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J-GLOBAL ID:200901052838738352   Update date: May. 28, 2020

Tokunaga Tomoharu

Tokunaga Tomoharu
Affiliation and department:
Job title: Assistant Professor
Research field  (2): Structural and functional materials ,  Nanomaterials
Research theme for competitive and other funds  (6):
  • 2018 - 2021 Development of ultra high strength more than 6GPa ultra light wegiht carbon nanotube spun yarn
  • 2018 - 2021 Preparation of Stable and Efficient Fluorescent Alloy Nanoparticles by Matrix Sputtering
  • 2014 - 2017 Grain boundary structure of ceramics
  • 2010 - 2012 Growth Mechanism Clarification and Control of Tungsten Oxide Nano Structures using Environmental TEM
  • 2009 - 2011 Development of high resolution in-situ electric field observation system in a transmission electron microscope
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Papers (32):
  • Yudai Yamashita, Tsuyoshi Kurachi, Tomoharu Tokunaga, Hidehiro Yoshida, Takahisa Yamamoto. Blue photo luminescence from 3 mol%Y2O3-doped ZrO2 polycrystals sintered by flash sintering under an alternating current electric field. JOURNAL OF THE EUROPEAN CERAMIC SOCIETY. 2020. 40. 54. 2072-2076
  • Lianlian Deng, Mai Thanh Nguyen, Jingming Shi, Yuen-Ting Rachel Chau, Tomoharu Tokunaga, Masaki Kudo, Syo Matsumura, Naoyuki Hashimoto, Tetsu Yonezawa. Highly Correlated Size and Composition of Pt/Au Alloy Nanoparticles via Magnetron Sputtering onto Liquid. Langmuir : the ACS journal of surfaces and colloids. 2020
  • Tsuyoshi Kurachi, Yudai Yamashita, Tomoharu Tokunaga, Hidehiro Yoshida, Takahisa Yamamoto. Suppression of nitridation of yttria-doped zirconia during flash sintering. JOURNAL OF THE AMERICAN CERAMIC SOCIETY. 2020
  • Mai Thanh Nguyen, Kai Yu, Tomoharu Tokunaga, Kornkit Boonyaperm, Soorathep Kheawhom, Masashi Arita, Tetsu Yonezawa. Green Synthesis of Size-Tunable Iron Oxides and Iron Nanoparticles in a Salt Matrix. ACS SUSTAINABLE CHEMISTRY & ENGINEERING. 2019. 7. 21. 17697-17705
  • Yudai Yamashita, Tsuyoshi Kurachi, Tomoharu Tokunaga, Hidehiro Yoshida, Takahisa Yamamoto. Technique to control specimen electric current during a flash state with alternating current electric fields. JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 2019. 127. 11. 849-851
more...
MISC (61):
  • Shunsuke Kobayashi. B-site ordered atomic structure in LSAT: (La0.3Sr0.7)(Al0.65Ta0.35)O3 single crystal. 2019. 58. 2. 93-93
  • Hidetoshi Matsumoto, Shuji Tsuruoka, Yasuhiko Hayashi, Koji Abe, Kenjiro Hata, Shaoling Zhang, Yoshitaka Saito, Motohiro Aiba, Tomoharu Tokunaga, Toru Iijima, Takuma Hayashi, Hirotaka Inoue, Gehan A. J. Amaratunga. Water transport phenomena through membranes consisting of vertically-aligned double-walled carbon nanotube array. CARBON. 2017. 120. 358-365
  • Toyokazu Tanabe, Tsubasa Imai, Tomoharu Tokunaga, Shigeo Arai, Yuta Yamamoto, Shigenori Ueda, Gubbala V. Ramesh, Satoshi Nagao, Hirohito Hirata, Shin-ichi Matsumoto, Takeshi Fujita, Hideki Abe. Nanophase-separated Ni3Nb as an automobile exhaust catalyst. CHEMICAL SCIENCE. 2017. 8. 5. 3374-3378
  • Tomoharu Tokunaga, Naoyuki Kishi, Kenya Yamakawa, Katsuhiro Sasaki, Takahisa Yamamoto. Methane decomposition for hydrogen production by catalytic activity of carbon black under low flow rate conditions. JOURNAL OF THE CERAMIC SOCIETY OF JAPAN. 2017. 125. 4. 185-189
  • Hiroaki Shirai, Mai Thanh Nguyen, David Cempel, Hiroki Tsukamoto, Tomoharu Tokunaga, Ying-Chih Liao, Tetsu Yonezawa. Preparation of Au/Pd Bimetallic Nanoparticles by a Microwave-Induced Plasma in Liquid Process. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN. 2017. 90. 3. 279-285
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Books (1):
  • Modern Technology and Applications of Metal Nano- and Microparticles
    2013 ISBN:9784781308272
Lectures and oral presentations  (10):
  • Transmission Electron Microscopy Observation of Nickel-Yttria Stabilized Zirconia Catalyst for Solid Oxide Fuel Cells in Methane Atmosphere
    (SOFC 13 2013)
  • Low-cost and large-scale production of high-purity carbon nanohorns by arc in water towards environmental devices
    (IEEE NMDC 2013 2013)
  • Fabrication of Metal Nanoparticle from Metal Filled Carbon Nanofibers and Their Size Control by Heating
    (IEEE NMDC 2013 2013)
  • Fabrication of Tin-Doped Carbon Nanofibres by MPCVD for Use as Hydrogen Storage Material and Their Observation by ETEM
    (International Conference on Diamond and Carbon Materials 2012 2012)
  • Development of in-situ observation technology for evaluation of SOFC anode Materials by environmental transmission electron microscope
    (MRS Fall Meeting & Exhibit 2011)
more...
Education (1):
  • 2005 - 2007 Kyushu University Faculty of Engineering
Work history (2):
  • 2017/04/01 - 現在 Nagoya University Assistant Professor
  • 2007/10/01 - 2017/03/31 Nagoya University Assistant Professor
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