RESEARCH PERFORMANCE荒井重勇 研究実績

Kazumasa Murata, Junya Ohyama, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Methane Combustion over Pd/Al2O3 Catalysts in the Presence of Water: Effects of Pd Particle Size and Alumina Crystalline Phase, ACS Catal. 10 (2020) 8149-8156.

Ryota Ashikaga, Kazumasa Murata, Tetsuya Ito, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Tuning the oxygen release properties of CeO2-based catalysts by metal–support interactions for improved gasoline soot combustion, Catal. Sci. Technol. 10 (2020) 7117

Kazumasa Murata, Keiji Ogura, Junya Ohyama, Kyoichi Sawabe, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, “Selective Hydrogenation of Cinnamaldehyde over the Stepped and Plane Surface of Pd Nanoparticles with Controlled Morphologies by CO Chemisorption”, ACS Appl. Mater. Interfaces, 12 (2020) 26002-26012.

Kazuto Arakawa, Mihai-Cosmin Marinica, Steven Fitzgerald, Laurent Proville, Duc Nguyen-Manh, Sergei Dudarev, Pui-Wai Ma, Thomas D Swinburne, Alexandra M. Goryaeva, Yamada Tetsuya, Takafumi Amino, Shigeo Arai, Yuta Yamamoto, Kimitaka Higuchi, Nobuo Tanaka, Hidehiro Yasuda, Tetsuya Yasuda, Hirotaro Mori, Quantum de-trapping and transport of heavy defects in tungsten, Nature Materials (2020) DOI:10.1038/s41563-019-0584-0.

Junya Ohyama, Keiichi Okubo, Kazutomo Ishikawa, Takahiro Saida, Yuta Yamamoto, Ahigeo Arai, Atsushi Satsuma, Removal of Surface Poisoning Improves Hydrogen Oxidation Performance of Pt Catalysts under Basic Conditions, ACS Appl. Energy Mater. 3 (2020) 1854-1859.

Kazumasa Murata, Daichi Kosuge, Junya Ohyama, Yuji Mahara, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Exploiting Metal–Support Interactions to Tune the Redox Properties of Supported Pd Catalysts for Methane Combustion, ACS Catalysis, (2019) DOI:10.1021/acscatal.9b04524.

Kazumasa Murata, Eleen Eleeda, Junya Ohyama, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma "Identification of active sites in CO oxidation over Pd/Al2O3 catalyst” Physical Chemistry Chemical Physics 21(33) 18128-18137.

Junya Ohyama, Jumpei Shibano, Atsushi Satsuma, Fukuda Ryoichi, Yuta Yamamoto, Shigeo Arai, Tetsuya Shishido, Hiroyuki Asakura, Saburo Hosokawa, Tsunehiro Tanaka "Quantum Chemical Computation Driven Development of Cu-Shell-Ru-Core Nanoparticle Catalyst for NO Reduction Reaction” The Journal of Physical Chemistry C 123(33) 20251-20256.

Shusaku Shoji, Xiaobo Peng, Tsubasa Imai, Paskalis Sahaya Murphin Kumar, Kimitaka Higuchi, Yuta Yamamoto, Tomoharu Tokunaga, Shigeo Arai, Shigenori Ueda, Ayako Hashimoto, Noritatsu Tsubaki, Masahiro Miyauchi, Takeshi Fujita, Hideki Abe “Topologically Immobilized Catalysis Centre for Long-term Stable Carbon Dioxide Reforming of Methane” Chemical Science 10(13) (2019)

Masakuni Ozawa, Masaki Misaki, Masaki Iwakawa, Masatomo Hattori, Katsutoshi Kobayashi, Kimitaka Higuchi, Sigeo Arai, “Low content Pt-doped CeO2 and core-shell type CeO2/ZrO2 model catalysts; microstructure, TPR and three way catalytic activities” catalysis Today 332 (2019) 251–258

Takeshi Fujita, Xiaobo Peng, Akira Yamaguchi, Yohei Cho, Yongzheng Zhang, Kimitaka Higuchi, Yuta Yamamoto, Tomoharu Tokunaga, Shigeo Arai, Masahiro Miyauchi, Hideki Abe, “Nanoporous Nickel Composite Catalyst for the Dry Reforming of Methane” ACS Omega, 3 (2018) 16651-16657.

Kenshi Miyaura, Yasumitsu Miyata, Boanerges Thendie, Kazuhiro Yanagi, Ryo Kitaura, Yuta Yamamoto, Shigeo Arai, Hiromichi Kataura, Hisanori Shinohara, " Extended-conjugation π-electron systems in carbon nanotubes ", Scientific reports, 8 (2018) 8098

Yoshimasa Takahashi, Itaru Ashida, Shigeo Arai, Kimitaka Higuchi, Yuta Yamamoto, Shunsuke Muto "Interfacial fracture strength evaluation of Cu/SiN micro-components: applicability of the linear fracture mechanics criterion under a hydrogen environment" International Journal of Fracture, 210 (2018)

Kazumasa Murata, Yuji Mahara, Junya Ohyama, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma “The Metal-Support Interaction Concerning the Particle Size Effect of Pd/Al2O3 on Methane Combustion” Angew. Chem. Int. Ed. 56 (2017) 1-6

Takeshi Fujita , Kimitaka Higuchi, Yuta Yamamoto, Tomoharu Tokunaga, Shigeo Arai, Hideki Abe “In-Situ TEM Study of a Nanoporous Ni-Co Catalyst Used for the Dry Reforming of Methane“ Metals, 7 (2017) 406

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, 8 (2017) 3374-3378

Yoshimasa Takahashi, Kazuya Aihara, Itaru Ashida, Masanori Takuma, Kenichi Saitoh, Tomohiro Sato, Kimitaka Higuchi, Yuta Yamamoto, Shigeo Arai, Shunsuke Muto “Interfacial fracture strength property of micro-scale SiN/Cu components“ Procedia Structural Integrity, 2 (2016) 1367-1374

Hiroshi Inoue, ShunsukeMuto, Shigeo Arai, Hiroaki Wasada, Noritsugu Umehara, “Microscopic origin of ultra-low friction coefficient between the wear track formed on carbon nitride coating and transfer layer on sliding ball in friction tests under dry N2”, Surface & Coatings Technology, 313 (2017) 31-39

Yoshimasa TAKAHASHI, Kazuya AIHARA, Itaru ASHIDA, Kimitaka HIGUCHI, Yuta YAMAMOTO, Shigeo Arai, Shunsuke MUTO, Nobuo TANAKA, "Evaluation of interfacial fracture strength in micro-components with different free-edge shape", Mechanical Engineering Journal, Vol.3, No.6, 2016

Masashi Yamaguchi, Hiroyuki Yamada, Kimitaka Higuchi, Yuta Yamamoto, Shigeo Arai, Kazuyoshi Murata, YukoMori, Hiromitsu Furukawa, Mohammad Shorif Uddin, Hiroji Chibana, “High-voltage electron microscopy tomography and structome analysis of unique spiral bacteria from the deep sea”, Microscopy, 65 (2016) 363-369

Hiroshi Inoue, ShunsukeMuto, Xingrui Deng, Shigeo Arai, Noritsugu Umehara, “Structure analysis of topmost layer of CNx after repeated sliding using scanning transmission electron microscopy electron energy-loss spectroscopy”, Thin Solid Films 616 (2016) 134–140

Yoshimasa Takahashi, Hikaru Kondo, Ryo Asano, Shigeo Arai, Kimitaka Higuchi, Yuta Yamamoto, Shunsuke Muto, Nobuo Tanaka, Direct evaluation of grain boundary hydrogen embrittlement: a micro-mechanical approach, Materials Science & Engineering A, 2016, doi: 10.1016/j.msea.2016.03.035

Takeshi Fujita, Hideki Abe, Toyokazu Tanabe, Yoshikazu Ito, Tomoharu Tokunaga, Shigeo Arai, Yuta Yamamoto, Akihiko Hirata, Mingwei Chen, Earth-Abundant and Durable Nanoporous Catalyst for Exhaust-Gas Conversion, Advanced Functional Materials, 2016, doi: 10.1002/adfm.201504811

Qing Wang, Ryo Kitaura, Shoji Suzuki, Yuhei Miyauchi, Kazunari Matsuda, Yuta Yamamoto, Shigeo Arai, and Hisanori Shinohara, Fabrication and In Situ Transmission Electron Microscope Characterization of Free-Standing Graphene Nanoribbon Devices, ACS NANO, 2016, 10, 1475-1480

Junya Ohyama, Akihiko Esaki, Taiki Koketsu, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Atomic-scale insight into the structural effect of a supported Au catalyst based on a size-distribution analysis using Cs-STEM and morphological image-processing, Journal of Catalysis, 2016, 335, 24-35

Y. Takahashi, H. Kondo, K. Aihara, M. Takuma, K. Saitoh, S. Arai, S. Muto, Y. Yamamoto, K. Higuchi, N. Tanaka, “Interfacial fracture strength of micro-scale Si/Cu components with different free-edge shape” Key Engineering Materials, 665, 169-172 (2016)DOI: 10.4028/www.scientific.net/KEM.665.169

Junya Ohyama, Yui Okata, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Investigation of Size Effect of Ag Nanoparticles on Oxygen Reduction Reaction Using Ag/Co/C Catalysts Prepared by Galvanic Deposition Method, Catal. Lett 146 (2016) 22-27

Takehito Imai, Kimitaka Higuchi, Yuta Yamamoto, Shigeo Arai, Takashi Nakano, Nobuo Tanaka, Sub-nm 3D observation of human hair melanin by high-voltage STEM, 65 (2016) 185-189

Junya Ohyama, Taiki Koketsu, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma,Preparation of TiO2 -Supported Twinned Gold Nanoparticles by CO Treatment and Their CO Oxidation Activity, Chemical Communications 51 (2015) 15823-15826

Y. Takahashi, S. Arai, Y. Yamamoto, K. Higuchi, H. Kondo, Y. Kitagawa, S. Muto, N. Tanaka,Evaluation of Interfacial Fracture Strength in Micro-Scale Components Combined with High-Voltage Environmental Electron Microscopy, Experimental Mechanics, 2015, 55, 1047-1056

Satoko Kuwano-Nakatani, Takeshi Fujita, Kazuki Ushisawa, Daichi Umetsu, Yu Kase, Yusuke Kowata, Katsuhiko Chiba, Tomoharu Tokunaga, Shigeo Arai, Yuta Yamamoto, Nobuo Tanaka, Mingwei Chen,Environment-Sensitive Thermal Coarsening of Nanoporous Gold, Materials Transactions, 2015, 56, (4), 468-472

Shuto Yamasaka, Yoshiaki Nakamura, Tomohiro Ueda, Shotaro Takeuchi, Yuta Yamamoto, Shigeo Arai, Takayoshi Tanji, Nobuo Tanaka, Akira Sakai,Fabrication of Si Thermoelectric Nanomaterials Containing Ultrasmall Epitaxial Ge Nanodots with an Ultrahigh Density, Journal of electron materials, 2015, 44, (6), 2015-2020

Takeshi Fujita, Tomoharu Tokunaga, Ling Zhang, Dongwei Li, Lu-Yang Chen, Shigeo Arai, Yuta Yamamoto, Akihiko Hirata, Nobuo Tanaka, Yi Ding, Mingwei Chen, Atomic Observation of Catalysis-Induced Nanopore Coarsening of Nanoporous Gold, 　Nano Letters, 2014, 14(3)

Kohei Kamatani, Kimitaka Higuchi, Yuta Yamamoto, Shigeo Arai, Nobuo Tanaka, Masaru Ogura, Direct observation of catalytic oxidation of particulate matter using in situ TEM, Scientific Reports, 2015, 5, 10161

Yuta Yamamoto, Shigeo Arai, Akihiko Esaki, Junya Ohyama, Atsushi Satsuma, Nobuo Tanaka, Statistical distribution of single atoms and clusters of supported Au catalyst analyzed by global high-resolution HAADF-STEM observation with morphological image-processing operation, Microscopy, 2014, vol.63, No.3, 209-218

Yuji Mahara, Hiroyuki Ishikawa, Junya Ohyama, Kyoichi Sawabe, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Enhanced CO Oxidation Activity of Ni@Ag Core-Shell Nanoparticles, Chem.Lett.2014, 43, 910–912

Kazuyoshi Murata, Masatoshi Esaki, Teru Ogura, Shigeo Arai, Yuta Yamamoto, NobuoTanaka, Whole-cell imaging of the budding yeast Saccharomyces cerevisiae by high-voltage scanning transmission electron tomography, Ultramicroscopy 146 (2014) 39–45

Atsushi Satsuma, Takumi Tojo, Kohei Okuda, Yuta Yamamoto, Shigeo Arai, Junya Oyama, Effect of preparation method of Co-promoted Pd/alumina for methane combustion, Catalysis Today, 12 July 2014

Atsushi Satsuma, Masatoshi Yanagihara, Kaoru Osaki, Yurina Saeki, Heng Liu, Yuta Yamamoto, Shigeo Arai, Junya Ohyama, Promotion of low-temperature oxidation of CO over Pd supported on titania-coated ceria, RSC Adv. 2014, 4, 54187

K. Tatsumi, S. Muto, J. Rusz, T. Kudo, S. Arai, “Signal enhancement of electron magnetic circular dichroism by ultra-high-voltage TEM, toward quantitative nano-magnetism measurements” Microscopy 63, pp.243-247 (2014)

A.H. Tavabi, S. Arai, S. Muto, T. Tanji, R.E. Dunin-Borkowski: In Situ Transmission Electron Microscopy of Ionic Conductivity and Reaction Mechanisms in Ultrathin Solid Oxide Fuel Cells, Microsc. Microanal. 20 (2014) 1817-1825.

Qing Wang, Ryo Kitaura, Yuta Yamamoto, Shigeo Arai, Hisanori Shinohara, Synthesis and TEM structural characterization of C60-flattened carbon nanotube nanopeapods, Nano Research, 2014, 7, (12), 1843-1848

Junya Ohyama, Akihiko Esaki, Yoshinori Hayashi, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma,Atomic Scale Investigation of Gold Particle Size Effect on Hydrogenation Reaction, TOCAT7, GP2066

Atsuko Tomita, Tetsuo Honma, Kazuo Kato, Shunsuke Muto, Yuta Yamamoto, Shigeo Arai, Yutaka Tai,Structural Analysis of Iron Oxide Supported On alumina by Means of X-ray Absorption Spectroscopy, TOCAT7, GP2189

Y. Takahashi, H. Kondo, R. Asano, M. Takuma, K. Saitoh, S. Arai, S. Muto and N. Tanaka, “In situ micro-mechanical testing of grain boundaries combined with environmental TEM”, APCFS/SIF-2014 International Congress

Takeshi Fujita, Tomoharu Tokunaga, Ling Zhang, Dongwei Li, Luyang Chen, Shigeo Arai, Yuta Yamamoto, Akihiko Hirata, Nobuo Tanaka, Yi Ding, Mingwei Chen, Atomic Observation of Catalysis-Induced Nanopore Coarsening of Nanoporous Gold, Nano Lett. 14 (2014) 1172-1177

Lijiao Hua, Yang Jua, Mingji Chena, Atsushi Hosoi, Shigeo Arai, Growth of Cu2O flower/grass-like nanoarchitectures and their photovoltaic effects,Applied Surface Science, 305 (2014) 710–715

Ryo Nakanishi, Ryo Kitaura, Jamie H. Warner, Yuta Yamamoto, Shigeo Arai, Yasumitsu Miyata, Hisanori Shinohara, Thin single-wall BN-nanotubes formed inside carbon nanotubes, Scientific Reports 3, Article number: 1385

Ohyama J, Sato T, Yamamoto Y, Arai S, Satsuma A, Size Specifically High Activity of Ru Nanoaprticles for Hydrogen Oxidation Reaction in Alkaline Electrolyte, RSC Adv (2013) 3, 1033-1036

Yuki Sasaki, Ryo Kitaura, Yuta Yamamoto, Shigeo Arai, Shoji Suzuki, Yasumitsu Miyata, Hisanori Shinohara, Preparation and Observation of an Atomic Layer of Gold Formed on the Surface of Graphene, Appl. Phys. Express 5 (2012) 065103

Junya Ohyama, Akihiko Esaki, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Gold Sub-nano Cluster as Selective Catalyst for 2,5-Hydroxymethylfurfural Hydrogenation, The 8th International Mesostructured Materials Symposium (IMMS2013)

Junya Ohyama, Akihiko Esaki, Yuta Yamamoto, Shigeo Arai, Atsushi Satsuma, Selective Hydrogenation of 2,5-Hydroxymethylfurfural to 2,5-Bishydroxymethylfurfural over Gold Sub-nano cluster, RSC Adv., (2013) 3 1033–1036

Amir Hossein Tavabi, Shigeo Arai, Takayoshi Tanji, In Situ Analytical Electron Microscopy Studies of Redox Reactions at s YSZ/Pt Interface, Microscopy and Microanalysis 18 (2012) 538-544

Shunta Harada, Kazuaki Seki, Yuji Yamamoto, Can Zhu, Yuta Yamamoto, Shigeo Arai, Jun Yamasaki, Nobuo Tanaka, Toru Ujihara, Polytype Transformation by Replication of Stacking Faults Formed by Two-dimensional Nucleation on Spiral Steps during SiC Solution Growth, Cryst. Growth Des. 2012, 12, 3209-3214

S.Harada, R.Kunimatsu, Xiao Shiyu, Y.Yamamoto, M.Tagawa, Y.Yamamoto, S.Arai, N.Tanaka, T.Ujihara, Structure of basal plane defects formed by threading screw dislocation conversion during high quality SiC solution growth, ISETS '13, December 14, Nagoya University, Nagoya, December 13-15(2013), 14-7-8(1301).oral.

原田俊太, 國松亮太, 田川美穂, 山本悠太, 荒井重勇, 田中信夫, 宇治原徹, 透過電子顕微鏡法によるSiC溶液成長における欠陥挙動解析, SiC及び関連ワイドギャップ半導体研究会　第21回講演会

Wataru Norimatsu, Koichiro Hirata, Yuta Yamamoto, Shigeo Arai, Michiko Kusunoki, Epitaxial growth of boron-doped　graphene by thermal decomposition of　B4C, J. Phys.: Condens. Matter 24 (2012) 314207 (5pp)