TEM 査読有り
M Kuwahara, F. Ichihashi, S. Kusunoki, Y Takeda, K Saitoh, T Ujihara, H Asano, T. Nakanishi, N Tanaka
Journal of Physics: Conference Series 371 巻 頁: 012004 2012年7月
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Spin-polarized TEM using an NEA photocathode 査読有り
M. Kuwahara
Advanced Microscopy and Theoretical Calculations Letters 3 巻 頁: 180 2012年5月
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Mean Transverse Energy Measurement of Negative Electron Affinity GaAs-Based Photocathode 査読有り
S. Matsuba, Y. Honda, X. G. Jin, T. Miyajima, M. Yamamoto, T. Uchiyama, M. Kuwahara, Y. Takeda
Japanese Journal of Applied Physics 51 巻 頁: 046402 2012年3月
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Development of spin-polarized transmission electron microscope 査読有り
M. Kuwahara, Y. Takeda, K. Saitoh, T. Ujihara, H. Asano, T. Nakanishi, N Tanaka
Journal of Physics: Conference Series 298 巻 頁: 012016 2011年6月
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Development of a 500-kV photocathode DC gun for ERLs 査読有り
N Nishimori, R Nagai, M Yamamoto, Y Honda, T Miyajima, H Iijima, M Kuriki, M Kuwahara, S Okumi, T Nakanishi, R Hajima
Journal of Physics: Conference Series 298 巻 頁: 012005 2011年6月
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Dark-lifetime degradation of GaAs photo-cathode at higher temperature 査読有り
M. Kuriki, C. Shonaka, H. Iijima, D. Kubo, H. Okamoto, H. Higaki, K. Ito, M. Yamamoto, T. Konomi, S. Okumi, M. Kuwahara, T. Nakanishi
Nucl. Instr. and Meth.A 637 巻 ( 1 ) 頁: S87-S90 2011年5月
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Pulsed spin-polarized electron source toward a transmission electron microscope
M. Kuwahara, T. Nakanishi, N. Tanaka, Y. Takeda, H. Asano, K. Saito, T. Ujihara
Proceedings of The 17th IFSM International Microscopy Congress 頁: I20 2010年9月
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Single charge detection of an electron created by a photon in a g-factor engineered quantum dot 査読有り
M. Kuwahara, T. Kutsuwa, K. Ono, H. Kosaka
Applied Physics Letters 96 巻 ( 16 ) 頁: 163107 2010年
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High-voltage testing of a 500-kV dc photocathode electron gun 招待有り 査読有り
R. Nagai, R. Hajima, N. Nishimori, T. Muto, M. Yamamoto, Y. Honda, T. Muyajima, H. Iijima, M. Kuriki, M. Kuwahara, S. Okumi, T. Nakanishi
Review of Scientific Instruments 81 巻 頁: 033304 2010年
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Single electron spin resonance in a g-factor controlled semiconductor quantum dot 査読有り
T. Kutsuwa, M. Kuwahara, K. Ono, H. Kosaka
Physica E -Low-Dimensional System & Nano Structure 42 巻 ( 4 ) 頁: 821-824 2010年
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High brightness and highly polarized electron beam for real-time measurement in SPLEEM 査読有り
M. Kuwahara, A. Mano, Y. Nakagawa, S. Okumi, T. Nakanishi, M. Suzuki, T. Yasue, T. Koshikawa, X. Jin, N. Yamamoto, T. Ujihara, Y. Takeda, M. Yamamoto, T. Ohshima, T. Kohashi, T. Saka, T. Kato, H. Horinaka
Proceedings of 7th International Symposium on Atomic Level Characterizations for New Materials and Devices 09 頁: 84 2009年12月
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Development of a 500-kV photo-cathode DC gun for the ERL light sources in Japan 査読有り
N. Nishimori, R. Nagai, H. Iijima, R. Hajima, M. Yamamoto, T. Muto, Y. Honda, T. Miyajima, M. Kuwahara, S. Okumi, T. Nakanishi
Proceedings of Free Electron Laser 2009 頁: 277 2009年9月
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Real time magnetic imaging by spin-polarized low energy electron microscopy with highly spin-polarized and high brightness electron gun 査読有り
M. Suzuki, M. Hashimoto, T. Yasue, T. Koshikawa, Y. Nakagawa, T. Konomi, A. Mano, N. Yamamoto, M. Kuwahara, M. Yamamoto, S. Okumi, T. Nakanishi, X. G. Jin, T. Ujihara, Y. Takeda, T. Kohashi, T. Ohshima, T. Saka, T. Kato, H. Horinaka
Applied Physics Express 3 巻 頁: 026601 2009年
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High brightness and high polarization electron source using transmission photocathode with GaAs-GaAsP superlattice layers 査読有り
N. Yamamoto, T. Nakanishi, A. Mano, Y. Nakagawa, S. Okumi, M. Yamamoto, T. Konomi, X. Jin, T. Ujihara, Y. Takeda, T. Ohshima, T. Saka, T. Kato, H. Horinaka, T. Yasue, T. Koshikawa, M. Kuwahara,
Journal of Applied Physics 103 巻 頁: 064905-1-7 2008年
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Electrical field control of trions in the structure for quantum media conversion
W. Ueno, H. Kosaka, T. Kutsuwa, M. Kuwahara, Y. Mitsumori, K. Edamatsu
Proceedings of 2008 International Symposium on Physics of Quantum Technology 頁: 74 2008年
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ESR measurements of quantum dot
T. Kutsuwa, M. Kuwahara, K. Ono, H. Kosaka
Proceedings of 2008 International Symposium on Physics of Quantum Technology 頁: 72 2008年
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Optical responses of quantum transport for single photo-electron detection
M. Kuwahara, T. Kutsuwa, K. Ono, H. Kosaka
Proceedings of 2008 International Symposium on Physics of Quantum Technology 頁: 70 2008年
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Thermal emittance measurements for electron beams produced from bulk and superlattice negative electron affinity photocathodes 査読有り
N. Yamamoto, M. Yamamoto, M. Kuwahara, R. Sakai, T. Morino, K. Tamagaki, A. Mano, A. Utsu, S. Okumi, T. Nakanishi, M. Kuriki, C. Bo, T. Ujihara, Y. Takeda
Journal of Applied Physics 102 巻 頁: 024904-1-6 2007年
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High field gradient polarized electron gun for ILC 査読有り
M. Yamamoto, N. Yamamoto, T. Nakanishi, S. Okumi, M. Kuwahara, K. Yasui, T. Morino, R. Sakai, K. Tamagaki, F. Furuta, M. Kuriki, H. Matsumoto, M. Yoshioka
Polarized Sources and Targets: Proceedings of the Eleventh International Workshop 頁: 138 2007年
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Generation of Spin Polarized Electron by Field Emission 査読有り
M. Kuwahara, T. Nakanishi, S. Okumi, M. Yamamoto, M. Miyamoto, N. Yamamoto, K. Yasui, T. Morino, R. Sakai, K. Tamagaki, K. Yamaguchi,
Polarized Sources and Targets: Proceedings of the Eleventh International Workshop 頁: 152 2007年
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Laser forcusing system for high brightness polarized electron source for SPLEEM 査読有り
A. Mano, N. Yamamoto, K. Tamagagi, S. Okumi, M. Yamamoto, M. Kuwahara, R. Sakai, T. Morino, A. Utsu, T. Nakanishi, T. Ohshima,
AIP Conference Proceedings, PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM 915 巻 頁: 1081 2007年
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Development of the new type polarized electron source for SPLEEM 査読有り
S. Okumi, N. Yamamoto, K. Tamagaki, A. Mano, R. Sakai, M. Yamamoto, M. Kuwahara, T. Morino, A. Utsu, T. Nakanishi, S. Kim, T. Ujihara, Y. Takeda, T. Ohshima, T. Yasue, T. koshikawa,
AIP Conference Proceedings, PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM 915 巻 頁: 1085 2007年
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Initial emittance measurements for polarized electron gun with NEA-GaAs type photocathode 査読有り
N. Yamamono, M. Yamamono, R. Sakai, T. Nakanishi, S. Okumi, M. Kuwahara, K. Tamagaki, T. Morino, A. Utsu, A. Mano, M. Kuriki, T. Ujihara, Y. Takeda,
AIP Conference Proceedings, PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM 915 巻 頁: 1071 2007年
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Production of high density polarized electron beam from GaAs-GaAsP superlattice photocathode 査読有り
M. Yamamono, N. Yamamono, S. Okumi, R. Sakai, M. Kuwahara, T. Morino, K. Tamagaki, A. Mano, A. Utsu, T. Nakanishi, C. Bo, T. Ujihara, Y. Takeda, M. Kuriki
AIP Conference Proceedings, PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM 915 巻 頁: 1025 2007年
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Spin-polarized electrons extracted from GaAs tips using field emission 査読有り
M. Kuwahara, T. Morino, T. Nakanishi,
AIP Conference Proceedings, PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM 915 巻 頁: 1055 2007年
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Field Emission of Spin-Polarized Electrons Extracted from Photoexcited GaAs Tip 査読有り
M. Kuwahara, T. Nakanishi, S. Okumi, M. Yamamoto, M. Miyamoto, N. Yamamoto, K. Yasui, T. Morino, R. Sakai, K. Tamagaki, K. Yamaguchi
Japanese Journal of Applied Physics 45 巻 ( 8A ) 頁: 6245 2006年
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Highly polarized electrons from GaAs-GaAsP and InGaAs-AlGaAs strained superlattice photocathode 査読有り
T. Nishitani, T. Nakanishi, M. Yamamoto, S. Okumi, F. Furuta, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, O. Watanabe, Y. Takeda, H. Kobayakawa, Y. Takashima, H. Horinaka, T. Matsuyama, K. Togawa, T. Saka, M. Tawada, T. Omori, Y. Kurihara, M. Yoshioka, K. Kato and T. Baba
Journal of Applied Physics 97 巻 頁: 094907 1-6 2005年
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Properties of Field Emission Dark Current from Molybdenum and Titanium Electrodes 査読有り
F. Furuta, M. Yamamoto, T. Nakanishi, S. Okumi, T. Gotoh, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, H. Matsumoto, M. Yoshioka and K. Togawa
Proceedings of 16th International Spin Physics Symposium (SPIN2004) and Workshop on Polarized Electron Sources and Polarimeters (PESP2004) 頁: 964 2005年
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Recent PES Photocathode R&D at Nagoya University 査読有り
M. Kuwahara, T. Nakanishi, S. Okumi, M. Yamamoto, F. Furuta, M. Miyamoto, N. Yamamoto, K. Naniwa, K. Yasui. T. Nishitani, O. Watanabe, Y. Takeda, H. Kobayakawa, Y. Takashima and K. Togawa
Proceedings of 16th International Spin Physics Symposium (SPIN2004) and Workshop on Polarized Electron Sources and Polarimeters (PESP2004) 頁: 953 2005年
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Present Status of 200 keV Polarized Electron Gun at Nagoya University 査読有り
M. Yamamoto, N. Yamamoto, T. Nishitani, S. Okumi, F. Furuta, M. Miyamoto, M. Kuwahara, K. Naniwa and K. Yasui
Proceedings of 16th International Spin Physics Symposium (SPIN2004) and Workshop on Polarized Electron Sources and Polarimeters (PESP2004) 頁: 902 2005年
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Reduction of field emission dark current for high-field gradient electron gun by using a molybdenum cathode and titanium anode 査読有り
F. Furuta, T. Nakanishi, S. Okumi, T. Gotou, M. Yamamoto, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, H. Matsumoto, M. Yoshioka and K. Togawa
Nuclear Instruments and Methods in Physics Research Section A 538 巻 頁: 33 2005年
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Highly Polarized Electrons from GaAs-GaAsP and InGaAs-AlGaAs Strained Layer Superlattice Photocathodes
T. Nakanishi, T. Nishitani, M. Yamamoto, S. Okumi, F. Furuta, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, O. Watanabe, Y. Takeda, H. Kobayakawa, Y. Takashima, H. Horinaka and T. Matsuyama
Proceedings of XXII International Linear Accelerator Conference (LINAC2004) 頁: 648 2004年
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An Electrode with Molybdenum-Cathode and Titanium-Anode to Minimize Field Emission Dark Currents
T. Nakanishi, F. Furuta, S. Okumi, T. Gotou, M. Yamamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, K. Yasui, H. Kobayakawa, Y. Takashima, H. Matsumoto, M. Yoshioka and K. Togawa
Proceedings of XXII International Linear Accelerator Conference (LINAC2004) 頁: 645 2004年
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Ultra-High-Vacuum Problem for 200 keV Polarized Electron Gun with NEA-GaAs Photocathode
T. Nakanishi, M. Yamamoto, N. Yamamoto, S. Okumi, F. Furuta, M. Kuwahara, K. Naniwa, K. Yasui, H. Kobayakawa, Y. Takashima, H. Matsumoto, M. Kuriki and M. Yoshioka
Proceedings of XXII International Linear Accelerator Conference (LINAC2004) 頁: 201 2004年
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Basic R&D Studies for Lower Emittance Polarized Electron Guns 査読有り
C. Suzuki, T. Nakanishi, S. Okumi, F. Furuta, K. Wada, T. Nishitani, M. Yamamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Matsumoto, M. Yoshioka, H. Horinaka, K. Wada, T. Matsuyama and H. Kobayakawa
Proceedings of 15th International Spin Physics Symposium (SPIN2002) and Workshop on Polarized Electron Sources and Polarimeters (PESP2002) published in AIP Conference Proceedings 675 巻 頁: 1068 2003年
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200 keV Polarized Electron Source at Nagoya University 査読有り
K. Wada, M. Yamamoto, T. Nakanishi, S. Okumi, T. Gotoh, C. Suzuki, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Matsumoto and M. Yoshioka
Proceedings of 15th International Spin Physics Symposium (SPIN2002) and Workshop on Polarized Electron Sources and Polarimeters (PESP2002) published in AIP Conference Proceedings 675 巻 頁: 1063 2003年
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Emittance measurement for 200-keV-electron beam extracted from NEA-GaAs photocathode using a pepper pot method 査読有り
N. Yamamoto, M. Yamamoto, T. Nakanishi, S. Okumi, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, K. Naniwa, Y. Takashima, H. Kobayakawa, M. Kuriki, H. Matsumoto, and M. Yoshioka
FREE ELECTRON LASERS 2003 II 巻 頁: 51 2003年
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A 200keV gun with NEA-GaAs photocathode to produce low emittance electron beam
M. Yamamoto, K. Wada, N. Yamamoto, T. Nakanishi, S. Okumi, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, K. Naniwa, Y. Takashima, H. Kobayakawa, M. Kuriki, H. Matsumoto, and M. Yoshioka
FREE ELECTRON LASERS 2003 II 巻 頁: 39-40 2003年
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Measurement of Field Emission Dark Current from the Titanium, Copper, and Stainless Steel Electrodes under the High DC-Field Gradient Condition
F. Furuta, C. Suzuki, T. Nakanishi, S. Okumi, T. Gotou, K. Wada, M. Yamamoto, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Kobayakawa, H. Matsumoto and M. Yoshioka
Proceedings of XXI International LINAC Conference (LINAC2002) 頁: 431 2002年
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Charge limitation effects in photoemission from GaAsP strained layer cathode
A Subashiev, Yu Mamaev, B. Reznikov, T. Nakanishi, K. Togawa, T. Nishitani, M. Kuwahara, T. Hirose, R. Mizuno
Proceedings of the Ninth International Workshop Polarized Sources and Targets 頁: 175 2002年
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200keV Polarized Electron Source for Linear Collider
M. Yamamoto, K. Wada, T. Nakanishi, S. Okumi, C. Suzuki, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, O. Watanabe, H. Kobayakawa, H. Matsumoto and M. Yoshioka
Proceedings of XXI International LINAC Conference (LINAC2002) 頁: 680 2002年
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Test of Cesium Telluride Photocathode as a Feasibility Study on Polarized RF-gun 査読有り
F. Furuta, H. Sugiyama, T. Nakanishi, S. Okumi, K. Togawa, C. Suzuki, K. Wada, M. Yamamoto, T. Nishitani, J. Watanabe, S. Kurahashi, M. Miyamoto, M. Kuwahara, R. Mizuno, T. Hirose, K. Kimura, H. Kobayakawa, Y. Takashima, M. Yoshioka and H. Matsumoto
Proceedings of 14th International Spin Physics Symposium (SPIN2000) and Workshop on Polarized Electron Sources and Polarimeters (PES2000) published in AIP Conference Proceedings 570 巻 頁: 1015 2001年