大矢 豊

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プロフィール

酸化物薄膜の合成と物性評価/溶液法で酸化物半導体や強誘電体の薄膜を合成し、それらの物性を評価している。/低熱膨張セラミックスの合成と評価

研究分野

 
 

経歴

 
2003年
 - 
現在
岐阜大学 工学部 教授
 
1991年
 - 
2003年
岐阜大学 工学部 助教授
 
1983年
 - 
1991年
東京工業大学 助手
 
1990年
   
 
- 独、マックスプランク研究所 博士研究員
 
1983年11月
 - 
1991年3月
東京工業大学工業材料研究所(現 応用セラミックス研究所)
 

学歴

 
1976年4月
 - 
1980年3月
東京工業大学 工学部 無機材料工学科
 
1980年4月
 - 
1982年3月
東京工業大学総合理工学研究科材料科学専攻修士課程  
 

委員歴

 
2017年8月
 - 
現在
日本セラミックス協会東海支部  参与
 
2017年4月
 - 
2019年4月
耐火物技術協会  耐火物誌編集委員長
 
2017年4月
 - 
2019年4月
耐火物技術協会  理事
 
2015年4月
 - 
現在
耐火物技術協会  耐火物誌編集委員
 
1999年
 - 
現在
日本学術振興会第166委員会  委員
 

受賞

 
1997年
東海化学工業会賞
 

論文

 
Labanni Arniati, Zulhadjri Zulhadjri, Handayani Dian, Ohya Yutaka, Arief Syukri
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY      2019年6月   [査読有り]
Moriyama Takahiro, Hayashi Kensuke, Yamada Keisuke, Shima Mutsuhiro, Ohya Yutaka, Ono Teruo
PHYSICAL REVIEW MATERIALS   3(5)    2019年5月   [査読有り]
Yamada Tsuyoshi, Masuda Hayato, Park Kwihwan, Tachikawa Takumu, Ito Naoya, Ichikawa Tomohiro, Yoshimura Masatoshi, Takagi Yukio, Sawama Yoshinari, Ohya Yutaka, Sajiki Hironao
CATALYSTS   9(5)    2019年5月   [査読有り]
Takayuki Ban, Shota Iriyama, Yutaka Ohya
Advanced Powder Technology   29(3) 537-542   2018年3月   [査読有り]
? 2017 The Society of Powder Technology Japan Hydrothermal treatment of aqueous mixtures of boehmite (AlOOH), phosphoric acid, and tetramethylammonium hydroxide provided two types of layered aluminophosphates having tetramethylammonium ion (TMA+) ...
Takayuki Ban, Takahiro Wakita, Ryo Yokoyama, Tatsuya Miyake, Yutaka Ohya
CrystEngComm   20(25) 3559-3568   2018年1月   [査読有り]
? The Royal Society of Chemistry 2018. The influence of the negative charge densities of metalate nanosheets on their bottom-up syntheses was examined. Metalate nanosheets are usually prepared by exfoliating layered metalates. For each metalate, t...
Yutaka Ohya, Yukihiro Kawauchi, Takayuki Ban
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   125(9) 695-700   2017年9月   [査読有り]
? 2017 The Ceramic Society of Japan. All rights reserved. Pseudobrookite-type titanate has two types of oxide octahedra for different cation types. The cation distributions in the octahedra of three pseudobrookite type oxides, Al 2 TiO 5 , MgTi 2 ...
Kyyoul Yun, Shunji Yanase, Takayuki Ban, Yutaka Ohya
IEEE Transactions on Magnetics   53(12)    2017年6月   [査読有り]
IEEE In this paper, we propose a new metal bonding method using a ceramic precursor (zirconium butoxide or titanium tetraisopropoxide) or a ceramic nano powder. Magnetic hysteresis curves of the bonded specimen did not change significantly after b...
Syukri Arief, Putri Hidayani, Lusi Aferta, Zulhadjri, Takayuki Ban, Yutaka Ohya
Oriental Journal of Chemistry   33 87-91   2017年1月   [査読有り]
? 2017, Oriental Scientific Publishing Company. All rights reserved. Several bioreduction processes become appreciation for the synthesis of silver nanoparticles (AgNPs) because of their multiple applications, cost effective and eco-friendly. The ...
Yutaka Ohya, Shu Yamamoto, Shu Yamamoto, Takayuki Ban, Makoto Tanaka, Satoshi Kitaoka
Journal of the European Ceramic Society   37(4) 1673-1680   2017年4月   [査読有り]
? 2016 Elsevier Ltd.To fabricate aluminum titanate ceramics that possess both low thermal expansion coefficients and excellent mechanical properties, the co-doping of MgO with Y2O3, La2O3 and Nb2O5 was examined. Doping with MgO lowered the formati...
Takayuki Ban, Yasuhiko Kondo, Yutaka Ohya
CrystEngComm   18(45) 8731-8738   2016年1月   [査読有り]
? 2016 The Royal Society of Chemistry. The bottom-up synthesis of titanate nanoflakes in ionic liquid solvents was carried out by heating mixtures of titanium isopropoxide (TIP), 40% tetrabutylammonium hydroxide (TBAOH) aqueous solution, and ionic...
New fabrication method suggestion of the motor core using ceramic precursor
Kyyoul Yun, Masaki Hirano, Shunji Yanase and Yutaka Ohya
Int. J. Metall. Mater. Sci. Eng.   6 1-8   2016年   [査読有り]
Takayuki Ban, Takuya Nakagawa, Yutaka Ohya
Crystal Growth and Design   15(4) 1801-1807   2015年4月   [査読有り]
? 2015 American Chemical Society. The size, shape, and stacking of titanate nanosheets synthesized by heating aqueous mixtures of titanium complexes and tetrabutylammonium hydroxide were dependent on the type and amount of organic ligands and the ...
Syukri Arief, Vivi Gustia, Diana Vanda Wellia, Zulhadjri, Takayuki Ban, Yutaka Ohya
Journal of Chemical and Pharmaceutical Research   7(9S) 189-192   2015年1月   [査読有り]
? 2015, Journal of Chemical and Pharmaceutical Research. All rights reserved.Synthesis of silver nanoparticle using Gambier leaves (Uncaria gambier Roxb) extract and diethanol amine (DEA) as stabilizer has been done successfully. Synthesis process...
Sher Alam, Chokkalingam Anand, Chokkalingam Anand, Kripal Singh Lakhi, Jin Ho Choy, Wang Soo Cha, Wang Soo Cha, Ahmed Elzhatry, Salem S. Al-deyab, Yutaka Ohya, Ajayan Vinu
ChemPhysChem   15(16) 3440-3443   2014年8月   [査読有り]
The preparation of size-controllable Fe2O3 nanoparticles grown in nanoporous carbon with tuneable pore diameters is reported. These hybrid materials exhibit strong non-linear magnetic properties and a magnetic moment of approximately 229emug-1, wh...
Takayuki Ban, Shota Oishi, Yutaka Ohya
Journal of Porous Materials   21(3) 337-344   2014年1月   [査読有り]
Silicalite-1 crystals were hydrothermally synthesized from silica gels prepared under different conditions. The influence of the state of Si species in the silica gels and the concentrations of silicate ions and a template agent in the reaction so...
山本 衆, 曽我 卓矢, 伴 隆幸, 大矢 豊, 北岡 諭
耐火物 = Refractories   62(3)    2010年3月
Yutaka Ohya, Jyunya Okano, Yuki Kasuya, Takayuki Ban
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   117(9) 973-977   2009年9月   [査読有り]
Ga2O3 thin films were fabricated using the Ga nitrate and GaOOH aqueous solutions. The films were crystallized as β-Ga 2O3phase by heating at 700°C and the band gap of resultant films was about 4.9 eV. The films were uniform and the film from Ga n...
Takayuki Ban, Tomohiko Nakatani, Yutaka Ohya
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   117(1363) 268-272   2009年3月   [査読有り]
Anatase was hydrothermally synthesized from transparent aqueous sols including layered titanate colloids. The reaction sols were prepared from titanium isopropoxide and different alkylammonium hydroxides (NR 4OH). The influence of the type of NR 4...
Shigeyuki Uemiya, Atsushi Tanigawa, Tatsuya Koike, Yukichi Sasaki, Takayuki Ban, Yutaka Ohya, Ryo Yoshiie, Makoto Nishimura, Naoki Yamamoto, Katsunori Yogo, Koichi Yamada
Journal of Porous Materials   15(4) 405-410   2008年8月   [査読有り]
Oriented ZSM-5 seed crystals on an α-Al2O3 porous substrate were hydrothermally treated in a raw sol. The ZSM-5 membranes were fabricated via secondary growth of the seed crystals. For some samples, the seed-applied substrate was fired at 300 or 6...
Shigeo Hayashi, Takashi Sato, Yutaka Ohya, Zenbe E. Nakagawa
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   116(6) 786-791   2008年7月   [査読有り]
Authors have been trying to fabricate cristobalite-containing mullite bodies with high strength and toughness by reheating mullite-glass sintered bodies. In this process, a phenomenon that once-crystallized cristobalite layer changed back to amorp...
Takayuki Ban, Junichi Morimoto, Yutaka Ohya
Materials Chemistry and Physics   109(2-3) 347-351   2008年6月   [査読有り]
Zeolite L thin films were fabricated by applying fine zeolite L seed crystals on glass substrates and then hydrothermally treating the seeded substrates in reaction sols. The influence of anisotropic growth of the seed crystals on the orientation ...
Fumihito Ogawa, Takayuki Ban, Yutaka Ohya
Thin Solid Films   516(15) 4863-4867   2008年6月   [査読有り]
Hybrid inorganic-organic films were fabricated from aqueous colloidal solutions of a layered titanate salt and cationic and anionic surfactants. Cetyltrimethylammonium bromide and dodecyl phosphate were used as cationic and anionic surfactants, re...
Takayuki Ban, Tomohiko Nakatani, Yasufumi Uehara, Yutaka Ohya
Crystal Growth and Design   8(3) 935-940   2008年3月   [査読有り]
Six-pointed starlike anatase aggregates were synthesized hydrothermally from aqueous sols of tetramethylammonium titanate colloids having a lepidocrocite-type layered structure. Their microstructure was examined by transmission electron microscopy...
Yutaka Ohya, Yutaka Ohya, Tomonori Yamamoto, Takayuki Ban, Takayuki Ban
Journal of the American Ceramic Society   91(1) 240-245   2008年1月   [査読有り]
The dependence of the electrical conductivity of pure (99.999%) and tin-doped indium oxide (In2O3) ceramics on oxygen partial pressure was investigated at 800° and 850°C. The doping amount of tin was 100-1000 ppm, which is within the solubility li...
Takayuki Ban, Tomoyuki Sakai, Yutaka Ohya
Crystal Research and Technology   42(9) 849-855   2007年9月   [査読有り]
ZnO crystals were synthesized from basic aqueous solutions including zincate ions stabilized with triethanolamine (N(C2H 4OH)3, teaH3) by heating at 60°C. The influence of the basicity of the solutions on the morphology of the ZnO crystals was exa...
Takayuki Ban, Haruka Saito, Miyoshi Naito, Yutaka Ohya, Yasutaka Takahashi
Journal of Porous Materials   14(2) 119-126   2007年6月   [査読有り]
Zeolite L crystals were synthesized hydrothermally from aqueous mixtures of potassium hydroxide, metallic aluminum, and colloidal silica. The influence of hydrothermal conditions and the addition of triethanolamine (N(C 2H4OH)3; H3tea) upon the fo...
Yutaka Ohya, Yuki Yahata, Takayuki Ban
Journal of Sol-Gel Science and Technology   42(3) 397-405   2007年6月   [査読有り]
PZT films with different microstructure and Zr:Ti ratios were fabricated on ITO/glass and platinized silicon wafer substrates by dip-coating. A dense film of 2% porosity and a porous film of 19% porosity were obtained by repetition of thin and thi...
Yasuo Okazaki, Ma Lixin, Yutaka Ohya, Shunji Yanase, Shuichiro Hashi
Journal of Materials Processing Technology   181(1-3) 66-70   2007年1月   [査読有り]
TixCo1+xFe2-2xO4 (0 ≦ x ≦ 0.5) ferrite films and its composite films with CoFe2O4 synthesized by a sol-gel method were investigated on crystallographic and magnetic properties. Magnetization decreased with the increase of Ti content while coercive...
Yutaka Ohya, Hiroki Ishikawa, Takayuki Ban
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   114(1329) 411-414   2006年5月   [査読有り]
Zirconium oxide thin films were fabricated using a sol-gel method. The sols were prepared using zirconium alkoxide and acetate. An alcoholic solution of the alkoxide and an aqueous solution of the acetate were dip-coated on a glass substrate and f...
佐藤 隆, 沢辺 佳成, 大矢 豊, 林 滋生, 中川 善兵衛
耐火物   58(3)    2006年3月   [査読有り]
Hitoshi Ohashi, Yasuo Okazaki, Yutaka Ohya, Shunji Yanase, Shuichiro Hashi
IEEE Transactions on Magnetics   42(10) 2891-2893   2006年1月   [査読有り]
Magnetic properties related to nano-structure have been investigated for sol-gel grown spinel Co-ferrite thin films of which thickness was 200?300 nm controlled by spin coating. The magnetic properties depended on the annealing temperature, and th...
Improvement of NO2Gas Selectivity of Sol-Gel SnO2 Thin Film Sensor by Doping with Transition Metal Ions
Ohya Y.(Gifu Univ.),Sakakibara K.(Gifu Univ.),Ban T.(Gifu Univ.)
Proc. 22nd International Japan-Korea Seminar on Ceramics   24-26 507-511   2005年   [査読有り]
Preparation of Oriented PZT Films via Sol-Gel Method and Their Dielectric and Piezoelectric Properties
Y. Ohya, T. Tamakoshi, T. Ban and Y. Takahashi
Trans. Mater. Res. Soc. Jpn.   29(4) 1139-1142   2004年   [査読有り]
Lead Zirconate Titanate Thick Films by Sol-Gel Method for Piezoelectric Application
Proc. 13th IEEE Inter. Symp. Appl. Ferroelectrics 2002   467-470    2002年   [査読有り]
Yutaka Ohya, Zenbe E. Nakagawa, Kenya Hamano, Hiroshi Kawamoto, Satoshi Kitaoka
Materials Research Society Symposium - Proceedings   658(GG3.17.1-5) 1-5   2001年12月   [査読有り]
A microstructural change during the formation reaction of aluminum titanate from a mixture of rutile and corundum powders has been studied. The characterization was carried out using a polarization microscope, a scanning electron microscope and a ...
Dip-Coating of Metal Films from metal Acetates-Actolhydrazone System
Ceramic Processing Science VI, Ceramics Transactions Vol. 112   329-334    2001年   [査読有り]
Preparation of Concentrated, Halogen-Free Aqueous Titanium Solutions
T. Ohya, T. Ban, Y. Ohya and Y. Takahashi
Ceramic Processing Science VI, Ceramics Transactions Vol. 112,   112 47-52   2001年   [査読有り]
Dip-Coating of Metal Films from Metal Acetates-Acetolhydrazone System
Syukri, T. Terazawa, T. Ban, Y. Ohya and Y. Takahashi
Ceramic Processing Science VI, Ceramics Transactions Vol. 112,   112 329-334   2001年   [査読有り]
Yutaka Ohya, Tomokazu Ito, Masahiro Kaneko, Takayuki Ban, Yasutaka Takahashi
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   108(1261) 803-806   2000年12月   [査読有り]
Solid solubility of SnO2 in In2O3 was investigated in the interval between 1000 to 1500°C. Samples were prepared using In2O3 powder and tin alkoxide solution, as well as mixed solution of indium and tin alkoxides. X-ray diffraction analysis reveal...
Takashi Sato, Yoshinari S A Wabe, Yutaka Ohya, Mikio Sugai, Zenbe E. Nakagawa
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   108(1256) 345-349   2000年12月   [査読有り]
Cracking of a cristobalite-containing mullite body at the middle stage of crystallization during cooling was investigated by acoustic emission (AE) and the crack formation was discussed. The specimen was composed of an outside layer of crystalline...
Gas Sensing Properties of Porous Insulator/Oxide Semiconductor Multi-layered Films
Y. Ohya, T. Manabe, A. Hirose, T. Ban and Y. Takahashi
Trans. Mater. Res. Soc. Jpn.   25(4) 1207-1210   2000年   [査読有り]
Preparation of Mg-Al Spinel Powder from Nitrates Using Autoclave at Low Temperature
Z. Nakagawa, K. Watanabe, Y. Ohya, and K. Hamano
Proc. Joint ISHR and ICSTR   (July 25-28) 453-456   2000年   [査読有り]
佐藤隆, 沢辺佳成, 大矢豊, 菅井幹夫, 中川善兵衛
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   107(9) 838-843   1999年12月   [査読有り]
Crystallization of glass phase to cristobalite was investigated in mullite-glass ceramics with excess SiO 2 compositions (5.3-16.4 mass%), namely, higher than stoichiometric mullite. Starting powders were prepared by alkoxide hydrolysis method. Co...
Takayuki Ban, Takafumi Ohwaki, Yutaka Ohya, Yasutaka Takahashi
Angewandte Chemie - International Edition   38(22) 3324-3326   1999年11月
Growth of oriented seed crystals on a substrate led to a completely oriented and continuous membrane of LTA-type zeolite. The seed crystals of cubic morphology were dip-coated onto a tilted substrate (see schematic diagram) with the zeolite channe...
"Electrical Properties of ZrO2 Thin Films Doped with In2O3 by Sol-Gel Method"
Electroceramics of Japan (]G0002[),   CSJ.vol5 175-178   1999年
"溶液法によるSnO2薄膜のパターニング"
小川芳孝, 高橋康隆, 大矢 豊, 伴 隆幸
岐阜大学地域共同研究センター研究成果報告書,   9 80-82   1999年
溶液法によるSnO2薄膜のパターニング
小川 芳孝( ),高橋 康隆( ),大矢 豊( ),伴 隆幸( )
岐阜大学地域共同研究センター研究成果報告書   (9) 80-82   1999年
Electrical Properties of ZrO2 Thin Films Doped with In2O3 by Sol-Gel Method
Y. Ohya, M. Murayama, and Y. Takahashi
Key Eng. Mater., 169-170, 175-178 (1999)   169 175-178   1999年
V. Kumar, Y. Ohya, and Y. Takahashi
Jpn. J. Appl. Phys.   37(8) 4477-4481   1998年8月   [査読有り]
Ferroelectric thin films of PbTiO3 and Pb(Zr0.5Ti0.5)O3 were deposited using a sol-gel process from a highly stable precursor solution derived from a unique and simple system consisting of basic lead acetate, titanium and zirconium butoxides. This...
金属ペースト用有機金化合物の合成
高橋康隆, 類沢博文, 伴 隆幸, 大矢 豊, 西垣 進, 岡本芳樹, 原田昭雄
岐阜大学地域共同研究センター研究成果報告書,   8 116-119   1998年
Koichiro Hayashi, Masahiro Hosokawa, Tsukasa Yoshida, Yutaka Ohya, Yasutaka Takahashi, Osamu Yamamoto, Hideki Minoura
Materials Science and Engineering B   49 239-242   1997年10月   [査読有り]
A composite film composed of strontium doped lanthanum manganite (SLM), La0.9Sr0.1MnO3 and yttria stabilized zirconia (YSZ), (ZrO2)0.96(Y2O3)0.04, has been successfully prepared by metal-organic decomposition (MOD) at temperatures of 800-1000°C us...
"La1-x-Sr Mno3-YSZ Composite Fim Electrodes Prepraed by Metal-organic Decomposition for Solid Oxide Fuel Cell, "
Mater. Sci. Eng. ,   B49 239-42   1997年
水系ゾルから作製した酸化スズ薄膜のセンサー特性
大矢 豊, 三浦裕嗣, 伴 隆幸, 高橋康隆, 西垣 進, 岡本芳樹, 原田昭雄
岐阜大学地域共同研究センター研究成果報告書   7(7) 87-91   1997年
La0.5Sr0.5MnO3-YSZ Composite Film Electrodes Prepared by Metal-organic Decomposition for SOFC
K. Hayashi, T. Yoshida, M. Hosokawa, Y. Ohya, Y. Takahashi, O. Yamamoto and H. Minoura
Elecrrochem. Soc. Proc.   97(24) 700-707   1997年   [査読有り]
La1-xSrxMnO3-YSZ Composite Film Electrodes Prepared by Metal-organic Decomposition for Solid Oxide Fuel Cell
Hayashi K.(Gifu Univ.),Hosokawa M.(Gifu Univ.),Yoshida T.(Gifu Univ.),Ohya Y.(Gifu Univ.),Takahashi Y.(Gifu Univ.),Yamamoto O.(Gifu Univ.),Minoura H.(Gifu Univ.)
Mater. Sci. Eng.   B49 239-242   1997年
"Preparation of LiTaO3 Thin Film by Sol-Gel Method"
Trans. Mater. Res. Soc. Jpn.   20 632-635   1996年   [査読有り]
金属粉末上への酸化物膜コーティング -コーティング粒子の熱的・電気的性質-
大矢 豊, 玉井一誠, 高橋康隆, 伴 隆幸, 西垣 進, 岡本芳樹, 原田昭雄
岐阜大学地域共同研究センター研究成果報告書   6 73-78   1996年
Preparation of LiTaO3 Thin Film by Sol-Gel Method
Y. Ohya, Y. Ogawa, R. Ito, J. Oguri, T. Ban, S. Demachi, and Y. Takahashi
Trans. Mater. Res. Soc. Jpn.   20 632-635   1996年
Electrical Conductivity of Mn-Doped Indium Oxide Thin Films in Moist Air
Y. Takahashi, R. Bel Hadj Tahar, K. Shimaoka, T. Ban and Y. Ohya
Trans. Mater. Res. Soc. Jpn.   20 538-541   1996年
金森正晃,大竹秀樹,大矢 豊,高橋康隆
Journal of the Ceramic Society of Japan. International ed.   103(1) 59-63   1995年1月   [査読有り]
The effects of IV group element (Zr, Ti, Ge, Si) oxides addition on the grain growth of SnO2 thin films at elevated temperature (600°-1000°C) were investigated. It was found that addition of 10mol% GeO2 controlled the grain growth of SnO2 effectiv...
金属粉末上への酸化物膜コーティング -銀粒子表面に析出させたゲル及び酸化物の形状-
大矢 豊, 玉井一誠, 高橋康隆, 西垣 進, 岡部宏樹, 原田昭雄
岐阜大学地域共同研究センター研究成果報告書   5 61-66   1995年
M. Kanamori, M. Takeuchi, Y. Ohya, and Y. Takahashi
Chem. Lett.   1994 2035-2038   1994年   [査読有り]
Yutaka Ohya, Toshimasa Tanaka, Yasutaka Takahashi
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   32(9B) 4163-4167   1993年9月   [査読有り]
Lead zirconate titanate (PZT) films with the composition of Pb(ZrxTi1-x)O3(x: 0.2-0.8) were fabricated by dip-coating methods. The sol was prepared using ethanolamine as a sol stabilizer. The substrate was In2O3:Sn (ITO) sputtered glass (Corning #...
Dielectric Properties of Lead Zirconate Titanate Thir films Fabricated on In2O3 : Sn Substrate by Sol-Gel Method.
Jpn. J. Appl. Phys.   32(9B) 4163-4167   1993年   [査読有り]
Application of Ethanolamine Method for the Preparation of Indium Oxide-Based Sols and Films
Y. Takahashi, H. Hayashi, and Y. Ohya
Mat. Res. Soc. Symp. Proc.   271 401-406   1993年   [査読有り]
Yutaka Ohya, Yutaka Ohya, Michael J. Hoffmann, Michael J. Hoffmann, G?nter Petzow, G?nter Petzow
Journal of the American Ceramic Society   75(9) 2479-2483   1992年1月   [査読有り]
TiB2-particle reinforcement is one of the most successful methods for improving the fracture toughness of SIC ceramics.1-3 Commercially available TiB2 powders, however, have a large particle size and/or are highly reactive so that they are not fav...
Application of Ethanolamine Method for the Preparation of Indium Oxide-Based Sols and Films
Mat. Res. Soc. Symp. Proc.   271 401-406   1992年   [査読有り]
Corrosion of Various Materials by Molten Barium Nitrate
K. Takahashi, T. H. Sung, Y. Ohya, Z. Nakagawa, T. Nakamura
Report of Research Laboratory of Engineering Materials, Tokyo Institute of Ceramics   (16) 63-72   1991年
スピネルの合成と焼結におけるふっ化物添加の影響
真保満雄, 中川善兵衛, 大矢 豊, 浜野健也
耐火物   42(9) 478-484   1990年   [査読有り]
Shock Compaction of Diamond Powder in Reactive Mixtures
H. Kunishige, Y. Ohya, Y. Fukuyama, S. Watanabe, H. Tamura, A. B. Sawaoka, T. Taniguchi, and Y. Horie
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (15) 235-264   1990年
Corrosion of Aluminum Titanate Ceramics in Molten Aluminum
Y. Ohya, H. Kobayashi, Y. Nozaki, M. Hasegawa, Z. Nakagawa, and K. Hamano
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (15) 67-74   1990年
Preparation and Properties of MgO Powder from Mg(OH)2 with F- Addition
M. Shimbo, Y. Ohya, Z. Nakagawa and K. Hamano
Proceedings of MRS Int'l. Mtg. Adv. Mats.   3 217-223   1989年   [査読有り]
Application of Ultrasonic Technique for the Preparation of Ceramics Powder
Tomomasa Y.(Tokyo Inst, Tech,),Enomoto N.(Tokyo Inst, Tech,),Ohya Y.(Tokyo Inst, Tech,),Nakagawa Z.(Tokyo Inst, Tech,)
Proceedings of MRS Int'l. Mtg. Adv. Mats.   13 107-114   1989年
成 台鉉, 中川善兵衛, 有馬 滋, 伊熊泰郎, 大矢 豊, 石澤伸夫, 吉村昌弘
セラミックス論文誌   97(10) 1005-1008   1989年   [査読有り]
Mullite Ceramics Prepared by Spray-Drying of Solution
Z. Nakagawa, H. Kawabe, Y. Ohya, M. Hasegawa, and K. Hamano
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (14) 39-47   1989年
Yutaka Ohya, Zenbe E. Nakagawa, Kenya Hamano
Journal of the American Ceramic Society   71(5) C232-C233   1988年5月   [査読有り]
Bending strength and Young's modulus of aluminum titanate ceramics at room temperature to 1300 degree C were examined. Bending strength increased from 62 MPa at room temperature to 280 MPa at 1100 degree C. Young's modulus also increased, to 99 GP...
Effect of Al2TiO5 Decomposition on the Microstructure and Mechanical Properties of TiO1-Added Alumina Ceramics
C.S. Hwang, Z. Nakagawa, Y. Ohya, and K. Hamano
Proceedings of International Institute for the Science of Sintering (IISS) Symposium   1 369-374   1988年
Effects of Composition on Sintering and Bending Strength of Spinel Ceramics
T. Kanai, Z. Nakagawa, Y. Ohya, M. Hasegawa and K. Hamano
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (13) 75-83   1988年
Yutaka Ohya, Zenbe e. Nakagawa, Kenya Hamano
Journal of the American Ceramic Society   70(8) C184-C186   1987年8月   [査読有り]
The relation between grain size and grain-boundary microcracking during cooling in aluminum titanate ceramics was studied. Microcracking temperature was determined by the measurement of thermal contraction and expansion, which was accompanied by a...
Effects of Some Additives on Microstructure and Mechanical Strength of Aluminum Titanate Ceramics
Y. Ohya, M. Hasegawa, Z. Nakagawa, and K. Hamano
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (12) 81-91   1987年
Effect of TiO2 on Initial Sintering of Al2O3
C.S. Hwang, Z. Nakagawa, T.H. Sung, Y. Ohya, and K. Hamano
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (12) 93-102   1987年
Crack Propagation Resistance of Aluminum Titanate Ceramics
K. Hamano, Y. Ohya, and Z. Nakagawa
Int. J. High Technology Ceramics   1(2) 129-137   1985年   [査読有り]
Preparation of Porous Spinel Ceramics and Their Electrical Properties
K. Hamano, Z. Nakagawa, S. Enmei, Y. Ohya, and M. Hasegawa
Report of the Research Laboratory of Engineering Materials, Tokyo Institute of Technology   (10) 68-77   1985年
大矢 豊, 浜野健也, 中川善兵衛
窯協誌   91(6) 289-287   1983年6月   [査読有り]
浜野健也, 大矢 豊, 中川善兵衛
窯業協会誌   91(2) 95-101   1983年2月   [査読有り]

Misc

 
Yutaka Ohya
Handbook of Sol-Gel Science and Technology: Processing, Characterization and Applications   155-180   2018年7月
© Springer International Publishing AG, part of Springer Nature 2018. Salts of many cations that dissolve in water are used in the sol-gel process. Depending on the cation, the salts include halides, primarily chlorides. It is also possible to use...
Takayuki Ban, Toshihiro Ito, Yutaka Ohya
Journal of Sol-Gel Science and Technology   68 88-94   2013年10月
Oriented monoclinic WO3 thin films were fabricated by sol-gel method using aqueous sols of colloidal layered tungstates. The colloidal tungstate sols were prepared by reacting different alkylamines with layered tungstic acid H2WO4 in water. With d...
Takayuki Ban, Toshihiro Ito, Yutaka Ohya
Inorganic Chemistry   52 10520-10524   2013年9月
Aqueous sols of colloidal layered tetramethylammonium (TMA) tungstate nanocrystals were obtained by diluting an aqueous suspension of TMA polyoxotungstate precipitates. The slow evaporation of the colloidal-layered tungstate sols led to the deposi...
Mutsuhiro Shima, Kazuo Oguri, Yutaka Ohya, Manabu Gomi, Yumi H. Ikuhara, Yusuke Sasaki, Yukio Hishikawa, Kenji Kawabe
IEEE Transactions on Magnetics   49 4824-4826   2013年8月
Magnetic nanoparticles consisted of nickel zinc ferrite (NZF) were chemically synthesized by co-precipitation and simultaneously coated onto carbon microcoils (CMC), and their structure and magnetic properties were investigated. The samples were p...
大矢 豊
耐火物 = Refractories   65(8) 340-347   2013年8月
Satoshi Kusuda, Yuichirou Yasukawa, Hiroki Shibata, Tomomi Saito, Osamu Doi, Yutaka Ohya, Norio Yoshizaki
Zoological Science   30 366-374   2013年5月
The eggshells of 56 chelonians were examined by electron microscopy and X-ray diffractometry. They were classified into six types in terms of the matrix structure of their calcareous layer; type I was composed of a thin calcareous layer with miner...
Takayuki Ban, Takuya Ogura, Yoshitaka Ohashi, Roto Himeno, Fumitaka Ohashi, Tetsuji Kume, Yutaka Ohya, Hironori Natsuhara, Tamio Iida, Hitoe Habuchi, Shuichi Nonomura
Journal of Materials Science   48 989-996   2013年2月
Crystal structures of endohedrally Na-doped type II silicon clathrates with variable Na content were refined by Rietveld analysis. Type II Si clathrates have two types of cages: small and large. The large cages were preferentially occupied by Na a...
Takayuki Ban, Makoto Takamura, Manami Morikawa, Yutaka Ohya
Materials Chemistry and Physics   137 1067-1072   2013年1月
Thin disc-like zeolite L crystals were hydrothermally synthesized in the presence of organic ligands, such as catechol and acetylacetone. Thus, zeolite L crystals with many channel entrances on the surface were obtained. Although it was speculated...
Takayuki Ban, Shogo Yoshikawa, Yutaka Ohya
CrystEngComm   14 7709-7714   2012年11月
Colloidal suspensions of highly water-dispersible tantalate were prepared by the acid-base reaction of tetramethylammonium hydroxide (TMAOH) and tantalic acid, which was formed via the hydrolysis of tantalum ethoxide, in water at a molar ratio of ...
Sher Alam, Javed Ahmad, Yutaka Ohya, Dong Chungli, Chih Chin Hsu, Jyh Fu Lee, Shima Mutsuhiro, Kazuki Miki, Salem S. Al-Deyab, Jinghua Guo, Chikashi Nishimura
Journal of the Physical Society of Japan   81    2012年7月
Recently, an interesting multiferroic system PbVO 3 [A. A. Belik et al.: Chem. Mater. 17 (2005) 269] has been successfully prepared using a high-pressure and high-temperature technique. The crystallographic features of PbVO 3 were reported. In thi...
Makoto Tanaka, Kazumi Kashiwagi, Naoki Kawashima, Satoshi Kitaoka, Osamu Sakurada, Yutaka Ohya
Corrosion Science   54 90-96   2012年1月
The effect of grain boundary cracks on the corrosion behaviour of non-doped aluminium titanate (AT) ceramics was evaluated in a molten Al alloy containing a slight amount of Mg. The corrosion of AT ceramics, in which the AT grains decomposed and s...
Takayuki Ban, Shogo Yoshikawa, Yutaka Ohya
Journal of Colloid and Interface Science   364 85-91   2011年12月
Transparent aqueous sols of colloidal tetramethylammonium niobate nanocrystals were synthesized by mixing tetramethylammonium hydroxide (TMAOH), niobium ethoxide, and water at TMAOH/Nb≥0.7 at room temperature. The X-ray diffraction patterns of the...
Satoshi Kusuda, Atsushi Iwasawa, Osamu Doi, Yutaka Ohya, Norio Yoshizaki
Journal of Poultry Science   48 119-124   2011年5月
The structure and mineral composition of eggshell cuticles were studied in 5 species of birds. The approximate thickness of the cuticle layer at the top of shell columns was about 1 μm in the Red Junglefowl (Gallus gallus), about 130 μm in the Whi...
Takayuki Ban, Yusuke Tanaka, Yutaka Ohya
Thin Solid Films   519 3468-3474   2011年3月
The fabrication of dense or porous titania films by the sol-gel method using anatase colloidal solutions was examined. When anatase colloidal solutions without surfactants were deposited on a substrate, the anatase films thus obtained had a relati...
Takayuki Ban, Yusuke Tanaka, Yutaka Ohya
Journal of Nanoparticle Research   13 273-281   2011年1月
Transparent colloidal aqueous solutions of anatase nanocrystals were hydrothermally synthesized from aqueous transparent sols with tetramethylammonium titanate colloids, the surfaces of which were modified with citric acid, by structural conversio...
A. Iwasawa, M. Uzawa, M. A. Rahman, Y. Ohya, N. Yoshizaki
Poultry Science   88 2670-2676   2009年12月
Two calcified structures, the eggshell and sperm-associated body (SB), are present in the eggs of the Japanese quail, Coturnix japonica. X-ray diffractometry showed that calcium carbonates take the form of calcite in the eggshell and aragonite in ...
Takayuki Ban, Naoya Nakashima, Tomohiko Nakatani, Yutaka Ohya
Journal of the American Ceramic Society   92 1230-1235   2009年6月
We hydrothermally synthesized anatase films on Ti substrates from transparent aqueous solutions of layered titanate colloids. The morphology and wetting properties of the films were examined. The films consisted of columnar aggregates grown on the...
Y. Okazaki, H. Ohashi, Y. Ohya, S. Yanase, S. Hashi
Journal of Optoelectronics and Advanced Materials   10 1089-1092   2008年5月
Magnetic properties related to nano-structure have been investigated for sol-gel grown Co-ferrite thin films on the substrates of glass and SiO 2(100). The magnetic properties depended on the annealing temperature and the coercivity of 7.7 kOe was...
Y. Okazaki, H. Ohashi, Y. Ohya, S. Yanase, S. Hashi
INTERMAG 2006 - IEEE International Magnetics Conference   217   2006年12月
N. Rani Panicker, V. Kumar, Y. Ohya, Y. Takahashi
Ferroelectrics   325 49-54   2005年12月
Chelating ligands are very effective for the preparation of homogeneous ceramic solid solutions. Lead zirconate titanate (PZT) nanocrystalline powder with a composition near morphotropic phase boundary was prepared by a co-precipitation method usi...
Takayuki Ban, Hideki Mitaku, Chiharu Suzuki, Takashi Kume, Yutaka Ohya, Yasutaka Takahashi
Journal of Porous Materials   12 255-263   2005年10月
Aqueous silicate solutions could be prepared from a silicon alkoxide using amines as a base. The synthesis of silicalite-1 conducted by hydrothermally treating the solutions after the addition of NPr n4Br (TPABr), was examined focusing on triethyl...
Yutaka Ohya, Takashi Kume, Takayuki Ban
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   44 1919-1922   2005年4月
A thin-film transistor consisting of a ZnO active layer and a ZrO 2 insulating layer was fabricated on a tin-doped indium oxide sputtered glass substrate as well as on a SiO2/Si wafer. The ZnO and ZrO2 layers were deposited by a sol-gel, dip-coati...
Yutaka Ohya, Tsukasa Niwa, Takayuki Ban, Yasutaka Takahashi
Journal of Sol-Gel Science and Technology   33 323-326   2005年3月
Heterostack films of p-type NiO and n-type TiO2 semiconductors were deposited by a method of chemical solution deposition on a glass substrate having a sputtered ITO (In2O3 doped with Sn) electrode. Transparent films with total thickness of about ...
Takayuki Ban, Hideki Mitaku, Chiharu Suzuki, Jun Matsuba, Yutaka Ohya, Yasutaka Takahashi
Journal of Crystal Growth   274 594-602   2005年2月
Silicalite-1 was synthesized by hydrothermally treating aqueous mixture suspensions of NPrn4Br (TPABr)-dispersed silica gel and different amines. Influence of the type of the amines on crystallization of silicalite-1 and the resultant crystal shap...
Yutaka Ohya, Takatomo Ogata, Takayuki Ban, Yasutaka Takahashi
Journal of the Ceramic Society of Japan   113 220-225   2005年1月
Zinc oxide thin films were fabricated via a sol-gel method using zinc acetate as a starting reagent. The precursors used were modified with ethanolamines and/or α-hydroxyketones, and their derivatives. Oriented films with the c-axis perpendicular ...
Tomokazu Ohya, Masamichi Ito, Keiko Yamada, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Sol-Gel Science and Technology   30 71-81   2004年5月
Aqueous titanate sols were prepared by reactions of titanium tetraisopropoxide (TIP) with α-hydroxycarboxylic acids in water. IR and Raman spectra, and elemental analyses of the precipitates obtained from the sols revealed that the carboxylates we...
Syukri Arief, Tomoaki Terazawa, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Materials Science and Engineering B: Solid-State Materials for Advanced Technology   100 132-135   2003年7月
A new approach to form patterned Ni films on the glass substrates has been proposed. The patterning is based on the photo-sensitivity of organically modified nickel gel films. The combination of acetol and monoethanolamine was found to show the ex...
Takayuri Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Sol-Gel Science and Technology   27 363-372   2003年7月
A clear alcoholic solution of titanium alkoxide with an addition of various alkanolamines is suitable for a sol-gel coating of titania films. The reaction of titanium isopropoxide, Ti(OPri)4 (TIP), with alkanolamines, such as triethanolamine (TEAH...
Takayuki Ban, Satoshi Kondoh, Tomokazu Ohya, Yutaka Ohya, Yasutaka Takahashi
Journal of Photochemistry and Photobiology A: Chemistry   156 219-225   2003年3月
Photocatalysis of a transparent titanate aqueous sol, which was prepared by mixing titanium isopropoxide and tetramethylammonium hydroxide or triethylamine, followed by diluting with water, was examined via the photo-fading of rhodamine B. An irra...
Syukri, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Materials Chemistry and Physics   78 645-649   2003年2月
A new process for the synthesis of metallic Ni, and Ni-Co alloy nanoparticles at a relatively low temperature is reported. The process consists of heating a precursor containing a methyl hydrazine complex of the respective metal ions in nitrogen a...
Tomokazu Ohya, Aki Nakayama, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Bulletin of the Chemical Society of Japan   76 429-435   2003年2月
UV irradiation on films prepared by a spin-coating method using aqueous titanate sols was investigated. The transparent sols used in this study were prepared by a reaction of titanium tetraisopropoxide (TIP) with tetramethylammonium hydroxide (TMA...
Tomokazu Ohya, Aki Nakayama, Yukio Shibata, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Sol-Gel Science and Technology   26 799-802   2003年1月
Dip- or spin-coating and characterization of titania (TiO 2 ) thin films from various aqueous solutions have been studied. The aqueous titanium solutions mainly used in this study were halogen- and chelate-free solutions with the concentrations up...
Syukri, Yusuke Ito, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Thin Solid Films   422 48-54   2002年12月
A modified version of the dip-coating technique, which uses 2-hydroxylhydrazine as a mild reducing agent, was applied in the fabrication of nickel thin films. Nickel acetate was used as metal source. Metallic nickel thin films were formed on glass...
Y. Ohya, T. Tamakoshi, T. Ban, Y. Takahashi
IEEE International Symposium on Applications of Ferroelectrics   467-470   2002年12月
Lead zirconate titanate (PZT) films were fabricated by a sol-gel method. The sol was prepared using Ti(OiPr)4, Pb(OAc)2·3H2O, Zr(OnBu)4, and diethanolamine (DBA) with a molar ratio of DEA/(Ti+Zr)=1. They were dissolved in isopropanol solvent. The ...
Syukri, T. Ban, Y. Ohya, Y. Takahashi
Journal of Materials Science Letters   21 1449-1451   2002年9月
A new approach to deposit copper thin films by dip-coating technique is presented. Uniform, well-densified and crack free copper thin films can be easily prepared from copper acetate precursor by using DEA as additive. Films grown at low temperatu...
Tomokazu Ohya, Miki Kabata, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Sol-Gel Science and Technology   25 43-50   2002年8月
The stabilization effects of α-hydroxyketones such as acetoin, acetol, and their imine derivatives of monoethanolamine (MEA) on the 2-propanol solution of metal alkoxides (Al, Ti, Zr, Nb and Ta) were investigated. The hydroxyketones, especially ac...
Tomokazu Ohya, Aki Nakayama, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Chemistry of Materials   14 3082-3089   2002年7月
Transparent, aqueous colloidal titanate solutions were prepared by a reaction between titanium alkoxide and alkylamines or tetraalkylammonium hydroxides. The chemical species containing titanium atoms were found to be a colloidal particle (15 nm) ...
Masaki Matsui, Yasuhiro Yoshimura, Tomokazu Ohya, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Bulletin of the Chemical Society of Japan   75 589-593   2002年3月
Zirconia gel films were prepared by a dipping method from a 2-propanol solution of zirconium tetra-n-butoxide (ZTNB) stabilized with diethanolamine (DEA) and acetoin. In the case of the ZTNB-DEA system, crystallization to zirconia occurred at 480 ...
Yutaka Ohya, Kazuhiro Horinouchi, Takayuki Ban, Yasutaka Takahashi, Norimitsu Murayama
Journal of the Ceramic Society of Japan   110 950-953   2002年1月
Al2O3/SnO2 multilayered films were fabricated via the sol-gel method using iPrOH solutions of Sn(iOPr)4 and Al(iOPr)3, which were prepared by adding triethanolamine. Coating was accomplished by a dip-coating procedure. Doping with Pt and surface m...
Yutaka Ohya, Satoru Itoda, Takayuki Ban, Yasutaka Takahashi
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   41 270-274   2002年1月
Sol modified with diethanolamine was used for the preparation of thick lead zirconate titanate (PZT) films. The deposited films crystallized in the perovskite structure by heating above 600°C. Thick film with 3 μm single-coating thickness was obta...
Miaoliang Huang, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Chinese Journal of Catalysis   22 76   2001年12月
Uniform and crack-free TiO 2 thin films with highly-dispersed platinum were prepared from i-PrOH-TTIP-DEA-H 2 O system containing H 2 PtCl 6 ·6H 2 O as metal source by sol-gel method. The microstructure and morphology of the films were characteriz...
Radhouane Bel Hadj Tahar, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of the American Ceramic Society   84 85-91   2001年1月
Thin films of dicadmium stannate spinel (Cd2SnO4) were deposited on glass substrates using a dip-coating technique. The films were transparent to visible light (90%) and electrically conductive. X-ray diffractometry showed that annealed films cons...
Yutaka Ohya, Zenbe E. Nakagawa, Kenya Hamano, Hiroshi Kawamoto, Satoshi Kitaoka
Materials Research Society Symposium - Proceedings   658    2001年1月
A microstructural change during the formation reaction of aluminum titanate from a mixture of rutile and corundum powders has been studied. The characterization was carried out using a polarization microscope, a scanning electron microscope and a ...
Y. Ohya, T. Niwa, T. Ban, Y. Takahashi
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   40 297-298   2001年1月
A ZnO thin film was deposited on a Si wafer having an oxidized SiO2layer using a chemical solution deposition process and was applied to a bottom-gate type thin film transistor (TFT). The films prepared by combined heating at 600° and 900°C exhibi...
Yutaka Ohya, Syouko Ito, Takayuki Ban, Yasutaka Takahashi
Key Engineering Materials   113-116   2000年12月
Copper (II) oxide thin films doped with Li and Al were prepared by a liquid phase method on glass substrate. The used reagents were mainly Cu(OAc)2, Al(iOPr)3 and LiOAc. The films were crystallized as black CuO crystal by heating above 300°C. The ...
Takashi Sato, Yoshinari S.A. Wabe, Yutaka Ohya, Mikio Sugai, Zenbe E. Nakagawa
Journal of the Ceramic Society of Japan   108 345-349   2000年1月
Cracking of a cristobalite-containing mullite body at the middle stage of crystallization during cooling was investigated by acoustic emission (AE) and the crack formation was discussed. The specimen was composed of an outside layer of crystalline...
Yutaka Ohya, Tomokazu Ito, Masahiro Kaneko, Takayuki Ban, Yasutaka Takahashi
Journal of the Ceramic Society of Japan   108 803-806   2000年1月
Solid solubility of SnO2in In2O3was investigated in the interval between 1000 to 1500°C. Samples were prepared using In2O3powder and tin alkoxide solution, as well as mixed solution of indium and tin alkoxides. X-ray diffraction analysis revealed ...
Yasutaka Takahashi, Ayako Ohsugi, Takeshi Arafuka, Tomokazu Ohya, Takayuki Ban, Yutaka Ohya
Journal of Sol-Gel Science and Technology   17 227-238   2000年1月
The effects of several hydroxyketones such as acetol, acetoin, γ-ketobutanol themselves and their combinations with monoethanolamine (MEA) or ethylenediamine (ED) on the stabilization of titanium tetraisopropoxide (TTIP) in isopropanol solution ar...
Takayuki Ban, Satoshi Kondoh, Yutaka Ohya, Yasutaka Takahashi
Physical Chemistry Chemical Physics   1 5745-5752   1999年12月
Photocatalytic properties of TS-1 zeolite were examined via a degradation reaction of monoethanolamine (MEA). When TS-1 was mixed with MEA aqueous solution, the MEA molecules were bonded to the Ti atoms in TS-1 since the latter were coordinatively...
Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of the American Ceramic Society   82 22-26   1999年12月
MgO-SiO 2 precursor gels were prepared by mixing tetramethoxysilane (TMOS) or tetraethoxysilane (TEOS), H 2O, and magnesium metal in methanol. Forsterite (Mg 2SiO 4) and orthoenstatite (MgSiO 3) were crystallized from their precursors at temperatu...
Takayuki Ban, Takafumi Ohwaki, Yutaka Ohya, Yasutaka Takahashi
Angewandte Chemie - International Edition   38 3324-3326   1999年11月
Growth of oriented seed crystals on a substrate led to a completely oriented and continuous membrane of LTA-type zeolite. The seed crystals of cubic morphology were dip-coated onto a tilted substrate (see schematic diagram) with the zeolite channe...
Yutaka Ohya, Jyunji Mishina, Tatsuya Matsuda, Takayuki Ban, Yasutaka Takahashi
Journal of the American Ceramic Society   82 2601-2606   1999年10月
Sol-gel TiO2thin films were fabricated at 650 °C using sol that was derived from the Ti(OiPr)4-diethanolamine-H2O-iPrOH system. Repeated deposition and rapid heating resulted in columnar grains, whereas slow heating - at a rate of 10°-20 °C/min - ...
Takayuki Ban, Takafumi Ohwaki, Yutaka Ohya, Yasutaka Takahashi
International Journal of Inorganic Materials   1 243-251   1999年9月
Influences of the addition of alkanolamines and alkylammonium hydroxide into the starting suspensions on the shape and the size of zeolite-A (NaAlSiO4·xH2O) particles were investigated by optical microscopy and liquid-state NMR measurements. Zeoli...
Yutaka Ohya, Yasutaka Takahashi, Minori Murata, Zenbe E. Nakagawa, Kenya Hamano
Journal of the American Ceramic Society   82 445-448   1999年2月
Quartz grains in porcelain bodies cause cracking. Under the present conditions, acoustic emission (AE) has shown that the cracking occurred in a temperature range of 900°-800°C during cooling from firing at a temperature of 1200°C. This cracking c...
Takashi Sato, Yoshinari Sawabe, Yutaka Ohya, Mikio Sugai, Zenbe E. Nakagawa
Journal of the Ceramic Society of Japan   107 838-843   1999年1月
Crystallization of glass phase to cristobalite was investigated in mullite-glass ceramics with excess SiO2 compositions (5.3-16.4 mass%), namely, higher than stoichiometric mullite. Starting powders were prepared by alkoxide hydrolysis method. Com...
Yutaka Ohya
Journal of Materials Synthesis and Processing   6 237-241   1998年12月
We describe here the results of fabrication of NiO thin films and their gas sensing properties. The NiO thin film was prepared by a liquid phase method using Ni(OAc)2·4H2O as a starting reagent. After dissolving into iPrOH with the addition of die...
Viswanathan Kumar, Yutaka Ohya, Yasutaka Takahashi
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   37 4477-4481   1998年8月
Ferroelectric thin films of PbTiO3 and Pb(Zr0.5Ti0.5)O3 were deposited using a sol-gel process from a highly stable precursor solution derived from a unique and simple system consisting of basic lead acetate, titanium and zirconium butoxides. This...
Yutaka Ohya, Hiroki Koyama, Takayuki Ban, Yasutaka Takahashi
Materials Science and Engineering B   B54 55-59   1998年6月
A p-type semiconductor, NiO, and n-type semiconductors, ZnO and TiO2, were used for making a p-n contact. These oxide semiconductor films were prepared by a liquid phase method using zinc and nickel acetates, titanium tetraisopropoixde and diethan...
Radhouane Bel Hadj Tahar, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of the American Ceramic Society   81 321-327   1998年2月
Metal-doped indium oxide thin films that have been prepared on glass substrates via a dip-coating method from an aqueous sol show a rapid decrease in electrical conductivity at room temperature (by approximately three orders of magnitude) when bro...
Radhouane Bel Hadj Tahar, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Applied Physics   83 2631-2645   1998年1月
Tin doped indium oxide (ITO) films are highly transparent in the visible region, exhibiting high reflectance in the infrared region, and having nearly metallic conductivity. Owing to this unusual combination of electrical and optical properties, t...
Radhouane Bel Hadj Tahar, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Applied Physics   83 2139-2141   1998年1月
Hall effect measurements have been performed on tin-doped indium oxide thin films prepared by the dipping method. The apparent variation of electron mobility with carrier concentration in these films has been quantitatively interpreted in terms of...
Koichiro Hayashi, Masahiro Hosokawa, Tsukasa Yoshida, Yutaka Ohya, Yasutaka Takahashi, Osamu Yamamoto, Hideki Minoura
Materials Science and Engineering B   49 239-242   1997年10月
A composite film composed of strontium doped lanthanum manganite (SLM), La0.9Sr0.1MnO3 and yttria stabilized zirconia (YSZ), (ZrO2)0.96(Y2O3)0.04, has been successfully prepared by metal-organic decomposition (MOD) at temperatures of 800-1000°C us...
Radhouane Bel Hadj Tahar, Takayuki Ban, Yutaka Ohya, Yasutaka Takahashi
Journal of Applied Physics   82 865-870   1997年7月
This article reports the fabrication of thin films of In2O3 from an aqueous sol and an organic solution. The stability of the aqueous sol with respect to the concentration of indium and pH are discussed. Thermo-gravimetric and differential thermal...
Yasutaka Takahashi, Shinya Okada, Radhouane Bel Hadj Tahar, Ken Nakano, Takayuki Ban, Yutaka Ohya
Journal of Non-Crystalline Solids   218 129-134   1997年1月
Uniform, transparent indium tin oxide (ITO) films were prepared by dip-coating process using an organic sol composed of indium acetate-diethanolamine-tin octylate-n-propanol mixture and the relationship between their electrical properties, film mo...
Yutaka Ohya, Masayoshi Ueda, Yasutaka Takahashi
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   35 4738-4742   1996年12月
A p-type oxide thin film, NiO, and an n-type thin film, ZnO, were fabricated by a liquid phase method using metal acetates as starting reagents. Both the films were transparent, uniform in thickness and porous. By repetition of coating of the n- a...
Viswanathan Kumar, Ramadoss Marimuthu, Shashikumar G. Patil, Yutaka Ohya, Yasutaka Takahashi
Journal of the American Ceramic Society   79 2775-2778   1996年10月
This paper reports a new system for the preparation of lead titanate powders by the sol-gel method. In this system basic lead acetate, (CH3COO)2Pb·Pb(OH)2, is used as the lead precursor instead of the widely used Pb(OOCCH3)2·3H2O and titanium tetr...
Yutaka Ohya, Hisao Saiki, Toshimasa Tanaka, Yasutaka Takahashi
Journal of the American Ceramic Society   79 825-830   1996年1月
Titanium dioxide and zinc oxide films were fabricated by spin-on and dip-coating methods. Both types of films exhibited columnar grains when the single coating was thin, ∼10 nm. The columnar TiO2 films were dense, as confirmed by their density val...
Y. Ohya, Z. Nakagawa
Journal of Materials Science   31 1555-1559   1996年1月
Grain-boundary crack onset and crack volume at room temperature resulting from thermal expansion anisotropy in aluminium titanate ceramics were studied by dilatometry. Investigation revealed that specimens with low bulk density have a smaller temp...
Y. Ohya, Y. Takahashi, Z. Nakagawa
Journal of Materials Science   31 1361-1365   1996年1月
The relation between thermal expansion coefficient and grain-boundary crack volume of aluminium titanate ceramics has been calculated based on the thermal expansion data of a single crystal. The calculation began with the drawing of a frequency di...
M. Kanamori, K. Suzuki, T. Yamada, Y. Ohya, Y. Takahashi
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   103 1258-1263   1995年12月
The long-term variations in the resistivity of SnO 2 films in air containing water vapor or reducing gas (denoted as wet air or test gas, respectively) were investigated quantitatively. Analyses of electronic properties, weight increase, film str...
M. Kanamori, K. Suzuki, T. Yamada, Y. Ohya, Y. Takahashi
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   103 1258-1263   1995年12月
The long-term variations in the resistivity of SnO2 films in air containing water vapor or reducing gas (denoted as wet air or test gas, respectively) were investigated quantitatively. Analyses of electronic properties, weight increase, film struc...
Masaaki Kanamori, Yoshiki Okamoto, Yutaka Ohya, Yasutaka Takahashi
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   103 113-116   1995年2月
Sensitivity of SnO2 thin-film gas sensors which were fabricated by the dip-coating method was found to exponentially increase with the decrease in film thickness. This could be ascribed to the substantial increase in the resistivity of the films i...
Duan Fen Qian, Yutaka Ohya, Zenbe e. Nakagawa, Kenya Hamano
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   103 1022-1026   1995年1月
Aluminum titanate ceramics were fabricated from compacts of aggregated mixture of alumina and titania. The mixture was prepared by precipitation of aluminum hydroxide from aqueous solution of aluminum nitrate, containing rutile powder. After calci...
Masaaki Kanamori, Hideki Ohtake, Yutaka Ohya, Yasutaka Takahashi
Journal of the Ceramic Society of Japan. International ed.   103 58-62   1995年1月
The effects of IV group element (Zr, Ti, Ge, Si) oxides addition on the grain growth of SnO2 thin films at elevated temperature (600°-1000°C) were investigated. It was found that addition of 10mol% GeO2 controlled the grain growth of SnO2 effectiv...
Yasutaka Takahashi, Masaaki Kanamori, Masaaki Kanamori, Akiko Kondoh, Hideki Minoutia, Yutaka Ohya
Japanese Journal of Applied Physics   33 6611-6615   1994年12月
Electrical and photoelectrical properties of nondoped and doped zinc oxide films coated on glass plates by the dip-coating method are investigated at room temperature in various ambient atmospheres. The dark conductivity of the nondoped films expo...
Masaaki Kanamori, Kiyohiro Suzuki, Yutaka Ohya, Yasutaka Takahashi
Japanese Journal of Applied Physics   33 668-663   1994年1月
Electrical properties and the number of unpaired electrons localized in oxygen vacancies of SnO 2 thin films were quantitatively analyzed using the van der Pauw method and ESR spectra, respectively, in order to clarify the source of carrier electr...
Yasutaka Takahashi, Masaaki Kanamori, Akiko Kondoh, Hideki Minoura, Yutaka Ohya
Japanese Journal of Applied Physics   33 661-665   1994年1月
Electrical and photoelectrical properties of nondoped and doped zinc oxide films coated on glass plates by the dip-coating method are investigated at room temperature in various ambient atmospheres. The dark conductivity of the nondoped films expo...
Yutaka Ohya, Takashi Ito, Yasutaka Takahashi
Japanese Journal of Applied Physics   33 5272-5276   1994年1月
Multilayered thin films of ferroelectric perovskites were fabricated by the sol-gel method. The investigated films were PbTiO3, PbZrO3, BaTiO3and SrTiO3, and their multilayered films. The films were prepared by dipping and heating in air at 600-70...
Y. Ohya, H. Saiki, Y. Takahashi
Journal of Materials Science   29 4099-4103   1994年1月
Very uniform and transparent zinc oxide thin films doped with aluminium and indium were fabricated by the dip-coating technique using solutions prepared by the ethanolamine method. As starting materials, zinc acetate and zinc n-propoxide were used...
Y. Ohya, M. J. Hoffmann, G. Petzow
Journal of Materials Science Letters   12 149-152   1993年2月
Yutaka Ohya, Toshimasa Tanaka, Yasutaka Takahashi
Japanese Journal of Applied Physics   32 4163-4167   1993年1月
Lead zirconate titanate (PZT) films with the composition of Pb(ZrxTi1-x)O3 (x: 0.2-0.8) were fabricated by dip-coating methods. The sol was prepared using ethanolamine as a sol stabilizer. The substrate was In2O3:Sn (ITO) sputtered glass (Corning ...
Yutaka Ohya, Michael J. Hoffmann, Günter Petzow
Journal of the American Ceramic Society   75 2479-2483   1992年1月
TiB 2 ‐particle reinforcement is one of the most successful methods for improving the fracture toughness of SiC ceramics. 1–3 Commercially available TiB 2 powders, however, have a large particle size and/or are highly reactive so that they are not...
Yutaka Ohya, Yutaka Ohya, Michael J. Hoffmann, Michael J. Hoffmann, Günter Petzow, Günter Petzow
Journal of the American Ceramic Society   75 2479-2483   1992年1月
TiB2-particle reinforcement is one of the most successful methods for improving the fracture toughness of SIC ceramics.1-3Commercially available TiB2powders, however, have a large particle size and/or are highly reactive so that they are not favor...
Tae Hyun Sung, Zenbe e. Nakagawa, Shigeru Arima, Yasuro Ikuma, Yutaka Ohya, Nobuo Ishizawa, Masahiro Yoshimura
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   97 1005-1008   1989年12月
The crystallization mechanism of an amorphous Bi2Sr2Ca2Cu3Oy phase was studied from the relations between crystallization and volume changes by dilatometry. Further, the effect of addition of CdO on the crystallization mechanism and superconductiv...
Tae Hyun Sung, Katsunori Takahashi, Yutaka Ohya, Yoshiki Takagi, Zenbe e. Nakagawa, Tetsuro Nakamura, Yasutoshi Saito
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   97 1039-1043   1989年12月
BYCO was synthesized from a mixture using Ba(NO2)2as a Ba source. The thermal analysis, phase changes and thermal shrinkage during heating of the mixture were investigated, and compared with those of a mixture using BaCO3. For small specimen sizes...
Mitsuo Shimbo, Zenbe e. Nakagawa, Yutaka Ohya, Kenya Hamano
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   97 857-863   1989年12月
Crystal growth of MgO doped with AlF3 and MgF2 has been studied by BET method and X-ray powder diffractometry. The fluorides were hydrolyzed by the water contained in MgO powder above 500°C and generated HF gas, which was adsorbed on the surface o...
Mitsuo Shimbo, Zenbe e. Kakagawa, Yutaka Ohya, Kenya Hamano
Nippon Seramikkusu Kyokai Gakujutsu Ronbunshi/Journal of the Ceramic Society of Japan   97 640-644   1989年12月
The effect of HF on the decomposition of brucite was studied by differential thermal analysis (DTA) and X-ray powder diffraction (XRD). HF was added to brucite by addition of fluoride or by treatment with hydrofluoric acid solutions. In fluoride a...
Yutaka Ohya, Zenbe‐e ‐e Nakagawa, Kenya Hamano
Journal of the American Ceramic Society   71    1988年1月
Bending strength and Young's modulus of aluminum titanate ceramics at room temperature to 1300°C were examined. Bending strength increased from 62 MPa at room temperature to 280 MPa at 1100°C. Young's modulus also increased, to 99 GPa at 1100°C. T...
Masahiro Yoshimura, Tae Hyun Sung, Shigeru Arima, Yutaka Ohya, Sakae Tsutai, Nobuo Ishizawa, Hideomi Koinuma, Zenbe e. Nakagawa
Journal of the Japan Society of Powder and Powder Metallurgy   35 974-978   1988年1月
Substitution of Cd for Ca in Bi2Sr2Ca2Cu3Oy has been studied by using rapid quenching after rapid melting technique. Amorphous materials containing a small amount of CaO phase were obtained as films with about 20 μm thickness. Annealing of the fil...
Yutaka Ohya, Zenbe‐e ‐e Nakagawa, Kenya Hamano
Journal of the American Ceramic Society   70    1987年1月
The relation between grain size and grain‐boundary microcracking during cooling in aluminum titanate ceramics was studied. Microcracking temperature was determined by the measurement of thermal contraction and expansion, which was accompanied by a...
Kenya Hamano, Zenbe e. Nakagawa, Takao Kanai, Yutaka Ohya, Minori Hasegawa
Report of the Research Laboratory of Engineering Materials Tokyo   93-102   1986年1月
The replacement of chloride for hydroxide mixture having the stoichiometric Mg-Al spinel composition affected the formation ratio of spinel, and properties and sinterability of calcined powder. The addition of chlorides decreased the decomposition...
Yutaka Ohya, Kenya Hamano, Zenbe e. Nakagawa
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   94 665-670   1986年1月
Effects of four additives on the microstructure and bending strength of aluminum titanate ceramics were investigated. The grain size of aluminum titanate in fired specimens increased with increasing firing temperature, but decreased with the addit...
Kenya Hamano, Chii Shyang Hwang, Zenbe e. Nakagawa, Yutaka Ohya
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   94 505-511   1986年1月
The effects of TiO//2 addition on the sintering process and microstructure of alumnina ceramics were studied. In air, the solid solubility of TiO//2 in alpha -Al//2O//3 was to small to be determined by the lattice parameter shift of alpha -Al//2O/...
Kenya Hamano, Yutaka Ohya, Zenbe e. Nakagawa
International Journal of High Technology Ceramics   1 129-137   1985年1月
The crack propagation behaviour of aluminium titanate ceramics containing grain boundary microcracks has been investigated. The mean grain size of the aluminium titanate was 0·6 μm at 1300°C and 2·3 μm at 1500°C. Specimens sintered at 1450 and 150...
Duan Fen Qian, Yutaka Ohya, Kenya Hamano, Zenbe e. Nakagawa
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   93 315-321   1985年1月
Effects of excess Al//2O//3 on microstructure and mechanical and thermal properties of aluminum titanate ceramics prepared from aqueous solutions of aluminum nitrate and rutile were investigated. All specimens with the Al//2O//3/TiO//2 molar ratio...
Kenya Hamano, Zenbe e. Nakagawa, Shoichiro Enmei, Yutaka Ohya, Minori Hasegawa
Report of the Research Laboratory of Engineering Materials Tokyo   65-77   1985年1月
Porous spinel ceramics with variations of the composition ratio of MgO/Al//2O//3 and substitution of 5 and 10 mol% Cr//2O//3 for Al//2O//3 were prepared by calcination of freeze-dried sulfates at 1300 degree C for 1 h and firing at 1350 degree C f...
Yutaka Ohya, Kenya Hamano, Zenbe e. Nakagawa
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   92 261-267   1984年12月
The effect of Fe//2O//3 addition of the formation of A//2TiO//5, microstructure and bending strength of Al//2TiO//4 ceramics were investigated. Various amounts of Fe//2O//3 from 0. 01 to 5 wt% were added into equimolar mixture of corundum and ruti...
Yutaka Ohya, Kenya Hamano, Zenbe e. Nakagawa
Yogyo Kyokai Shi/Journal of the Ceramic Society of Japan   91 289-297   1983年6月
Relations among microstructure, bending strength and thermal expansion behavior of the aluminum titanate ceramic were investigated. The ceramics were prepared from three kinds of synthesized powders having several grain sizes and various amounts o...

書籍等出版物

 
Handbook of Nanoceramics and Their Based Nanodevices
大矢 豊 (担当:共著, 範囲:Vol. 4, Chapter 1, p.1-49, “Sol-Gel Oxide Thin Films for Electronic Applications and Their Microstructure”)
American Scientific Publishers   2009年   
機器分析ナビ
大矢 豊 (担当:共著, 範囲:2.3、2.4、3.6節)
化学同人   2006年   
Handbook of Sol-Gel Science and Technology
大矢 豊 (担当:共著, 範囲:Volume I, Sol-gel Processing, Chapter 5, “Aqueous Precursors”, pp.105-126)
Kluwer Academic Publishers   2005年   
透明導電膜の新展開Ⅱ
大矢 豊 (担当:共著, 範囲:第10章「ディップコート法による高性能ITO膜の作製」, p. 122-133)
シーエムシー出版   2002年   
セラミックス実験技術講座
大矢 豊 (担当:共著, 範囲:1.2「秤量」)
日本セラミックス協会   1999年   

講演・口頭発表等

 
小嶋 智, 新村 昌治, 柏倉 伸男, 大矢 豊, 吉田 敏
工学・工業教育研究講演会講演論文集   2009年8月6日   
Aluminum titanate refractories for molten aluminum [招待有り]
12th International Ceramics Congress   2010年6月   12th International Ceramics Congress
ELECTRICAL AND OPTICAL PROPERTIES OF SOL-GEL ZNO THIN FILMS [招待有り]
Yutaka OHYA
International Workshop on Advanced Ceramics   2006年10月   International Workshop on Advanced Ceramics
藤井創太, 大矢豊, 伴隆幸
日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM)   2015年9月1日   
近藤靖彦, 伴隆幸, 大矢豊
日本セラミックス協会秋季シンポジウム講演予稿集(CD-ROM)   2015年9月1日   

Works

 
チタン酸アルミニウムセラミックス部材を使用したアルミニウム合金鋳造システムの開発
2000年
ガスセンサ材料の微構造制御に関する研究
2001年

競争的資金等の研究課題

 
CMCへの磁性体担持技術の開発
(財)ファインセラミックスセンター: 地域イノベーション創出研究開発事業
研究期間: 2009年11月 - 2010年3月    代表者: 大矢 豊(工学部)
CMCへの磁性体担持技術の開発
ファインセラミックスセンター: 地域イノベーション創出研究開発事業
研究期間: 2010年4月 - 2011年3月    代表者: 大矢 豊(工学部)
CO2分離回収・排出削減プロセスのための配向性ゼオライト膜の開発
地球環境産業技術研究機構(RITE): 
研究期間: 2004年 - 2005年    代表者: 大矢 豊
ガスセンサ材料の微構造制御に関する研究
産業技術総合研究所: 共同研究
研究期間: 2001年 - 2003年    代表者: 大矢 豊
ガスセンサ材料の微構造制御に関する研究
産業技術総合研究所: 民間機関等との共同研究(区分B、直接経費のみ)
研究期間: 2001年4月 - 2003年3月    代表者: 大矢 豊(工学部)

特許

 
田中 誠, 北岡 諭, 川島 直樹, 柏木 一美, 大矢 豊, 櫻田 修
金森 正晃, 高橋 康隆, 大矢 豊
大矢 豊, 伴 隆幸, 櫻田 修, 北岡 諭, 田中 誠
大矢 豊, 伴 隆幸, 伊西 拓弥
松平 恒昭, 北岡 諭, 和田 匡史, 田中 誠, 大矢 豊, 櫻田 修
松平 恒昭, 北岡 諭, 和田 匡史, 田中 誠, 香川 豊, 櫻田 修, 吉田 道之, 大矢 豊
櫻田 修, 今枝 佑太, 吉田 道之, 大矢 豊
大矢 豊, 伴 隆幸, 櫻田 修, 吉田 道之, 北岡 諭, 田中 誠, 松岡 学, 石原 武典
田中 誠, 北岡 諭, 川島 直樹, 柏木 一美, 大矢 豊, 櫻田 修
小川 芳孝, 高橋 康隆, 大矢 豊, 伴 隆幸
小川 芳孝, 高橋 康隆, 大矢 豊, 伴 隆幸
金森 正晃, 高橋 康隆, 大矢 豊
大矢 豊, ギュンター・ペッツォー, ミヒャエル・ジェイ・ホフマン
高橋 康隆, 大矢 豊, 斎木 久雄
5540225 : 溶融金属接触材及びコーティング膜
大矢 豊,櫻田 修,田中 誠,北岡 諭,川島直樹,柏木一美
5554934 : スピネル前駆体ゾル,スピネル前駆体ゾルの製造方法,及びスピネルがコーティングされたチタン酸アルミニウム焼結体の製造方法
大矢 豊,伴 隆幸,北岡 諭
5780588 : α-酸化アルミニウム前駆体ゾル、その製造方法、及びイットリウム・アルミニウム・ガーネットの製造方法
櫻田修,大山絋史,吉田道之,大矢豊,田中誠,北岡論
5908800 : ムライト前駆体ゾル及びムライトの製造方法
櫻田修,吉田道之,大矢豊,向井勇人

社会貢献活動

 
岐阜県研究開発財団プロジェクト創出研究会座長
【】  2005年4月1日
日本ゾルゲル学会第3回討論会総合講演講師
【】  2005年8月5日
先端科学ゆめ講座(中学校)講師
【】  2005年8月10日
日韓国際セラミックスセミナー実行委員
【】  2005年11月24日 - 2005年11月26日
日本化学会東海支部岐阜地区講演会
【】  2005年11月30日