H
Hiroyuki A. Sakaue
Researcher at National Institutes of Natural Sciences, Japan
Publications - 159
Citations - 2170
Hiroyuki A. Sakaue is an academic researcher from National Institutes of Natural Sciences, Japan. The author has contributed to research in topics: Ion & Electron beam ion trap. The author has an hindex of 23, co-authored 151 publications receiving 1935 citations. Previous affiliations of Hiroyuki A. Sakaue include Hiroshima University.
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Journal ArticleDOI
Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device
Osamu Kaneko,Osamu Kaneko,Hiroshi Yamada,Hiroshi Yamada,Shigeru Inagaki,M. W. Jakubowski,Shin Kajita,Sumio Kitajima,Kobayashi,Kobayashi,Kazunori Koga,Tomohiro Morisaki,S. Morita,S. Morita,Takashi Mutoh,Takashi Mutoh,Satoru Sakakibara,Satoru Sakakibara,Yasuhiro Suzuki,Yasuhiro Suzuki,Hiroyuki Takahashi,Kenji Tanaka,Kazuo Toi,Yasuo Yoshimura,Tsuyoshi Akiyama,Y. Asahi,Naoko Ashikawa,Hirotaka Chikaraishi,Hirotaka Chikaraishi,A. W. Cooper,D. S. Darrow,Evgeny A. Drapiko,P. Drewelow,Xiaodi Du,Akira Ejiri,Masahiko Emoto,Todd Evans,Naomichi Ezumi,Keisuke Fujii,T. Fukuda,Hisamichi Funaba,Hisamichi Funaba,Masaru Furukawa,David Gates,Motoshi Goto,Motoshi Goto,Takuya Goto,W. Guttenfelder,Shinji Hamaguchi,Masahiro Hasuo,Tomoaki Hino,Y. Hirooka,Y. Hirooka,Katsuji Ichiguchi,Katsuji Ichiguchi,Katsumi Ida,Katsumi Ida,Hiroshi Idei,Takeshi Ido,Hiroe Igami,Katsunori Ikeda,Shinsaku Imagawa,Shinsaku Imagawa,Tsuyoshi Imai,Mitsutaka Isobe,Mitsutaka Isobe,Masafumi Itagaki,T. Ito,Kimitaka Itoh,Sanae I. Itoh,A. Iwamoto,Kensaku Kamiya,Tsuyoshi Kariya,Hiroshi Kasahara,Naohiro Kasuya,Daiji Kato,T. Kato,Kazuo Kawahata,Kazuo Kawahata,Fumihiro Koike,Shin Kubo,Ryuhei Kumazawa,Daisuke Kuwahara,Samuel Lazerson,H. Lee,Suguru Masuzaki,Suguru Masuzaki,S. Matsuoka,Hiroto Matsuura,Akinobu Matsuyama,Clive Michael,D. R. Mikkelsen,Osamu Mitarai,Toshiyuki Mito,Toshiyuki Mito,J. Miyazawa,J. Miyazawa,Gen Motojima,Kiyofumi Mukai,A. Murakami,Izumi Murakami,Izumi Murakami,Sadayoshi Murakami,Takeo Muroga,Takeo Muroga,Sadatsugu Muto,Sadatsugu Muto,K. Nagaoka,Kazunobu Nagasaki,Yoshio Nagayama,Yoshio Nagayama,Noriyoshi Nakajima,Noriyoshi Nakajima,Hiroaki Nakamura,Y. Nakamura,Y. Nakamura,Hideya Nakanishi,Hideya Nakanishi,Haruhisa Nakano,T. Nakano,Kazumichi Narihara,Yoshiro Narushima,Yoshiro Narushima,K. Nishimura,Seiya Nishimura,Masaki Nishiura,Y. M. Nunami,Y. M. Nunami,Tetsuhiro Obana,Kunihiro Ogawa,Satoshi Ohdachi,Satoshi Ohdachi,Noriyasu Ohno,Nobuyoshi Ohyabu,T. Oishi,M. Okamoto,Atsushi Okamoto,Masaki Osakabe,Yasuhisa Oya,T. Ozaki,N. A. Pablant,Byron J. Peterson,Byron J. Peterson,Akio Sagara,Akio Sagara,K. Saito,Ryuichi Sakamoto,Ryuichi Sakamoto,Hiroyuki A. Sakaue,Mamiko Sasao,Kuninori Sato,M. Sato,Keiji Sawada,Ryosuke Seki,Tetsuo Seki,V.Y. Sergeev,S. E. Sharapov,I. A. Sharov,Akihiro Shimizu,Takashi Shimozuma,Masaharu Shiratani,Mamoru Shoji,Shigeru Sudo,Shigeru Sudo,Hideo Sugama,Hideo Sugama,Chihiro Suzuki,Kazuya Takahata,Kazuya Takahata,Yasuhiko Takeiri,Yasuhiko Takeiri,Y. Takemura,M. Takeuchi,Hitoshi Tamura,Naoki Tamura,Hirohiko Tanaka,Teruya Tanaka,Teruya Tanaka,M. Tingfeng,Yasushi Todo,Yasushi Todo,Masayuki Tokitani,Masayuki Tokitani,Kazutoshi Tokunaga,Tokihiko Tokuzawa,Hayato Tsuchiya,Katsuyoshi Tsumori,Yoshio Ueda,Leonid Vyacheslavov,K.Y. Watanabe,K.Y. Watanabe,Tomo-Hiko Watanabe,Tsuguhiro Watanabe,Tsuguhiro Watanabe,B. Wieland,Ichihiro Yamada,S. Yamada,Shoji Yamamoto,Nagato Yanagi,Nagato Yanagi,Ryo Yasuhara,Masayuki Yokoyama,Masayuki Yokoyama,Nobuaki Yoshida,Shinji Yoshimura,Tomokazu Yoshinaga,Mikiro Yoshinuma,Mikiro Yoshinuma,A. Komori,A. Komori +209 more
TL;DR: In this article, the authors reported the progress of physical understanding as well as parameter improvement of net-current-free helical plasma for the Large Helical Device since the last Fusion Energy Conference in Daejeon in 2010, and focused on the optimization of plasma edge conditions to extend the operation regime towards higher ion temperature and more stable high density and high beta.
Journal ArticleDOI
Al Etching Characteristics Employing Helicon Wave Plasma
Nobuhiro Jiwari,Hiroaki Iwasawa,Akira Narai,Hiroyuki A. Sakaue,Haruo Shindo,Tatsuo Shoji,Yasuhiro Horiike +6 more
TL;DR: In this article, the authors studied the properties of helicon wave plasma employing Cl2 gas and its application to Al etching and found that the selectivity to resist and SiO2 is poor due to high substrate bias voltage.
Journal ArticleDOI
Dielectronic recombination of He-like to C-like iodine ions
Hirofumi Watanabe,Hirotsugu Tobiyama,Anthony Kavanagh,Yueming Li,Nobuyuki Nakamura,Hiroyuki A. Sakaue,Frederick Currell,Shunsuke Ohtani +7 more
TL;DR: In this article, the authors measured the open shell ion resonance strength from the measured spectra resonant strengths and measured the charge balance in an electron beam ion trap, and the results were $4.27(39), $1.49(14), ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}19}\phantom{\rule{0.3em}{0ex}}{\mathrm{cm}}^{2}
Journal ArticleDOI
Analysis of EUV spectra of Sn XIX-XXII observed in low-density plasmas in the Large Helical Device
Chihiro Suzuki,Takako Kato,Hiroyuki A. Sakaue,Daiji Kato,K. Sato,Naoki Tamura,Shigeru Sudo,Norimasa Yamamoto,Hajime Tanuma,Hayato Ohashi,Rebekah D’Arcy,G O'Sullivan +11 more
TL;DR: In this article, the authors measured extreme ultraviolet (EUV) spectra from highly charged tin ions in low-density and high-temperature plasmas produced in the Large Helical Device at the National Institute for Fusion Science.
Journal ArticleDOI
Intensity Ratio of Density-sensitive Lines in Fe Ions Observed with a Well-defined Laboratory Plasma
Nobuyuki Nakamura,Etsushi Watanabe,Hiroyuki A. Sakaue,Daiji Kato,Izumi Murakami,Norimasa Yamamoto,Hirohisa Hara,Tetsuya Watanabe +7 more
TL;DR: In this paper, the density dependence of line intensity ratios is investigated for several density-sensitive lines of Fe XIII, XIV, and XV using an electron beam ion trap equipped with a flat-field grazing incidence spectrometer.