Papers - TOKUNAGA, Tomoharu
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Enhancement of sintering rates in BaTiO3 by controlling of DC electric current Reviewed
Akinori Uehashi, Hdehiro Yoshida, Tomoharu Tokunaga, Katsuhiro Sasaki, Takahisa Yamamoto
Vol. 123 ( 6 ) page： 465-468 2015
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In-situ observation of carbon nanotube yarn during voltage application Reviewed
Tomoharu Tokunaga, Yasuhiko Hayashi, Toru Iijima, Yuki Uesugi, Masaki Unten, Katsuhiro Sasaki, Takahisa Yamamoto
Micron Vol. 74 page： 30-34 2015
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Environment-Sensitive Thermal Coarsening of Nanoporous Gold Reviewed
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 Vol. 56 ( 4 ) page： 468-472 2015
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Mechanism for the Precipitation of Carbon on the surface of an Ni Catalyst Reviewed
Tomoharu Tokunaga, Hiroki Tasugi, Natsuki Iwamoto, Katsuhiro Sasaki, Takahisa Yamamoto
AMTC Letters Vol. ４ page： 60-61 2014
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Domain Structure of LSAT Single Crystal Reviewed
Shunsuke Okada, Katsuhiro Sasaki, Tomoharu Tokunaga, Satoshi Kobayashi, Takahisa Yamamoto
AMTC Letters Vol. ４ page： 34-35 2014
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Yttrium Segregation Behavior to Necks during Sintering in Aluminum Doped with Yttria Reviewed
Tomoya Sako, Tomoharu Tokunaga, Katsuhiro Sasaki, Hiroaki Yoshida, Takahisa Yamamoto
AMTC Letters Vol. 4 page： 36-37 2014
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Atomic Observation of Catalysis-Induced Nanopore Coarsening of Nanoporous Gold Reviewed
Takeshi Fujita, Tomoharu Tokunaga, Ling Zhang, Dongwei Li, Luyang Chen, Shigeo Arai, Yuta Yamamoto, Akihiko Hirata, Nobuo Tanaka, Yi Ding, Mingwei Chen
Nano Letters Vol. 14 ( 3 ) page： 1172-1177 2014
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In Situ TEM Observation of Double-Wall TiO2 Nanotube Reviewed
Chaorui Xue, Takashi Narushima, Yohei Ishida, Tomonaru Tokunaga, Tetsu Yonezawa
Chemistry Letters Vol. 43 ( 9 ) page： 1514-1516 2014
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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 Reviewed
Tomoharu Tokunaga, Takumi Kanematsu, Takafumi Ito, Takahisa Ota, Yasuhiko Hayashi, Katsuhiro Sasaki, Takahisa Yamamoto
Nanoscale Research Letters Vol. 8 page： 302(1)-302(7) 2013
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Microstructural analysis of thermal degradation of palladium-coated niobium membrane Reviewed
Katsuhiro Sasaki, Masashi Hattori, Kentaro Tsuchimoto, Hiroshi Yukawa, Shigeo Arai, Tomoharu Tokunaga, Yoshinori Murata, Takahisa Yamamoto
Vol. 573 page： 192-197 2013
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Fabrication of metal nanoparticles from metal-filled carbon nanofibers and their size control by heating Reviewed
Tomoharu Tokunaga, Takumi Kanematsu, Takahisa Ota, Katsuhiro Sasaki, Takahisa Yamamoto, Yasuhiko Hayashi
Proceedings of Nanotechnology Materials and Devices Conference page： 5-8 2013
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Low-cost and large-scale production of high-purity carbon nanohorns by arc in water towards environmental devices Reviewed
Yasuhiko Hayashi, Toru. Iijima, Takashi Kitamura, Yuji, Uesugi, H. Takahashi1, M. Unten, Tomoharu Tokunaga
Proceedings of Nanotechnology Materials and Devices Conference page： 1-5 2013
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Transmission Electron Microscopy Observation of Nickel-Yttria Stabilized Zirconia Catalyst for Solid Oxide Fuel Cells in Methane Atmosphere Reviewed
Tomoharu Tokunaga, Hiroki Tasugi, Natsuki Iwamoto, Toshiaki Yamaguchi, Hirohumi Sumi, Yoshinobu Fujishiro, Katsuhiro Sasaki, Takahisa Yamamoto
ECS Transactions Vol. 57 ( １ ) page： 1455-1462 2013
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Growth and structure analysis of tungsten oxide nanorods using environmental TEM Reviewed
Tomoharu Tokunaga, Tadashi Kawamoto, Kenta Tanaka, Naohiro Nakamura, Yasuhiko Hayashi, Katsuhiro Sasaki, Kotaro Kuroda, Takahisa Yamamoto
Nanoscale Research Letters Vol. 7 page： 85(1-7) 2012.1
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A method for Accurate Temperature Measurement Using Infrared Thermal Camera Reviewed
Tomoharu Tokunaga, Takashi Narushima, Tetsu Yonezawa, Takayuki Sudo, Shuichi Okubo, Shigeyuki Komatsubara, Katsuhiro Sasaki, Takahisa Yamamoto
Journal of Electron Microscopy Vol. 0 page： 1-5 2012
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In-situ ETEM Observation of Change in CaO Powder Composition by High-humidity Gas Reviewed
Tomoharu Tokunaga, Keishi Kimura, Hiromoto Tasugi, Katsuhiro Sasaki, Takahisa Yamamoto
AMTC Letters Vol. 3 page： 88-89 2012
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Temperature distributions of electron beam-irradiated samples by scanning electron microscopy Reviewed
Tomoharu Tokunaga, Takashi Narushima, Tetsu Yonezawa, Takayuki Sudo, Shuichi Okubo, Shigeyuki Komatsubara, Katsuhiro Sasaki, Takahisa Yamamoto
Journal of Microscopy page： in-press 2012
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High temperature in-situ observations of multi-segmented metal nanowires encapsulated within carbon nanotubes by in-situ filling technique Reviewed
Yasuhiko Hayashi, Tomoharu Tokunaga, Toru Iijima, Takuya Iwata, Golap Kalita, Masaki Tanemura, Katsuhiro Sasaki, Kotaro Kuroda
Nanoscale Research Letters page： inpress 2012
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Atomic origins of the high catalytic activity of nanoporous gold Reviewed
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 Vol. 11 page： 775-780 2012
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Observation of microstructural changes in polymer-coated Kompeito-type platinum particles by in situ heating TEM Reviewed
Takashi Narushima, Makino T, Tomoharu Tokunaga,Tetsu Yonezawa
Journal of Nanoscience and Nanotechnology Vol. 12 ( 3 ) page： 2612-2616 2012