論文

• Hiroshi Mizoguchi, Yuta Osawa, Masato Sasase, Naoki Ohashi, Masaaki Kitano, Hideo Hosono. Ammonia Cracking Catalyzed by Ni Nanoparticles Confined in the Framework of CeO2 Support, J. Phys. Chem. Lett., Vol. 14, pp. 9516-9520, Oct. 2023.
• M. Hiraishi, H. Okabe, A. Koda, R. Kadono, T. Ohsawa, N. Ohashi, Keisuke Ide, Toshio Kamiya, Hideo Hosono. Local electronic structure of dilute hydrogen in Beta-Ga2O3 probed by muons, Phys. Rev. B, Jan. 2023.
• M. Hiraishi, H. Okabe, A. Koda, R. Kadono, T. Ohsawa, N. Ohashi, Keisuke Ide, Toshio Kamiya, Hideo Hosono. Local electronic structure of dilute hydrogen in Beta-Ga2O3 probed by muons, Phys. Rev. B, Jan. 2023.
• Norio Saito, Pierric Lemoine, Stéphane Cordier, Yoshitaka Matsushita, Takeo Ohsawa, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Structural and electronic properties of the metal cluster‐based compounds including high concentration of solvent molecules, Zeitschrift für anorganische und allgemeine Chemie, Feb. 2021.
• jun mizushiro, kohei yoshimatsu, naoki ohashi, masahiko tanaka, osami sakata, akira ohtomo. Optical and structural investigations on titanium oxynitride films for visible-UV photocatalytic applications, Journal of Applied Physics, Vol. 127, No. 135301, Page 6, Apr. 2020.
• Masatoshi Hiraishi, Kenji M. Kojima, Ishihiro Yamauchi, Hirotaka Okabe, Soshi Takeshita, Akihiro Koda, Ryosuke Kadono, Xiao Zhang, Satoru Matsuishi, Hideo Hosono, Kazuto Hirata, Shigeki Otani, Naoki Ohashi. Electronic correlation in the quasi-two-dimensional electride Y₂C, Physical Review B, 98, 041104(R)-1-5, July 2018.
• Norio Saito, Pierric Lemoine, Stephane Cordier, Takeo Ohsawa, Yoshiki Wada, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Simulation of crystal and electronic structures of octahedral molybdenum cluster complex compound Cs2[Mo6Cl14] using various DFT functionals, Journal of the Ceramic Society of Japan, Vol. 125, No. 10, pp. 753-759, Oct. 2017.
• Koji Horiba, Ryu Yukawa, Taichi Mitsuhashi, Miho Kitamura, Takeshi Inoshita, Noriaki Hamada, Shigeki Otani, Naoki Ohashi, Sachiko Maki, Jun-ichi Yamaura, Hideo Hosono, Youichi Murakami, Hiroshi Kumigashira. Semimetallic bands derived from interlayer electrons in the quasi-two-dimensional electride Y₂C, Phys. Rev. B, 96, 045101-045101-5, July 2017.
• Norio Saito, Stephane Cordier, Pierric Lemoine, Takeo Ohsawa, Yoshiki Wada, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Lattice and Valence Electronic Structures of Crystalline Octahedral Molybdenum Halide Clusters-Based Compounds, Cs2[Mo6X14] (X = Cl, Br, I), Studied by Density Functional Theory Calculations, Inorganic Chemistry, Vol. 56, No. 10, pp. 6234–6243, June 2017.
• Haochun Tang, Yosuke Kishida, Keisuke Ide, Yoshitake Toda, Hidenori Hiramatsu, Satoru Matsuishi, Shigenori Ueda, Naoki Ohashi, Hideya Kumomi, Hideo Hosono, Toshio Kamiya. Multiple Roles of Hydrogen Treatments in Amorphous In-Ga-Zn-O Films, ECS J. Sol. State Sci. Technol., 6, 365-372, May 2017.
• Norio Saito, Pierric Lemoine, Noee Dumait, Marian Amela-Cortes, Serge Paofai, Thierry Roisnel, Vivian Nassif, Fabien Grasset, Yoshiki Wada, Naoki Ohashi, Stephane Cordier. From Cs2Mo6Cl14 to Cs2Mo6Cl14·H2O and Vice Versa: Crystal Chemistry Investigations, Journal of Cluster Science, Vol. 28, No. 2, pp. 773-798, Mar. 2017.  公式リンク  
  
• Junghwan Kim, Takumi Sekiya, Norihiko Miyokawa, Naoto Watanabe, Koji Kimoto, Keisuke Ide, Yoshitake Toda, Shigenori Ueda, Naoki Ohashi, Hidenori Hiramatsu, Hideo Hosono, Toshio Kamiya. Conversion of an ultra-wide bandgap amorphous oxide insulator to a semiconductor, NPG Asia Materials, vol. 9, p. e359, Mar. 2017.  公式リンク  
  
• Thai Giang Truong, Benjamin Dierre, Fabien Grasset, Noriko Saito, Norio Saito, Thi Kim Ngan Nguyen, Kohsei Takahashi, Tetsuo Uchikoshi, Marian Amela-Cortes, Yann Molard, Stephane Cordier, Naoki Ohashi. Visible Tunable Lighting System Based on PVP Composites Embedding ZnO Nanocrystals and Metallic Clusters: from Colloids to Thin Films, Science and Technology of Advanced Materials, Vol. 17, No. 1, pp. 443–453, Aug. 2016.  公式リンク  
  
• Alfian Noviyanto, Toshiyuki Nishimura, Masaaki Kitano, Naoki Ohashi. Pulverization of oxide powders utilizing thermal treatment in ammonia-based atmosphere, J. Eur. Ceram. Soc., Vol. 36, pp. 4083-4088, June 2016.
• Norio Saito, Yoshiki Wada, Pierric Lemoine, Stephane Cordier, Fabien Grasset, Takeo Ohsawa, Noriko Saito, Jeffrey Scott Cross, Naoki Ohashi. Theoretical and Experimental Determination of the Crystal Structures of Cesium-Molybdenum Chloride, Japanese Journal of Applied Physics, Japan Society of Applied Physics, Vol. 55, No. 7, pp. 075502-1-8, June 2016.  公式リンク  
  
• Haochun Tang, Keisuke Ide, Hidenori Hiramatsu, Shigenori Ueda, Naoki Ohashi, Hideya Kumomi, Hideo Hosono, Toshio Kamiya. Effects of thermal annealing on elimination of deep defects in amorphous In–Ga–Zn–O thin-film transistors, Thin Solid Films, Vol. 614, 73-78, 2016.
• Hong, 我田, Ohashi, Katsumata, K, KIYOSHI OKADA, NOBUHIRO MATSUSHITA. Transparent ZnO Films Deposited by Aqueous Solution Process Under Various pH Conditions, Journal of Electronic Materials, Vol. 44, 8, pp. 2658-2662, Feb. 2015.
• Haochun Tang, Kyohei Ishikawa, Keisuke Ide, Hidenori Hiramatsu, Shigenori Ueda, Naoki Ohashi, Hideya Kumomi, Hideo Hosono, Toshio Kamiya. Effects of residual hydrogen in sputtering atmosphere on structures and properties of amorphous In-Ga-Zn-O thin films, J. Appl. Phys., Vol. 118, pp. 205703-1-6, 2015.
• Takatoshi Orui, Johannes Herms, Yuichiro Hanyu, Shigenori Ueda, Ken Watanabe, Isao Sakaguchi, Naoki Ohashi, Hidenori Hiramatsu, Hideya Kumomi, Hideo Hosono, Toshio Kamiya. Charge Compensation by Excess Oxygen in Amorphous In-Ga-Zn-O Films Deposited by Pulsed Laser Deposition, J. Disp. Technol., Vol. 11, pp. 518-522, 2015.
• Hiroyo Segawa, 目 義雄, 西村 聡之, Naoki Ohashi, YUJI MATSUMOTO, NOBUHIRO MATSUSHITA. Science and Technology for Advanced Sustainable Ceramics" Preface, Journal of the Ceramic Society of Japan, Vol. 121, pp. 1411, Apr. 2013.
• Hajime Wagata, Naoki Ohashi, Ken-ichi Katsumata, Kiyoshi Okada, Nobuhiro Matsushita, Shuji Oishi, Katsuya Teshima. Effect of illuminated light wavelength on electric resistance of zinc oxide films prepared by spin-spray method, Journal of Flux Growth, Vol. 7, p. 55-59, Oct. 2012.
• Hajime Wagata, Naoki Ohashi, Ken-ichi Katsumata, Hiroyo Segawa, Yoshiki Wada, Hideki Yoshikawa, Shigenori Ueda, Kiyoshi Okada, Nobuhiro Matsushita. An aqueous solution process and subsequent UV treatment for highly transparent conductive ZnO films, Journal of Materials Chemistry, Vol. 22, pp. 20706-20712, July 2012.
• Jiri Malek, Takefumi Mitsuhashi, Naoki Ohashi, Yuki Taniguchi, HITOSHI KAWAJI, TOORU ATAKE. Heat capacity and thermodynamic properties of germanium disulfide at temperatures from T = (2 to 1240) K, JOURNAL OF CHEMICAL THERMODYNAMICS, ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 43, 3, 405-409, Mar. 2011.

国際会議発表 (査読有り)

• Hong Jeong-soo, Hajime Wagata, Naoki Ohashi, Ken-ichi Katsumata, Kiyoshi Okada, Nobuhiro Matsushita. Effects of UV Illumination and Thermal Treatment in Hydrogen on Electrical Conductivity of Solution-Processed ZnO Film, 2014 MRS Spring Meeting & Exhibit, Apr. 2014.
• JeongSoo Hong, Naoki Sugimoto, Hajime Wagata, Naoki Ohashi, Ken-ichi Katsumata, Kiyoshi Okada, Nobuhiro Matsushita. Solution-Processed ZnO Film with Various Structures, IUMRS-ICA 2014, 2014.
• JeongSoo Hong, Hajime Wagata, Naoki Ohashi, Ken-ichi Katsumata, KyungHwan Kim, Kiyoshi Okada, Nobuhiro Matsushita. Comparative Study for Conductivity between Solution-Processed and Sputtered ZnO Film, IUMRS-ICA 2014, 2014.
• Nobuhiro Matsushita, J. S. Hong, H. Wagata, K. Katsumata, N. Ohashi, Kiyoshi Okada. Highly Conductive Transparent ZnO Films Prepared at Below 100ºC, 6thPCGMR-NCKU Symposium, 2014.
• J. Hong, H. Wagata, N. Ohashi, K. Katsumata, K. Okada, N. Matsushita. Influence of thermal treatment on crystallographic and electrical properties of solution-processed ZnO films, The 7th International Conference on the Science and Technology for Advanced Ceramics, Abstract of STAC-7, June 2013.
• J.S.Hong, H. Wagata, N. Ohashi, K. Katsumata, K. Okada, N. Matsushita. The Crystallographic Property of Fe3O4 layer Deposited Successively on ZnO layer by Spin-Spray Method, The 11th International Conference on Ferrites, Abstract of ICF11, Apr. 2013.
• J.S.Hong, T. Watanabe, H. Wagata, N. Ohashi, K. Katsumata, K. Okada, N. Matsushita. Fabrication of Heterostructured α-Fe2O3/ZnO film for Photoelectrode by Aqueous Solution Process, The 11th International Conference on Ferrites, Abstract of ICF11, Apr. 2013.
• J.S.Hong, T. Watanabe, H. Wagata, N. Ohashi, K. Katsumata, K. Okada, N. Matsushita. Electrical, Optical and Structural Properties of Solution Processed ZnO Films with Various UV Illumination Condetions, The 11th International Conference on Ferrites, Abstract of ICF11, Apr. 2013.
• J.S.Hong, T. Watanabe, H. Wagata, K. Katsumata, N. Ohashi, K. Okada, N. Matsushita. Fabrication of 1 dimension Ga doped ZnO film by Aqueous solution Process, The 11th International Conference on Ferrites, Abstract of ICF11, Apr. 2013.
• JeongSoo Hong, Hajime Wagata, Ken-ichi Katsumata, Naoki Ohashi, Kiyoshi Okada, Nobuhiro Matsushita. Transparent ZnO Films Fabricated by Solution Process "Spin-Spray" at Different pH, 2012 MRS Spring Meeting, Abstract of 2012 MRS Spring Meeting, MRS, Apr. 2012.
• Hajime Wagata, Naoki Ohashi, Ken-ichi Katsumata, Kiyoshi Okada, Nobuhiro Matsushita. Low-temperature Aqueous Synthesis and Post UV Treatment for Highly Conductive Transparent ZnO Films, 2012 MRS Spring Meeting, Abstract of 2012 MRS Spring Meeting, Apr. 2012.
• Norio Saito, Tomohiko Yoshioka, Toshiyuki Ikoma, Naoki Ohashi, Haruka Haida, Astsushi Nakajima, Ryo Wakita, Haruhisa Fukayama, Masahiro Umino, Junzo Tanaka. Lidocaine Releasing Properties of Alginic Acid Gel Electrode Prepared by Electrochemical Deposition, The 28th International JAPAN-KOREA Seminar on Ceramics, Nov. 2011.

国内会議発表 (査読有り)

• 洪 正洙, 我田 元, 大橋 直樹, 勝又 健一, 岡田 清, 松下 伸広. 溶液プロセスによる透明ZnO膜の堆積と紫外線照射による導電性の変化, 日本セラミックス協会 第25回秋季シンポジウム, 第25回秋季シンポジウム 予稿集, Sept. 2012.
• 我田元, 大石修治, 大橋直樹, 勝又健一, 岡田清, 松下伸広, 手嶋勝弥. スピンスプレー法により作製した酸化亜鉛膜への紫外光照射処理による低抵抗化, 応用物理学会 第73回学術講演会, 応用物理学会 第73回学術講演会 予稿集, Sept. 2012.
• 我田元, 大石修治, 大橋直樹, 勝又健一, 岡田清, 松下伸広, 手嶋勝弥. 低環境負荷水溶液プロセスによる透明導電性酸化亜鉛膜の作製, 日本セラミックス協会 第25回秋季シンポジウム, 日本セラミックス協会 第25回秋季シンポジウム 予稿集, Sept. 2012.
• 我田元, 大石修治, 大橋直樹, 勝又健一, 岡田清, 松下伸広, 手嶋勝弥. 水溶液法によるシードフリー基板上への酸化亜鉛層の直接形成とその電気特性, 表面技術協会 第126回講演大会, 表面技術協会 第126回講演大会 講演予稿集, Sept. 2012.

国際会議発表 (査読なし・不明)

• T. Shimizu, H. Funakubo, N. Ohashi. Materials Aspects of New Ferroelectrics with Simple Crystal Structure, 242nd ECS Meeting, Oct. 2022.
• Norio Saito, Pierric Lemoine, Stephane Cordier, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Intercalation of volatile organic compound molecules into metal-cluster-complex-based Cs2[Mo6Cl14] compound, The 10th International Conference on the Science and Technology for Advanced Ceramics (STAC-10), Aug. 2017.
• Norio Saito, Pierric Lemoine, Stephane Cordier, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Optical properties of Cs2[Mo6Xi8Xa6] (X = Cl, Br, I) - Part I: Properties of Xi and Xa substituted compounds -, The 10th International Conference on the Science and Technology for Advanced Ceramics (STAC-10), Aug. 2017.
• Norio Saito, Pierric Lemoine, Stephane Cordier, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Optical properties of Cs2[Mo6Xi8Xa6] (X = Cl, Br, I) - Part II: Properties of Xi and Xa substituted compounds -, The 10th International Conference on the Science and Technology for Advanced Ceramics (STAC-10), Aug. 2017.
• Yoshiki Wada, Norio Saito, Fabien Grasset, Stephane Cordier, Karine Costuas, Naoki Ohashi. Ultrafast Dynamics of the Photoexcited States in Single Crystals of (TBA)2Mo6X14 (X=Cl Br and I), The 6th NIMS-UR1-CNRS-SG Workshop, Oct. 2016.
• Norio Saito, Pierric Lemoine, Stephane Cordier, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Structure and Optoelectronic Properties of Octahedral Molybdenum Cluster Based Compounds: Cs2[Mo6Xi8Xa6], The 6th NIMS-UR1-CNRS-SG Workshop, Oct. 2016.
• Yoshiki Wada, Norio Saito, Fabien Grasset, Stephane Cordier, Karine Costuas, Naoki Ohashi. Dynamics of the Photoexcited States in Octahedral Mo6 Cluster Halides, The 19th Int Conf. on Dynamical Processes in Excited States of Solid, July 2016.
• Yoshiki Wada, Fabien Grasset, Stephane Cordier, Tetsuo Uchikoshi, Norio Saito, Naoki Ohashi. Ultrafast Dynamics of the Photexcited States in Hexamolybdenum Cluster Halides, The 5th NIMS-UR1-CNRS-SG Workshop, Oct. 2015.
• Norio Saito, Stephane Cordier, Pierric Lemoine, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Benjamin Dierre, Jeffrey Scott Cross, Naoki Ohashi. Characterization, and Optoelectronic Study of Hexa-Molybdenum Cluster Complex Compounds: Cs2[Mo6Xi8Xa6], The 9th International Conference on the Science and Technology for Advanced Ceramics (STAC-9), Oct. 2015.
• Norio Saito, Yoshiki Wada, Stephane Cordier, Fabien Grasset, Noriko Saito, Jeffrey Scott Cross, Naoki Ohashi. Revision of the Crystal Structures of Cesium-molybdenum-chloride by Theoretical and Experimental Studies, The 5th NIMS-UR1-CNRS-SG Workshop, Oct. 2015.
• Norio Saito, Stephane Cordier, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Benjamin Dierre, Jeffrey Scott Cross, Naoki Ohashi. Coordination Structure and Optoelectronic Properties of [Mo6X14]2- Cluster Compounds, Saint-Gobain University Days, June 2015.

国内会議発表 (査読なし・不明)

• 清水荘雄, 舟窪浩, 大橋直樹. 新規非ペロブスカイト型強誘電体の開発, 第39回強誘電体応用会議（FMA39）, June 2022.
• Xun Liu, Yuta Osawa, Masatoshi Yanagida, Kohei Takahashi, Tetsuo Kishi, Hiroyo Segawa, Naoki Ohashi, Tetsuji Yano. Eu3+-doped Sr-Si-Al-O-N glass film synthesized by sol-gel process for luminescent-down shifting function, The 69th JSAP Spring Meeting 2022, 第69回応用物理学会春季学術講演会, 24p-D215-3, Mar. 2022.
• 舟窪浩, 伊藤満, 和田智志, 大橋直樹, 谷口博基, 清水荘雄. パワーデバイスやIoT用途の誘電体材料の創出, 第4回元素戦略シンポジウム―産学連携研究新展開―, Feb. 2020.
• 水城淳, 井上 忠彦, 吉松 公平, 大橋直樹, 大友 明. パルスレーザ堆積法を⽤いたチタン酸窒化物薄膜の作製, 第78回応用物理学会春季学術講演会, Sept. 2017.  公式リンク  
  
• 斎藤典生, ルモワンヌピエリック, コーディエステファン, 和田芳樹, 大澤健男, グラッセファビアン, クロス ジェフリー スコット, 大橋直樹. 八面体型モリブデンクラスター化合物の結晶構造と光電子機能の探索, 日本セラミックス協会第30回秋季シンポジウム, Sept. 2017.
• Norio Saito, Pierric Lemoine, Stephane Cordier, Yoshiki Wada, Takeo Ohsawa, Fabien Grasset, Jeffrey Scott Cross, Naoki Ohashi. Characterization, and Optoelectronic Study of Hexa-Molybdenum Cluster Complex Compounds: Cs2[Mo6Xi8Xa6], 第55回セラミックス基礎科学討論会, Jan. 2017.
• 斎藤典生, ルモワンヌピエリック, コーディエステファン, 和田芳樹, 大澤健男, グラッセファビアン, クロス ジェフリー スコット, 大橋直樹. 発光性金属クラスター錯体化合物Cs2[Mo6Xi8Xa6]の合成と光学的特性の評価, 日本セラミックス協会第29回秋季シンポジウム, Sept. 2016.
• 和田芳樹, 斎藤典生, グラッセファビアン, コーディエステファン, カリーヌコスタス, 大橋直樹. モリブデン6核クラスタ−錯体化合物の光励起後のダイナミックスII, 日本物理学会2016年秋季大会, Sept. 2016.
• 斎藤典生, ルモワンヌピエリック, コーディエステファン, 和田芳樹, 大澤健男, グラッセファビアン, クロス ジェフリー スコット, 大橋直樹. Mo6クラスター錯体化合物における多形形成のメカニズムとその制御, 日本セラミックス協会2016年年会, Mar. 2016.
• 和田芳樹, グラッセファビアン, コーディエステファン, 斎藤典生, 打越哲郎, 大橋直樹. モリブデン6核クラスタ−錯体化合物の光励起後のダイナミックス, 日本物理学会第71回年次大会, Mar. 2016.
• 斎藤典生, コーディエステファン, 和田芳樹, 大澤健男, ルモワンヌピエリック, グラッセファビアン, クロス ジェフリー スコット, 大橋直樹. Mo6クラスター錯体化合物の電子構造と組成の相関性, 第63回応用物理学会春季学術講演会, Mar. 2016.
• 斎藤典生, コーディエステファン, ルモワンヌピエリック, 和田芳樹, 大澤健男, グラッセファビアン, 打越哲郎, クロス ジェフリー スコット, 大橋直樹. モリブデン6核クラスター錯体化合物の結晶構造と電子構造の解析, 日本セラミックス協会第28回秋季シンポジウム, Sept. 2015.
• 松下伸広, 我田元, 大橋直樹, 洪正洙, 勝又健一, 岡田清. 水溶液から作製した酸化亜鉛膜の透明導電性, 第51回セラミックス基礎科学討論会, 第51回セラミックス基礎科学討論会 予稿集, Jan. 2013.
• 洪正洙, 我田元, 大橋直樹, 勝又健一, 岡田清, 松下伸広. 水溶液プロセスにより作製した透明導電性酸化亜鉛膜に対する窒素雰囲気熱処理の影響, 電気学会 平成25年基礎・材料・共通部門大会, 2013.

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