Faculty Database - Watanabe Tomoaki

Books and Papers

Academic Qualifications

Internal Committee Positions

Committees and Associations

Email Addresses

Current Specialized Field

（Last updated : 2023-06-11 08:39:06）

Watanabe Tomoaki
Department Undergraduate School , School of Science and Technology

Position Professor

■ Books and Papers

1.	2021	Article	Photocatalytic solar hydrogen production from water on a 100m2 scale Nature (Collaboration)
2.	2020	Article	Development of nitrogen-doped hydroxyapatite ceramics JOURNAL OF ASIAN CERAMIC SOCIETIES 8(1),pp.130-137 (Collaboration)
3.	2020	Article	Evanescent-Wave Fiber Optic Sensing of the Anionic Dye Uranine Based on Ion Association Extraction Sensors 20,pp.2796 (Collaboration)
4.	2020	Article	U-Shaped Polymer Cladding and Hetero-Core Fiber Optic Sensors for Monitoring Scale Formation in Geothermal Brine ANALYTICAL LETTERS pp.2160-2169 (Collaboration)
5.	2019/12	Article	Effects of the addition of surfactants on the direct fabrication of a CuFeO2/Fe photocathode by hydrothermal method Journal of the Ceramic Society of Japan 127(12),pp.893-898 (Collaboration)
6.	2019	Article	Oxysulfide photocatalyst for visible-light-driven overall water splitting Nature Materials 18,pp.827-832 (Collaboration)
7.	2017	Article	Direct Fabrication of a CuFeO2/Fe Photocathode for Solar Hydrogen Production by Hydrothermal Method Chem. Lett. 46,pp.814-816 (Collaboration)
8.	2017	Article	Low-temperature Synthesis of BaTaO2N via the Flux Method Using NaNH2 46(7),pp.987-989 (Collaboration)
9.	2017	Article	Molten salt flux synthesis of La5Ti2CuS5O7 towards elongated single crystallites 56,pp.055503 (Collaboration)
10.	2016	Article	Formation of bioactive N-doped TiO2on Ti with visible light-inducedantibacterial activity using NaOH, hot water, and subsequentammonia atmospheric heat treatment Colloids and Surfaces B: Biointerfaces 145,pp.285-290 (Collaboration)
11.	2016	Article	Low-temperature synthesis of CaAlSiN3:Ce3+ using the ammonothermal method Journal of the Ceramic Society of Japan 124(1),pp.66-69 (Collaboration)
12.	2015	Article	Nitrogen-doped ZnO Rods Synthesized from an Ammine-Hydroxo Zinc Complex Chem Lett. 44(5),pp.651-653 (Collaboration)
13.	2015	Article	Synthesis of a new scheelite-type Eu3t-doped Gd2W2O9 red light emitting phosphor by the polymerized complex method 48,pp.251-255 (Collaboration)
14.	2014	Article	Direct Fabrication of LaTiO2N Photoanode for Visible-light-driven Water Splitting 43(9),pp.1441-1443 (Collaboration)
15.	2014	Article	Low temperature ammonothermal synthesis of europium-doped SrAlSiN3: effect of mineralizers Journal of the Ceramic Society of Japan 122(1),pp.17-21 (Collaboration)
16.	2014	Article	Morphological change and enhanced photocatalytic activity of tantalum nitride (Ta3N5) by ammonothermal treatment with mineralizer Journal of the Ceramic Society of Japan 122(2),pp.156-160 (Collaboration)
17.	2014	Article	Photocatalytic properties of lanthanide tungstates Ln2W2O9 (Ln?La, Pr,Nd, Sm, and Gd) Journal of Physics and Chemistry of Solids 75,pp.486-490 (Collaboration)
18.	2013/02	Article	Effects of Surface Roughness and Chemical Species on Hydrophilicity of Anodized Film on Ti-6Al-4V Formed at a Low Current Density Advanced Materials Research 664,pp.774 (Collaboration)
19.	2012	Article	Defect controlled room temperature ferromagnetism in Co-doped barium titanate nanocrystals Nanotechnology 23,pp.025702 (Collaboration)
20.	2012	Article	Improvement of photocatalytic activity of tantalum nitride by ammonothermal treatment at highpressure Journal of Solid State Chemistry (Collaboration)
21.	2012	Article	Low temperature ammonothermal synthesis of europium-doped SrAlSiN3 for a nitride red phosphor Journal of the Ceramic Society of Japan 120(11),pp.500 (Collaboration)
22.	2012	Article	Low-Temperature Synthesis of -BiTa Photocatalyst by the Flux Method ISRN Materials Science pp.719087 (Collaboration)
23.	2012	Article	Synthesis of BiNbO4 by the Flux Method ISRN Materials Science pp.170362 (Collaboration)
24.	2011	Article	Crystallographic characterization of the crossed lamellar structure in the bivalveMeretrix lamarckii using electron beam techniques J. of Structural Biology 176,pp.91-96 (Collaboration)
25.	2011	Article	Direct Fabrication of La2Ti2O7 Films on Titanium Metal Substrate by Hydrothermal Reaction Trans. Mater. Res. Soc. Japan 36(3),pp.413-416 (Collaboration)
26.	2011	Article	Low-temperature Ammonothermal Synthesis of LaTaON2 Chem. Lett. 40,pp.1101-1102 (Collaboration)
27.	2010	Article	Crystalline arrangement and nanostructure of aragonitic crossed lamellar layers of the Meretrix lusoria shell Zoology 113(2),pp.125-130 (Collaboration)
28.	2010	Article	Fabrication of a Nacre-Like Aragonite/PAA Multilayer Film on a Nacre Substrate Crystal Growth & Design 10(12),pp.5085-5091 (Collaboration)
29.	2010	Article	Fabrication of BaTiO3 Thin Films and Microdot Patterns by Halide-Free Nonaqueous Solution Route J. American Ceramic Soc. 93(2),pp.381-386 (Collaboration)
30.	2010	Article	Influence of the Host Phase on the Vibrational Spectra of Europium-Doped Zirconia Prepared by Hydrothermal Processing J. Am. Ceram. Soc. pp.1-7 (Collaboration)
31.	2010	Article	Synthesis of Amphipathic YVO4:Eu3+ Nanophosphors by Oleate-Modified Nucleation/Hydrothermal-Growth Process J. Phys. Chem. C 114,pp.3763-3769 (Collaboration)
32.	2009/04	Article	Fabrication of transparent ceria films by spray deposition without post firing J Electroceram 22,pp.33-39 (Collaboration)
33.	2009/02	Article	Synthesis of Eu-Doped CaAlSiN3 from Ammonometallates: Effects of Sodium Content and Pressure J. Am. Ceram. Soc. 92(2),pp.344-349 (Collaboration)
34.	2009	Article	Bioactive titanate nanomesh layer on the Ti-based bulk metallic glass by hydrothermal–electrochemical technique Acta Biomaterialia 5,pp.1367–1373 (Collaboration)
35.	2009	Article	Direct patterning of dense cerium oxide thin film by developed ink-jet deposition method at moderate temperatures Thin Solid Films 517 (Collaboration)
36.	2009	Article	High-Pressure Synthesis of Tantalum Nitride Having Orthorhombic U2S3 Structure Adv. Funct. Mater. 19,pp.1-7 (Collaboration)
37.	2009	Article	Hydrothermal Growth of Fatty Acid Stabilized Iron Oxide Nanocrystals J. Phys. Chem. C 113 (Collaboration)
38.	2009	Article	Hydrothermal Synthesis of Monodisperse Ce0.5Zr0.5O2 Metastable Solid Solution Nanocrystals Eur. J. Inorg. Chem. (Collaboration)
39.	2009	Article	Identifying Defects in Ceria-Based Nanocrystals by UV Resonance Raman Spectroscopy J. Phys. Chem. C 113 (Collaboration)
40.	2009	Article	Lattice energy calculation for quantitatively-modeled Perovskite distortion Solid State Ionics 180 (Collaboration)
41.	2008/07	Article	On-Site Fabrication of Crystalline Cerium Oxide Films and Patterns by Ink-Jet Deposition Method at Moderate Temperatures J. Am. Ceram. Soc. 91(7),pp.2083-2087 (Collaboration)
42.	2008/04	Article	Melt synthesis of oxide phosphors with K2NiF4 structures:CaLa1-xEuxGaO4 J. Mater. Sci. 43,pp.4749-4752 (Collaboration)
43.	2008/03	Article	Crystallization behavior of the eutectic glass in the C12A7–CaYAlO4 system Journal of the European Ceramic Society 28,pp.2399-2404 (Collaboration)
44.	2008/02	Article	Post-heat-treated spin-spray plated MnxZnyFe3−x−yO4 films exhibiting high resistivity and noise suppressing properties JOURNAL OF APPLIED PHYSICS 103,pp.07E502 (Collaboration)
45.	2008/01	Article	Effects of titanium surface modifications on bonding behavior of hydroxyapatite ceramics and titanium by hydrothermal hot-pressing Materials Science and Engineering C 28,pp.207-212 (Collaboration)
46.	2008/01	Article	Hydrothermal synthesis of hydroxyapatite whiskers with sharp faceted hexagonal morphology J. Mater. Sci. 43,pp.2171-2178 (Collaboration)
47.	2008/01	Article	NiZnCo ferrite films by spin spray technique: morphology and magnetic properties J. Mater. Sci. 43,pp.2372-2376 (Collaboration)
48.	2008/01	Article	Preparation of Ba1−xSrxWO4 and Ba1−xCaxWO4 films on tungsten plate by mechanically assisted solution reaction at room temperature Materials Chemistry and Physics 109,pp.217-223 (Collaboration)
49.	2008/01	Article	Rational Hydrothermal Route to Monodisperse Hf1-xEuxO2-x/2 Solid Solution Nanocrystals J. Phys. Chem. C 112,pp.4884-4891 (Collaboration)
50.	2008/01	Article	Spin-sprayed ferrite films with high resistivity and high-frequency magnetic loss for GHz conducted noise suppressors Materials Science and Engineering B 148,pp.136-140 (Collaboration)
51.	2008/01	Article	Synthesis of a Multinary Nitride, Eu-Doped CaAlSiN3, from Alloy at Low Temperatures Chem. Mater. 20,pp.2095-2105 (Collaboration)
52.	2007/06	Article	Low-Temperature Crystallization of Eu-Doped　Red-Emitting CaAlSiN3 from Alloy-Derived　Ammonometallates Chemstry of Materials 19,pp.3592-3594 (Collaboration)
53.	2007/03	Article	A Novel, Controlled, and High-Yield Solvothermal Drying Route to Nanosized Barium Titanate Powders J. Phys. Chem. C 111,pp.7306-7318 (Collaboration)
54.	2007/02	Article	Hydrothermal Synthesis of Fine NaTaO3 Powder as a Highly Efficient Photocatalyst for Overall Water Splitting Bull. Chem. Soc. Jpn. 80,pp.423-428 (Collaboration)
55.	2007/01	Article	A simple process for ferrite film preparation from one solution without using hazardous oxidizing agent J. Appl Phys. 101,pp.09M504 (Collaboration)
56.	2007/01	Article	Direct fabrication of CaWO4 patterns on cellulose based organic substrates by on-site ink-jet reaction at room temperature Materials Science and Engineering B 137,pp.299-303 (Collaboration)
57.	2006	Article	A facile high-yield solvothermal route to tin phosphide Sn4P3 J. Solid State Chem. 179,pp.3751-3757 (Collaboration)
58.	2006	Article	Direct Carbon Patterning on Conducting Substrate in Organic Liquid Carbon 44,pp.799-801
59.	2006	Article	Direct Observation of Ferroelectricity in Quasi Zero Dimensional Barium Titanate Nanoparticles Small 2(12),pp.1427-1431 (Collaboration)
60.	2006	Article	Direct patterning of crystallized BaTiO3 and TiO2 films in aqueous solutions Thin Solid Films 515,pp.2696-2699 (Collaboration)
61.	2006	Article	Diredt fabrication of anatase/activated carbon nano-hybrid materials by hydrothermal with ball milling method at low temperature J. Mater. Sci. 41,pp.1363-1368 (Collaboration)
62.	2006	Article	Effect of High-Pressure Ammonia Treatment on the Activity of Ge3N4 Photocatalyst for Overall Water Splitting J. Phys. Chem. B 110,pp.17563-17569 (Collaboration)
63.	2006	Article	Effest of 10MPa Ammonia treatment on the activity of visible light responsive Ta3N5 photocatalyst Chemistry Letters 35(4),pp.352-353 (Collaboration)
64.	2006	Article	Fabrication of amorphous bulk and multi-phase ceramics by melting method in the HfO2-Al2O3-Gd2O3-Eu2O3　system Journal of Electroceramics 17,pp.71-74 (Collaboration)
65.	2006	Article	Fabrication of crack free C12A7 glass ceramics from eutectic glass in the C12A7-CaYAlO4 system Int. J. Applied Ceramic Technology 3(4),pp.266-271 (Collaboration)
66.	2006	Article	Melt synthesis and characterization of complexed oxide perovskitea containing rare earths J. Alloys and Compounds 408-412,pp.1177-1181 (Collaboration)
67.	2006	Article	On-site fabrication of ceramics films from solution precursors by ink-jet and spray assisted processes J. Electroceramics 16(4),pp.533-536 (Collaboration)
68.	2006	Article	Solution Symthesis of Crystallized AMO4 (A=Ba, Sr, Ca; M=W, Mo) Film at Room Temperature J. Mater. Sci. 41(5),pp.1541-1546 (Collaboration)
69.	2005	Article	Direct Fabrication of TiO2 Nanoparticles-Deposited Hydroxyapatite Crystals under Mild Hydrothermal Conditions J. Nanoscience and Nanotechnology 5,pp.875-879
70.	2005	Article	Formation and characterization of continuous Tetragonal Solid Solution in the system ZrO2-CeO2 by Hydrothermal Method J. Phy. Chem. B 109,pp.6136-6139
71.	2005	Article	Preparation and characterization of sodium tantalate thin films by hydrothermal-electrochemical synthesis Chemstry of Materials 17,pp.2422-2426
72.	2005	Article	Vibrational Spectra of Ca3SiO5: Ultraviolet Laser Raman Spectroscopy at High Temperatures J. Am. Ceram. Soc. 88(7),pp.1995-1998
73.	2003	Article	Direct Fabrication of Patterned Ceramic Films by Soft Solution Processing without Post-Firing Proceedings of ISHR pp.419-426
74.	2003	Article	Direct Fabrication of Functional Ceramic Films and Patterns in/from Solution without Post-Firing Proc. of Japan-Korea Seminar on Ceramics pp.281-284
75.	2003	Article	Direct Fabrication of Patterned Functional Ceramics Film by Soft Solution Processing without Post-Firing Proceedings of MRS Fall Meeting 758,pp.65-72
76.	2002	Article	Direct Fabrication of Crystallized LiCoO2 Films on Paper by Artificial Biomineralization with Electrochemically Activated Interfacial Reactions Chemical Physical Letters 365,pp.369-373
77.	2002	Article	Direct Fabrication of Oxide Films by a Microwave-Hydrothermal Method at Low Temperature Solid State Ionics 151,pp.41-45
78.	2002	Article	Direct Fabrication of Patterned PbS and CdS on Organic Sheets at Ambient Temperature by On-site Reaction Using Ink Jet Printer Solid State Ionics pp.97-103
79.	2001/01	Article	Direct Fabrication of Crystalline Vanadates Films by Hydrothermal-Electrochemical Method Solid State Sciences 3,pp.183-188
80.	2001	Article	Direct Fabrication of LiCoO2 Films on Various Substrates in Flowing Aqueous Solutions at 150oC J. Solid State Chem. 162,pp.364-370
81.	2000	Article	Direct Fabrication of LiCoO2 Films on Papers by Electrodeposition Method with Interfacial Reaction 'Proceeding of PMP-2000; The Minerals, Metals & Materials Society' pp.935-938
82.	2000	Article	Effect of LiOH Concentration Change on Simultaneous Preparation of LiCoO2 Film and Powder by Hydrothermal Method Solid State Ionics (Proc. of SSI-12) pp.135-137，277-282
83.	2000	Article	Room-temperature Direct Patterning of Crystalline Inorganic Materials on Organic Substrates by On-site Solution Reaction 'Proceeding of PMP-2000; The Minerals, Metals & Materials Society' pp.961-964
84.	1999	Article	A Solution Flow System for Hydrothermal-electrochemical Growth of Multilayered Thin Films Rev. Sci. Instruments 70(5),pp.2432-2437
85.	1999	Article	In Situ Fabrication of SrTiO3-BaTiO3 Layered Thin Films by Hydrothermal-Electrochemical Technique J. Euro. Ceram. Soc. 19,pp.1353-1359
86.	1999	Article	Simultaneous and Direct Fabrication of Lithium Cobalt Oxide Film and Powder Using Soft Solution Processing at 100℃ Electrochemical and Solid-State Letters 2(2),pp.63-66
87.	1998/01	Article	Preparation of BaTiO3 Thin Films by the Hydrothermal-electrochemical Method in the Flowing Solution Solid State Ionics 109,pp.65-72
88.	1998	Article	Functionally Graded SrTiO3-BaTiO3 Thin Films Prepared By the Hydrothermal-Electrochemical Method under Flowing Solution J. Mater. Res. 13(4),pp.875-879
89.	1998	Article	Solution Flow System for Hydrothermal-Electrochemical Synthesis: New Opportunities for Multilayered Oxide Films 'MRS Symposium Proceedings Vol. 517, ''High-Density, Magnetic Recording and Integrated Magneto-Optics: Materials and Devices''' pp.639-649
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■ Academic Qualifications

1.	～2001/03	〔Doctorial Course〕, Graduate School, Division of Integrated Science and Engineering, Tokyo Institute of Technology, Completed,
2.	～1998/03	〔Master Course〕, Graduate School, Division of Integrated Science and Engineering, Tokyo Institute of Technology, Completed,
3.	～1996/03	Faculty of Science and Engineering, Meiji University, Graduated,

■ Internal Committee Positions

1.	2016/04/01～2017/03/31	Deputy Director, Headquarters of International Collaboration
2.	2014/04/01～2016/03/31	Deputy Director, International Educational Center

■ Committees and Associations

2019/06/01～

The Materials Research Society of Japan

■ Email Addresses

■ Current Specialized Field

Inorganic/coordination chemistry, Inorganic materials and properties, Structural materials and functional materials