Conference List

Multiple Electron-Beam Generation from InGaN Photocathode EIPBN2021,June1-4,2021,Online Daiki Sato
半導体フォトカソード電子源を特徴とする電子ビーム検査技術, Innovative inspection technology opened by photo electron beam from III-V semiconductors 応用物理学会2-4回合同極限ナノ造形・構造物性研究会、オンライン開催、2020年10月26 - 27日 Tomohiro Nishitani, Yoshio Honda, Masaaki Araidai, Hiroshi Amano, Masao Tabuchi, Akihiro Narita, Hidehiro Yasuda, Fumitaro Ishikawa, Takashi Meguro, Atsushi Koizumi, Daiki Sato, Anna Honda
Electron Beam Technology Innovation by Semiconductor Photocathodes and its Commercialization 第39 回電子材料シンポジウム、オンライン開催、2020年10月7日-10月9日 Tomohiro Nishitani, Yoshio Honda, Masaaki Araidai, Hiroshi Amano, Masao Tabuchi, Akihiro Narita, Hidehiro Yasuda, Fumitaro Ishikawa, Takashi Meguro, Atsushi Koizumi, Daiki Sato, Anna Honda
SEM imaging using photo-electron beam by semiconductor photocathode The 63th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN 2019). Minneapolis, Minnesota, May 28 - 31, 2019 Tomohiro Nishitani, Daiki Sato, Haruka Shikano, Tomoaki Kawamata, Atsushi Koizumi, Hokuto Iijima, Masao Tabuchi
Surface Functional Recovery with Anneal Treatment for GaN Photocathode The 63th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN 2019). Minneapolis, Minnesota, May 28 - 31, 2019 Daiki Sato, Tomohiro Nishitani, Yoshio Honda, and Hiroshi Amano
半導体フォトカソードの研究開発と電子ビーム技術の事業化, Development of semiconductor photocathodes and the technology commercialization 第2回 陽電子回折研究会、2018年3月30日、KEKつくばキャンパス, The 2nd Workshop on Positron Diffraction, March 2018, KEK, Japan 西谷 智博, Tomohiro Nishitani
シングルショット観測をもたらすGaN 半導体フォトカソードによる電子ビーム技術革新, Innovate Electron Beam by GaN Semiconductor Photocathodes Conducive to Single Shot Imaging The 60th Memorial Symposium of The Japanese Society of Microscopy 日本電子顕微鏡学会第60回記念シンポジウム　企画セッション　真の構造を求めて：挑戦的顕微鏡研究開発、12月1日〜2日,宮崎, 日本, December 2017, Miyazaki, Japan, Microscopy, Volume 66, Issue suppl_1, 1 November 2017, Pages i6, https://doi.org/10.1093/jmicro/dfx041 西谷 智博, 成田 哲博, 冨田 健, 北村 真一, 目黒 多加志, 飯島 北斗, 渕 真悟, 田渕 雅夫, 本田 善央, 天野 浩, Tomohiro Nishitani, Akihiro Narita, Takeshi Tomita, Shin-ichi Kitamura, Takashi Meguro, Hokuto Iijima, Shingo Fuchi, Masao Tabuchi, Yoshio Honda, Hiroshi Amano
Electron Beam Sources using InGaN Semiconductor Photocathodes for Single-shot Imaging Electron Microscope Microscopy and Microanalysis (M&M2017), August 6-8 2017, St. Lois, US
Microscopy and Microanalysis, vol. 23, issue S1, pp. 808-809 (2017) Tomohiro Nishitani, Akihiro Narita, Takeshi Tomita, Shin-ichi Kitamura, Takashi Meguro, Hokuto Iijima, Shingo Fuchi, Masao Tabuchi, Yoshio Honda, Hiroshi Amano
Electron Beam Source using Semiconductor Photocathodes for Single-shot Imaging Electron Microscope International Conference on High Energy Density Science 2017 (HEDS2017), April 18-21, 2017, Pacifico Yokohama, Japan Tomohiro Nishitani
Electron Beam Sources using Semiconductor Photocathodes for Single-shot Imaging Electron Microscope 29th International Microprocesses and Nanotechnology Conference (MNC2016) November 8-11, 2016, Kyoto, Japan Tomohiro Nishitani, Yoshio Honda, Daiki Sato, Masao Tabuchi, Hiroshi Amano
Pulse electron beam from InGaN photocathode with negative electron affinity The 6th International Symposium on Growth of III-Nitrides (ISGN-6) will be held on November 8-13, 2015, Hamamatsu, Japan. Daiki Sato, Tomohiro Nishitani, Yoshio Honda, Hiroshi Amano
Pulse electron beam from InGaN photocathode with negative electron affinity the 41st Micro- and Nano Engineering (MNE 2015), 21-24 Sep. 2015, The Haag, The Netherlands Daiki Sato, Tomohiro Nishitani, Yoshio Honda and Hiroshi Amano
Photocathode electron beam sources using GaN and InGaN with NEA surface –Invited Talk- Gallium Nitride Materials and Devices X, SPIE. Photonics West 2015, 7-12 February 2015, The Moscone Center, San Francisco, California, United States. T. Nishitani, T. Maekawa, M. Tabuchi, T. Meguro, Y. Honda, H. Amano
Electron Beam Source using Wide Band Gap Semiconductor Photocathode with an NEA surface The 58th International Conference on Electron, Ion, and Photon Beam Technology and Nanofabrication (EIPBN 2014). May 27-30, 2014. Washington, D.C. Tomohiro Nishitani, Takuya Maekawa, Masao Tabuchi, Takashi Meguro, Hiroshi Amano
Novel Electron Source using Wide Band Gap Semiconductor Photocathode with an NEA surface –Invited Talk- International Semiconductor Device Research Symposium (ISDRS 2013), Dec. 10-13, 2013, Maryland, USA 20814 Tomohiro Nishitani, Takuya Maekawa, Takashi Meguro, Masao Tabuchi, Hiroshi Amano
In situ Observation of Formation Process of Negative Electron Affinity Surface of GaAs by Surface Photo-absorption MNC 2012, 25th International Microprocesses and Nanotechnology Conference (MNC2012), Oct. 30-Nov. 2, 2012, Kobe Meriken Park Oriental Hotel, Kobe, Japan K. Hayase, T. Nishitani, K. Suzuki, H. Imai, J. Hasegawa, D. Namba and T. Meguro
Superlattice Photocathode for High Brightness and Long NEA-surface lifetime Workshop on Sources of Polarized Leptons and High Brightness Electron Beams (PESP2010), September 21-24, 2010, Bonn, Germany, To be published, J. Phys.: Conf. Ser. (2010) Tomohiro Nishitani, Masao Tabuchi, Kazuya Motoki, Kento Takashima, Atsushi Era, Yoshikazu Takeda
Superlattice Photocathode for High Brightness and Long NEA-surface lifetime Polarized Electron Sources Polarimetry (PESP2010), September 21-24, 2010, Bonn, Germany Tomohiro Nishitani, Masao Tabuchi, Kazuya Motoki, Kento Takashima, Atsushi Era, Yoshikazu Takeda
A study on XAFS analysis of Cs/GaAs NEA surface Workshop on Sources of Polarized Leptons and High Brightness Electron Beams (PESP2010), September 21-24, 2010, Bonn, Germany, To be published, J. Phys.: Conf. Ser. (2010) Atsushi Era, Masao Tabuchi, Tomohiro Nishitani and Yoshikazu Takeda
High brightness electron source for pulse electron gun using semiconductor photocathodes with NEA surface The Twelfth Frontiers of Electron Microscopy in Materials Science (FEMMS2009), pp.78, September 27-October 2, 2009, Sasebo, Japan Tomohiro Nishitani, Masao Tabuchi, Yoshikazu Takeda, Kazuya Motoki, Kento Takashima
Development of Pulse Electron Gun with High Brightness Electron Source Using Superlattice Photocathode OIST Workshop, "Fundamentals of Quantum Mechanics and Its Applications", May 13-15, 2009, Okinawa, Japan Tomohiro Nishitani, Masao Tabuchi, Yoshikazu Takeda, Yuji Suzuki, Kazuya Motoki and Takashi Meguro
Development of an Electron Gun for the ERL Light Source in Japan 41st Advanced ICFA Beam Dynamics Workshop on Energy Recovery Linacs, pp.10-14, (2007), Dresbury Laboratory, UK N. Nishimori, R. Hajima, H. Iijima, R. Nagai, T. Nishitani
DEVELOPMENT OF A PHOTOCATHODE DC GUN AT JAEA-ERL Asian Particle Accelerator Conference, pp.175-177, (2007), Raja Ramanna Centre for Advanced Technology Central Complex, Indore, INDIA R. Hajima , T. Nishitani, H. Iijima, R. Nagai, N. Nishimori
JAEA PHOTOCATHODE DC-GUN FOR AN ERL INJECTOR Proceedings of International Free Electron Laser Conference, pp.319-322, (2006) T. Nishitani, R. Hajima, H. Iijima, R. Nagai, M. Sawamura, N. Kikuzawa, N. Nishimori, E.Minehara, M. Tabuchi, Y. Noritake, H. Hayashitani, Y. Takeda
NEA-Photocathode with high brightness performance Proceedings of the 2nd Annual Meeting of Particle Accelerator Society of Japan, pp. 49-51, (2005) Tomohiro Nishitani, Eisuke Minehara, Ryoichi Hajima, Yoshikazu Takeda, Toru Ujihara
Development of NEA-GaAs photocathode gun used for JAERI-FEL 6th Symposium on Advanced Photon Research, pp. 212-215, (2004) Tomohiro NISHITANI, Eisuke J MINEHARA, Ryoichi HAJIMA, Ryoji NAGAI, Masaru SAWAMURA, Nobuyuki NISHIMORI, Nobuhiro KIKUZAWA, Toshihiko YAMAUCHI
JAERI 200kV Electron Gun with an NEA-GaAs Photocathode Proceedings of the 1st Annual Meeting of Particle Accelerator Society of Japan, pp. 380-382 (2004) Tomohiro Nishitani, Eisuke J. Minehara, Ryoichi Hajima, Ryoji Nagai, Masaru Sawamura, Nobuyuki Nishimori, Nobuhiro Kikuzawa, Toshihiko Yamauchi
Study on Beam Dynamics in an ERL Injector Proceedings of the 1st Annual Meeting of Particle Accelerator Society of Japan, pp. 447-449, (2004) Ryoichi Hajima, Ryoji Nagai, Tomohiro Nishitani
Improvement of RF Low-Level Controller for JAERI ERL-FEL Proceedings of the 1st Annual Meeting of Particle Accelerator Society of Japan, pp. 293-295, (2004) Ryoji Nagai, Masaru Sawamura, Ryoichi Hajima, Nobuhiro Kikuzawa, Nobuyuki Nishimori, Tomohiro Nishitani, Eisuke J. Minehara
Parameter Optimization of JAERI ERL Injector by Simulated Annealing Proceedings of the 1st Annual Meeting of Particle Accelerator Society of Japan, pp. 420-422, (2004) Ryoji Nagai, Ryoichi Hajima, Masaru Sawamura, Nobuhiro Kikuzawa, Nobuyuki Nishimori, Tomohiro Nishitani, Eisuke J. Minehara
Misalignment Sensitivity of an Optical Resonator for JAERI ERL-FEL Proceedings of the 1st Annual Meeting of Particle Accelerator Society of Japan, pp. 656-658, (2004) Ryoji Nagai, Ryoichi Hajima, Masaru Sawamura, Nobuhiro Kikuzawa, Nobuyuki Nishimori, Tomohiro Nishitani, Eisuke J. Minehara
Recent Results of the JAERI Energy-Recovery Linac FEL Proceedings of the 26th International FEL Conference and 11th FEL Users Workshop, THOS21, pp. 301-303 (2004) Ryoichi Hajima, Hokuto Iijima, Nobuhiro Kikuzawa, Eisuke John Minehara, Ryoji Nagai, Nobuyuki Nishimori, Tomohiro Nishitani, Masaru Sawamura
JAERI 200 kV Electron Gun with an NEA-GaAs Photocathode Proceedings of the 26th International FEL Conference and 11th FEL Users Workshop, THPOS23, pp. 304-306 (2004) Tomohiro Nishitani, Ryoichi Hajima, Nobuhiro Kikuzawa, Eisuke John Minehara, Ryoji Nagai, Nobuyuki Nishimori, Masaru Sawamura
The development of GaAs-GaAsP strained-layer superlattice photocathode with high polarization and high quantum efficiency The 28th Linear Accelerator Meeting in Japan, July 30- August 1, 2003, Ibaraki, Japan, pp. 102-104 T. Nishitani, O. Watanabe, M. Yamamoto, T. Nakanishi, S. Okumi, K. Togawa, S. Tanaka, F. Furuta, M. Miyamoto, M. Kuwahara, N. Yamamoto, K. Naniwa, H. Kobayakawa, Y. Takashima, M. Takeda, T. Saka, T. Kato, H. Horinaka, T. Matsuyama
“A 200keV Gun with NEA-GaAs Photocathode to Produce Low Emittance Electron Beam” 25th International Free Electron Laser Conference (FEL2003), September 8-12, Tsukuba, Japan 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, M. Yoshioka
“Preparation of emittance measurement of a 200keV electron beam from NEA-GaAs photocathode by pepper pot method” 25th International Free Electron Laser Conference (FEL2003), September 8-12, Tsukuba, Japan N. Yamamoto, M. Yamamoto, T. Nakanishi, M. Kuriki, S. Okumi, F. Furuta, T. Nishitani, N. Miyamoto, M. Kuwahara, K. Naniwa, H. Matsumoto, J. Urakawa, M. Yoshioka
200 keV Polarized Electron Source for Linear Collider The 21st International Linear Accelerator Conference, August 19-23, 2002, pp. 682-684, Gyeongju, Korea M. Yamamoto, K. Wada, T. Nakanishi, S. Okumi, C. Suzuki, F. Furuta, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto
Measurement of Field Emission Dark Current from the Titanium, Copper, and Stainless Steel Electrodes under the High DC-Field Gradient Condition The 21st International Linear Accelerator Conference, August 19-23, 2002, pp. 433-435, Gyeongju, Korea F. Furuta, C. Suzuki, T. Nakanishi, S. Okumi, T. Goto, K. Wada, M. Yamamoto, T. Nishitani, M. Miyamoto, M. Kuwahara, T. Hirose, R. Mizuno, N. Yamamoto, H. Matsumoto, M. Yoshioka
Development of 200 keV Polarized Electron Source The 18th International Conference on High Energy Accelerators (HEACC2001), March 26-30, 2001, Tsukuba, Japan K. Wada, M. Yamamoto, T. Nakanishi, S. Okumi, T. Gotoh, K. Togawa, C. Suzuki, F. Furuta, T. Nishitani, J. Watanabe, S. Kurahashi, M. Miyamoto, H. Matsumoto, Y. Takeuchi and M. Yoshioka
Surface photovoltage effect on GaAs-GaAsP super-lattice studied with combination of synchrotron radiation and laser The Thirteenth International Conference on Vacuum Ultraviolet Radiation Physics, July 26, 2001 (Trieste, Italy) Senku Tanaka, Sam D More, Tomohiro Nishitani, Kazutoshi Takahashi, Tsutomu Nakanishi and Masao Kamada
Production of Sub-nanosecond Multi-bunch Polarized Electron Beam from Superlattice Photocathode The 25th Linear Accelerator Meeting in Japan, July 12-14, 2000, Himeji, Japan, p153-1155 K. Togawa, T. Nakanishi, S. Okumi, C. Suzuki, F. Furuta, K. Wada, T. Nishitani, M. Yamamoto, H. Kobayakawa, Y. Takeda, Y. Takashima, O. Watanabe, H. Horinaka, K. Wada, T. Matsuyama, Y. Kurihara, H. Matsumoto, T. Omori, Y. Takeuchi, M. Yoshioka and T. Baba
“Multi-bunch Polarized Electron Beam from Superlattice Photocathodes” International Workshop on Polarized Sources and Targets (PST99), September 29-October 2, 1999, Erlangen, Germany, p304-311 K. Togawa, T. Nakanishi, S. Okumi, C. Suzuki, F. Furuta, T. Ida, K. Wada, T. Nishitani, M. Yamamoto, T. Baba, T. Kato and T. Saka
“Polarized Electron Photocathodes and Guns Developed by Nagoya Collaborators” International Workshop on Polarized Sources and Targets (PST99), September 29-October 2, 1999, Erlangen, Germany, p230-236 T. Nakanishi, S. Okumi, K. Togawa, S. Nakamura, C. Suzuki, F. Furuta, K. Wada, T. Nishitani, M. Yamamoto, H. Kobayakawa, Y. Takashima, O. Watanabe, M. Yoshioka, H. Matsumoto, Y. Kurihara, T. Omori, K. Asano, H. Horinaka, K. Wada, T. Matsuyama, T. Baba, T. Kato and T. Saka
“Feasibility Study on Polarized RF-gun - Test of Cesium Telluride Photocathode” The 24th Linear Accelerator Meeting in Japan, July 7-9, 1999, Sapporo, Japan, p173-175 F. Furuta, T. Nakanishi, S. Okumi, K. Togawa, C. Suzuki, S. Nakamura, K. Wada, M. Yamamoto, T. Nishitani, K. Kimura, H. Sugiyama, H. Kobayakawa, Y. Takashima, M. Yoshioka and H. Matsumoto
“Reduction of Field Emission Dark Current from a Clean Copper Surface” The 24th Linear Accelerator Meeting in Japan, July 7-9, 1999, Sapporo, Japan, p122-124 C. Suzuki, T. Nakanishi, S. Okumi, T. Gotou, K. Togawa, F. Furuta, K. Wada, T. Nishitani, M. Yamamoto, J. Watanabe, S. Kurahashi, K. Asano, H. Matsumoto, M. Yoshioka and H. Kobayakawa
“Polarized Electron Sources at Nagoya University” RCNP PEARL Workshop, February 15, 1999, Suita, Japan K. Togawa, T. Nakanishi, S. Okumi, S. Nakamura, C. Suzuki, F. Furuta, T. Ida, K. Wada, T. Nishitani, M. Yamamoto, H. Kobayakawa, Y. Kurihara, H. Matsumoto, T. Omori, Y. Takeuchi, M. Yoshioka, K. Asano, H. Horinaka, K. Wada, T. Matsuyama, T. Baba, M. Mizuta, T. Kato and T. Saka
“Polarization Measurement of Picosecond Polarized Electron Beam from Superlattice Photocathodes” The 23rd Linear Accelerator Meeting in Japan, September 16-18, 1998, Tsukuba, Japan, p202-204 K. Togawa, T. Nakanishi, S. Okumi, S. Nakamura, C. Suzuki, F. Furuta, T. Ida, K. Wada, T. Nishitani, M. Yamamoto, J. Schuler, K. Aulenbacher, E. Reichert, T. Baba, Y. Kurihara, T. Omori, H. Horinaka and K. Wada
“Development of Semiconductor Photocathodes with Superlattice Structures for Polarized Electron Source" The 23rd Linear Accelerator Meeting in Japan, September 16-18, 1998, Tsukuba, Japan, p145-147 K. Wada, T. Ida, F. Furuta, T. Nakanishi, S. Okumi, S. Nakamura, K. Togawa, C. Suzuki, T. Nishitani, M. Yamamoto, M. Yoshioka, T. Omori, Y. Kurihara, H. Horinaka, K. Wada, T. Matsuyama, T. Baba, T. Kato and T. Saka
“Highly Polarized Electrons for Linear Colliders” Low Energy Polarized Electron Workshop (LE98), September 2-5, 1998, St. Petersburg, Russia, DPNU-98-30, LE98 Proceedings p118-124 T. Nakanishi, S. Okumi, K. Togawa, S. Nakamura, C. Suzuki, F. Furuta, T. Ida, K. Wada, T. Nishitani, M. Yamamoto, H. Kobayakawa, Y. Kurihara, H. Matsumoto, T. Omori, Y. Kurihara, M. Yoshioka, K. Asano, H. Horinaka, K. Wada, T. Matsuyama, T. Baba, M. Mizuta, T. Kato and T. Saka