論文 - 徳永 智春
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In-situ observation of carbon nanotube yarn during voltage application 査読有り
Tomoharu Tokunaga, Yasuhiko Hayashi, Toru Iijima, Yuki Uesugi, Masaki Unten, Katsuhiro Sasaki, Takahisa Yamamoto
Micron 74 巻 頁： 30-34 2015年
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Environment-Sensitive Thermal Coarsening of Nanoporous Gold 査読有り
Satoko Kuwano-Nakatani, Takeshi Fujita, Kazuki Uchisawa, Daichi Umetsu, Yu Kase, Yusuke Kowata, Katsuhiko Chiba, Tomoharu Tokunaga, Shigeo Arai, Yuta Yamamoto, Nobuo Tanaka, Mingwei Chen
MATERIALS TRANSACTIONS 56 巻 ( 4 ) 頁： 468-472 2015年
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Plasma-Induced Tungsten Doping of TiO2 Nanoparticles for Enhanced Photocatalysis using Visible Light 査読有り
17 巻 ( 38 ) 頁： 24556-24559 2015年
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Atomic Observation of Catalysis-Induced Nanopore Coarsening of Nanoporous Gold 査読有り
Takeshi Fujita, Tomoharu Tokunaga, Ling Zhang, Dongwei Li, Luyang Chen, Shigeo Arai, Yuta Yamamoto, Akihiko Hirata, Nobuo Tanaka, Yi Ding, Mingwei Chen
Nano Letters 14 巻 ( 3 ) 頁： 1172-1177 2014年
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Mechanism for the Precipitation of Carbon on the surface of an Ni Catalyst 査読有り
Tomoharu Tokunaga, Hiroki Tasugi, Natsuki Iwamoto, Katsuhiro Sasaki, Takahisa Yamamoto
AMTC Letters ４ 巻 頁： 60-61 2014年
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Domain Structure of LSAT Single Crystal 査読有り
Shunsuke Okada, Katsuhiro Sasaki, Tomoharu Tokunaga, Satoshi Kobayashi, Takahisa Yamamoto
AMTC Letters ４ 巻 頁： 34-35 2014年
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Yttrium Segregation Behavior to Necks during Sintering in Aluminum Doped with Yttria 査読有り
Tomoya Sako, Tomoharu Tokunaga, Katsuhiro Sasaki, Hiroaki Yoshida, Takahisa Yamamoto
AMTC Letters 4 巻 頁： 36-37 2014年
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In Situ TEM Observation of Double-Wall TiO2 Nanotube 査読有り
Chaorui Xue, Takashi Narushima, Yohei Ishida, Tomonaru Tokunaga, Tetsu Yonezawa
Chemistry Letters 43 巻 ( 9 ) 頁： 1514-1516 2014年
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Fabrication of tin-filled carbon nanofibres by microwave plasma vapour deposition and their in situ heating observation by environmental transmission electron microscopy 査読有り
Tomoharu Tokunaga, Takumi Kanematsu, Takafumi Ito, Takahisa Ota, Yasuhiko Hayashi, Katsuhiro Sasaki, Takahisa Yamamoto
Nanoscale Research Letters 8 巻 頁： 302(1)-302(7) 2013年
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Microstructural analysis of thermal degradation of palladium-coated niobium membrane 査読有り
Katsuhiro Sasaki, Masashi Hattori, Kentaro Tsuchimoto, Hiroshi Yukawa, Shigeo Arai, Tomoharu Tokunaga, Yoshinori Murata, Takahisa Yamamoto
573 巻 頁： 192-197 2013年
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Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating 査読有り
Tomoharu Tokunaga, Takumi Kanematsu, Takahisa Ota, Katsuhiro Sasaki, Takahisa Yamamoto, Yasuhiko Hayashi
Proceedings of Nanotechnology Materials and Devices Conference 頁： 5-8 2013年
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Low-cost and large-scale production of high-purity carbon nanohorns by arc in water towards environmental devices 査読有り
Yasuhiko Hayashi, Toru. Iijima, Takashi Kitamura, Yuji, Uesugi, H. Takahashi1, M. Unten, Tomoharu Tokunaga
Proceedings of Nanotechnology Materials and Devices Conference 頁： 1-5 2013年
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Transmission Electron Microscopy Observation of Nickel-Yttria Stabilized Zirconia Catalyst for Solid Oxide Fuel Cells in Methane Atmosphere 査読有り
Tomoharu Tokunaga, Hiroki Tasugi, Natsuki Iwamoto, Toshiaki Yamaguchi, Hirohumi Sumi, Yoshinobu Fujishiro, Katsuhiro Sasaki, Takahisa Yamamoto
ECS Transactions 57 巻 ( １ ) 頁： 1455-1462 2013年
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Growth and structure analysis of tungsten oxide nanorods using environmental TEM 査読有り
Tomoharu Tokunaga, Tadashi Kawamoto, Kenta Tanaka, Naohiro Nakamura, Yasuhiko Hayashi, Katsuhiro Sasaki, Kotaro Kuroda, Takahisa Yamamoto
Nanoscale Research Letters 7 巻 頁： 85(1-7) 2012年1月
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Temperature distributions of electron beam-irradiated samples by scanning electron microscopy 査読有り
Tomoharu Tokunaga, Takashi Narushima, Tetsu Yonezawa, Takayuki Sudo, Shuichi Okubo, Shigeyuki Komatsubara, Katsuhiro Sasaki, Takahisa Yamamoto
Journal of Microscopy 頁： in-press 2012年
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High temperature in-situ observations of multi-segmented metal nanowires encapsulated within carbon nanotubes by in-situ filling technique 査読有り
Yasuhiko Hayashi, Tomoharu Tokunaga, Toru Iijima, Takuya Iwata, Golap Kalita, Masaki Tanemura, Katsuhiro Sasaki, Kotaro Kuroda
Nanoscale Research Letters 頁： inpress 2012年
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Atomic origins of the high catalytic activity of nanoporous gold 査読有り
Takeshi Fujita, Pengfei Guan, Keith McKenna, Xingyou Lang, Akihiko Hirata, Ling Zhang, Tomoharu Tokunaga, Shigeo Arai, Yuta Yamamoto, Nobuo Tanaka, Yoshifumi Ishikawa, Naoki Asao, Yoshinori Yamamoto, Jonah Erlebacher and Mingwei Chen
Nature materials 11 巻 頁： 775-780 2012年
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In-situ ETEM Observation of Change in CaO Powder Composition by High-humidity Gas 査読有り
Tomoharu Tokunaga, Keishi Kimura, Hiromoto Tasugi, Katsuhiro Sasaki, Takahisa Yamamoto
AMTC Letters 3 巻 頁： 88-89 2012年
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A method for Accurate Temperature Measurement Using Infrared Thermal Camera 査読有り
Tomoharu Tokunaga, Takashi Narushima, Tetsu Yonezawa, Takayuki Sudo, Shuichi Okubo, Shigeyuki Komatsubara, Katsuhiro Sasaki, Takahisa Yamamoto
Journal of Electron Microscopy 0 巻 頁： 1-5 2012年
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Observation of microstructural changes in polymer-coated Kompeito-type platinum particles by in situ heating TEM 査読有り
Takashi Narushima, Makino T, Tomoharu Tokunaga,Tetsu Yonezawa
Journal of Nanoscience and Nanotechnology 12 巻 ( 3 ) 頁： 2612-2616 2012年