Pureに変更を加えた場合、すぐここに表示されます。

研究成果 1991 2019

2019
4 引用 (Scopus)

Atomic-scale phonon scatterers in thermoelectric colusites with a tetrahedral framework structure

Suekuni, K., Shimizu, Y., Nishibori, E., Kasai, H., Saito, H., Yoshimoto, D., Hashikuni, K., Bouyrie, Y., Chetty, R., Ohta, M., Guilmeau, E., Takabatake, T., Watanabe, K. & Ohtaki, M., 1 1 2019, : : Journal of Materials Chemistry A. 7, 1, p. 228-235 8 p.

研究成果: ジャーナルへの寄稿記事

Chalcogenides
Thermal conductivity
Crystal structure
Sulfur
Defects

Electronic structure and thermoelectric properties of Sn1.2- xNb x Ti0.8S3 with a quasi-one-dimensional structure

Suekuni, K., Usui, H., Qiao, S., Hashikuni, K., Hirano, T., Nishiate, H., Lee, C. H., Kuroki, K., Watanabe, K. & Ohtaki, M., 5 7 2019, : : Journal of Applied Physics. 125, 17, 175111.

研究成果: ジャーナルへの寄稿記事

公開
ribbons
electronic structure
electrons
Seebeck effect
occupation

Graphene enhanced thermoelectric properties of cement based composites for building energy harvesting

Ghosh, S., Sivasankaran, H., Rocky, K. A., Ohtaki, M. & Saha, B. B., 11 1 2019, : : Energy and Buildings. 202, 109419.

研究成果: ジャーナルへの寄稿記事

Energy harvesting
Graphene
Cements
Composite materials
Seebeck coefficient
2 引用 (Scopus)

Thermoelectric Properties and Electronic Structures of CuTi 2 S 4 Thiospinel and Its Derivatives: Structural Design for Spinel-Related Thermoelectric Materials

Hashikuni, K., Suekuni, K., Usui, H., Chetty, R., Ohta, M., Kuroki, K., Takabatake, T., Watanabe, K. & Ohtaki, M., 1 22 2019, : : Inorganic chemistry. 58, 2, p. 1425-1432 8 p.

研究成果: ジャーナルへの寄稿記事

structural design
thermoelectric materials
Structural design
spinel
Electronic structure
2018
2 引用 (Scopus)

Low Thermal Conductivity of RE-Doped SrO(SrTiO3)1 Ruddlesden Popper Phase Bulk Materials Prepared by Molten Salt Method

Putri, Y. E., Said, S. M., Refinel, R., Ohtaki, M. & Syukri, S., 9 1 2018, : : Electronic Materials Letters. 14, 5, p. 556-562 7 p.

研究成果: ジャーナルへの寄稿記事

Molten materials
Thermal conductivity
Salts
Phonon scattering
Seebeck coefficient
2016
1 引用 (Scopus)
tungsten oxides
Alkalies
iron oxides
Oxides
Tungsten
2015

Nanostructured oxide thermoelectric materials with enhanced phonon scattering

Ohtaki, M., 1 1 2015, Oxide Thin Films, Multilayers, and Nanocomposites. Springer International Publishing, p. 107-122 16 p.

研究成果: 著書/レポートタイプへの貢献

Phonon scattering
thermoelectric materials
Oxides
oxides
scattering
2014
27 引用 (Scopus)

Effects of morphology on the thermoelectric properties of Al-doped ZnO

Han, L., Van Nong, N., Zhang, W., Hung, L. T., Holgate, T., Tashiro, K., Ohtaki, M., Pryds, N. & Linderoth, S., 3 11 2014, : : RSC Advances. 4, 24, p. 12353-12361 9 p.

研究成果: ジャーナルへの寄稿記事

Platelets
Nanoparticles
Spark plasma sintering
Powders
Thermal conductivity

Preface

Katsuyama, S., Akai, K., Anno, H., Hasezaki, K., Kimura, K., Ohtaki, M. & Takeda, M., 1 1 2014, : : Materials Transactions. 55, 8, 1 p.

研究成果: ジャーナルへの寄稿編集

2013
8 引用 (Scopus)

Extremely low thermal conductivity in oxides with cage-like crystal structure

Ohtaki, M. & Miyaishi, S., 7 1 2013, : : Journal of Electronic Materials. 42, 7, p. 1299-1302 4 p.

研究成果: ジャーナルへの寄稿記事

Oxides
Cations
Thermal conductivity
thermal conductivity
Crystal structure
9 引用 (Scopus)

La doped effects on structure and thermoelectric properties of Sr 2 MnMoO 6 double-perovskite oxides

Sugahara, T., Ohtaki, M. & Suganuma, K., 1 1 2013, : : Journal of Asian Ceramic Societies. 1, 3, p. 282-288 7 p.

研究成果: ジャーナルへの寄稿記事

Perovskite
Oxides
Temperature
Rietveld refinement
Seebeck coefficient
39 引用 (Scopus)

Platinum and palladium nano-structured catalysts for polymer electrolyte fuel cells and direct methanol fuel cells

Long, N. V., Thi, C. M., Yong, Y., Nogami, M. & Ohtaki, M., 7 1 2013, : : Journal of nanoscience and nanotechnology. 13, 7, p. 4799-4824 26 p.

研究成果: ジャーナルへの寄稿評論記事

Direct methanol fuel cells (DMFC)
Palladium
Platinum
Catalysis
Electrolytes
8 引用 (Scopus)

Synthesis and self-assembly of gold nanoparticles by chemically modified polyol methods under experimental control

Viet Long, N., Ohtaki, M., Yuasa, M., Yoshida, S., Kuragaki, T., Minh Thi, C. & Nogami, M., 4 5 2013, : : Journal of Nanomaterials. 2013, 793125.

研究成果: ジャーナルへの寄稿記事

Polyols
Gold
Self assembly
Nanoparticles
Surface plasmon resonance
27 引用 (Scopus)

The influence of α- And γ-Al2O3 phases on the thermoelectric properties of Al-doped ZnO

Han, L., Nong, N. V., Hung, L. T., Holgate, T., Pryds, N., Ohtaki, M. & Linderoth, S., 4 5 2013, : : Journal of Alloys and Compounds. 555, p. 291-296 6 p.

研究成果: ジャーナルへの寄稿記事

Calcination
Doping (additives)
Microstructure
Spark plasma sintering
Grain growth
2012
11 引用 (Scopus)

Controlled synthesis and properties of palladium nanoparticles

Long, N. V., Hayakawa, T., Matsubara, T., Chien, N. D., Ohtaki, M. & Nogami, M., 1 1 2012, : : Journal of Experimental Nanoscience. 7, 4, p. 426-439 14 p.

研究成果: ジャーナルへの寄稿記事

Palladium
Nanoparticles
Ethylene Glycol
Ethylene glycol
Sodium Iodide

Erratum to Controlled synthesis and properties of palladium nanoparticles ((426-439), 10.1080/17458080.2010.543988)

Viet Long, N., Hayakawa, T., Matsubara, T., Chien, N. D., Ohtaki, M. & Nogami, M., 12 1 2012, : : Journal of Experimental Nanoscience. 7, 6, p. 711-712 2 p.

研究成果: ジャーナルへの寄稿コメント/討論

Palladium
Nanoparticles
2 引用 (Scopus)
Platinum
Nanostructures
platinum
Nucleation
roughness
34 引用 (Scopus)

New experimental evidences of Pt-Pd bimetallic nanoparticles with core-shell configuration and highly fine-ordered nanostructures by high-resolution electron transmission microscopy

Nguyen, V. L., Ohtaki, M., Matsubara, T., Cao, M. T. & Nogami, M., 6 7 2012, : : Journal of Physical Chemistry C. 116, 22, p. 12265-12274 10 p.

研究成果: ジャーナルへの寄稿記事

High resolution transmission electron microscopy
Nanostructures
Nanoparticles
nanoparticles
transmission electron microscopy
24 引用 (Scopus)
Chemical engineering
Agglomeration
Nanoparticles
Nanostructures
Polymers

Preface

Katsuyama, S., Akai, K., Anno, H., Hasezaki, K., Kimura, K., Ohtaki, M., Takeda, M. & Unuma, H., 10 5 2012, : : Materials Transactions. 53, 7, 1 p.

研究成果: ジャーナルへの寄稿編集

5 引用 (Scopus)

Pt and Pd based catalysts with novel alloy and core-shell nanostructures for practical applications in next fuel cells: Patents and highlights

Long, N. V., Thi, C. M., Nogami, M. & Ohtaki, M., 7 23 2012, : : Recent Patents on Materials Science. 5, 3, p. 175-190 16 p.

研究成果: ジャーナルへの寄稿評論記事

Fuel cells
Nanostructures
Catalysts
Nanoparticles
Metals
11 引用 (Scopus)

Sharp cubic and octahedral morphologies of poly(vinylpyrrolidone)-stabilised platinum nanoparticles by polyol method in ethylene glycol: Their nucleation, growth and formation mechanisms

Long, N. V., Chien, N. D., Hayakawa, T., Matsubara, T., Ohtaki, M. & Nogami, M., 3 1 2012, : : Journal of Experimental Nanoscience. 7, 2, p. 133-149 17 p.

研究成果: ジャーナルへの寄稿記事

Ethylene Glycol
Polyols
Ethylene glycol
Platinum
Nucleation
16 引用 (Scopus)

Structure and morphology of platinum nanoparticles with critical new issues of low- and high-index facets

Long, N. V., Ohtaki, M., Ngo, V. N., Cao, M. T. & Nogami, M., 1 1 2012, : : Advances in Natural Sciences: Nanoscience and Nanotechnology. 3, 2, 025005.

研究成果: ジャーナルへの寄稿記事

Platinum
Nanoparticles
Silver Nitrate
Direct methanol fuel cells (DMFC)
Polyols
13 引用 (Scopus)

Structure and thermoelectric properties of Ca 2-xSr xFeMoO 6 (0 ≤ x ≤ 0.3) double-perovskite oxides

Sugahara, T., Van Nong, N. & Ohtaki, M., 4 16 2012, : : Materials Chemistry and Physics. 133, 2-3, p. 630-634 5 p.

研究成果: ジャーナルへの寄稿記事

Perovskite
Oxides
oxides
Substitution reactions
Temperature
13 引用 (Scopus)

Structure and thermoelectric properties of double-perovskite oxides: Sr2-xKxFeMoO6

Sugahara, T., Araki, T., Ohtaki, M. & Suganuma, K., 1 1 2012, : : Journal of the Ceramic Society of Japan. 120, 1402, p. 211-216 6 p.

研究成果: ジャーナルへの寄稿記事

Perovskite
Oxides
oxides
Doping (additives)
Temperature
2011
51 引用 (Scopus)

A comparative study of Pt and Pt-Pd core-shell nanocatalysts

Long, N. V., Ohtaki, M., Hien, T. D., Randy, J. & Nogami, M., 10 30 2011, : : Electrochimica Acta. 56, 25, p. 9133-9143 11 p.

研究成果: ジャーナルへの寄稿記事

Nanoparticles
Nanoshells
Direct methanol fuel cells (DMFC)
Nanostructures
Electrocatalysis
48 引用 (Scopus)

Effects of heat treatment and poly(vinylpyrrolidone) (PVP) polymer on electrocatalytic activity of polyhedral Pt nanoparticles towards their methanol oxidation

Long, N. V., Ohtaki, M., Nogami, M. & Hien, T. D., 8 1 2011, : : Colloid and Polymer Science. 289, 12, p. 1373-1386 14 p.

研究成果: ジャーナルへの寄稿記事

Methanol
heat treatment
methyl alcohol
Heat treatment
Nanoparticles
176 引用 (Scopus)

Enhancement of the thermoelectric performance of p-type layered oxide Ca3Co4O9+δ through heavy doping and metallic nanoinclusions

Van Nong, N., Pryds, N., Linderoth, S. & Ohtaki, M., 6 3 2011, : : Advanced Materials. 23, 21, p. 2484-2490 7 p.

研究成果: ジャーナルへの寄稿記事

Oxides
Doping (additives)
High temperature testing
Heavy Ions
Heavy ions
17 引用 (Scopus)

High-temperature thermoelectric and microstructural characteristics of cobalt-based oxides with ga substituted on the Co-site

Nong, N. V., Yanagiya, S., Monica, S., Pryds, N. & Ohtaki, M., 5 1 2011, : : Journal of Electronic Materials. 40, 5, p. 716-722 7 p.

研究成果: ジャーナルへの寄稿記事

Cobalt
Oxides
Substitution reactions
cobalt
substitutes
77 引用 (Scopus)

High-temperature thermoelectric properties of late rare earth-doped Ca 3Co4O9+δ

Nong, N. V., Liu, C. J. & Ohtaki, M., 1 21 2011, : : Journal of Alloys and Compounds. 509, 3, p. 977-981 5 p.

研究成果: ジャーナルへの寄稿記事

Seebeck coefficient
Rare earths
Thermal conductivity
Solid state reactions
Oxides
74 引用 (Scopus)
thermoelectric materials
heat sources
Oxides
Power generation
oxides
19 引用 (Scopus)
cobalt oxides
transition metals
oxides
operating temperature
stabilization
17 引用 (Scopus)
Surface Morphology
Fuel Cell
fuel cells
Nanoparticles
Surface morphology
44 引用 (Scopus)

Synthesis and characterization of polyhedral Pt nanoparticles: Their catalytic property, surface attachment, self-aggregation and assembly

Long, N. V., Ohtaki, M., Uchida, M., Jalem, R., Hirata, H., Chien, N. D. & Nogami, M., 7 15 2011, : : Journal of Colloid And Interface Science. 359, 2, p. 339-350 12 p.

研究成果: ジャーナルへの寄稿記事

Surface properties
Agglomeration
Nanoparticles
Catalysts
Direct methanol fuel cells (DMFC)
115 引用 (Scopus)
Direct methanol fuel cells (DMFC)
fuel cells
Nanostructures
methyl alcohol
Nanoparticles
24 引用 (Scopus)

Synthesis and characterization of Pt-Pd nanoparticles with core-shell morphology: Nucleation and overgrowth of the Pd shells on the as-prepared and defined Pt seeds

Long, N. V., Hien, T. D., Asaka, T., Ohtaki, M. & Nogami, M., 7 21 2011, : : Journal of Alloys and Compounds. 509, 29, p. 7702-7709 8 p.

研究成果: ジャーナルへの寄稿記事

Seed
Nucleation
Nanoparticles
Transmission electron microscopy
High resolution transmission electron microscopy
7 引用 (Scopus)

Thermoelectric properties and thermopower enhancement of Al-doped ZnO with nanosized pore structure

Ohtaki, M. & Araki, K., 1 1 2011, : : Journal of the Ceramic Society of Japan. 119, 1395, p. 813-816 4 p.

研究成果: ジャーナルへの寄稿記事

Phonon scattering
Thermoelectric power
Polymethyl Methacrylate
Pore structure
Thermal conductivity
2010
37 引用 (Scopus)

Chemical synthesis and characterization of palladium nanoparticles

Long, N. V., Nguyen, D. C., Hirata, H., Ohtaki, M., Hayakawa, T. & Nogami, M., 1 1 2010, : : Advances in Natural Sciences: Nanoscience and Nanotechnology. 1, 3, 035012.

研究成果: ジャーナルへの寄稿記事

Palladium
Nanoparticles
Povidone
Polyols
Ethylene Glycol
72 引用 (Scopus)

Improvement on the high temperature thermoelectric performance of Ga-doped misfit-layered Ca3Co4-xGaxO9+δ (x = 0, 0.05, 0.1, and 0.2)

Nong, N. V., Liu, C. J. & Ohtaki, M., 2 18 2010, : : Journal of Alloys and Compounds. 491, 1-2, p. 53-56 4 p.

研究成果: ジャーナルへの寄稿記事

Substitution reactions
Thermoelectric power
Hot pressing
Solid state reactions
Oxides
2009
250 引用 (Scopus)

High thermoelectric performance of dually doped ZnO ceramics

Ohtaki, M., Araki, K. & Yamamoto, K., 7 1 2009, : : Journal of Electronic Materials. 38, 7, p. 1234-1238 5 p.

研究成果: ジャーナルへの寄稿記事

Oxides
ceramics
oxides
Thermal conductivity
thermal conductivity

Special issue on thermoelectric conversion materials V: Preface

Kimura, K., Takagi, K. I., Koyanagi, T., Ohtaki, M., Unuma, H., Katsuyama, S., Akai, K. & Takeda, M., 7 2009, : : Materials Transactions. 50, 7, p. 1581 1 p.

研究成果: ジャーナルへの寄稿編集

2008

Aサイト置換したダブルペロブスカイト型酸化物A₂B´MoO₆の熱電特性

菅原徹, 大瀧倫卓 & 相馬岳, 6 2008, : : 九州大学大学院総合理工学報告. 30, 1, p. 8-13 6 p.

研究成果: ジャーナルへの寄稿記事

Special issue on thermoelectric conversion materials IV: Preface

Kimura, K., Takagi, K. I., Koyanagi, T., Ohtaki, M., Unuma, H., Katsuyama, S., Akai, K. & Takeda, M., 8 1 2008, : : Materials Transactions. 49, 8, 1 p.

研究成果: ジャーナルへの寄稿編集

26 引用 (Scopus)

Thermoelectric properties of double-perovskite oxide Sr2-xM xFeMoO6 [M = Ba, La)

Sugahara, T., Ohtaki, M. & Souma, T., 1 1 2008, : : Journal of the Ceramic Society of Japan. 116, 1360, p. 1278-1282 5 p.

研究成果: ジャーナルへの寄稿記事

Perovskite
Oxides
Doping (additives)
oxides
Seebeck coefficient

熱電酸化物セラミックスのナノ構造制御と熱電特性

大瀧倫卓, 5 1 2008, : : Journal of the Institute of Electrical Engineers of Japan. 128, 5, p. 293-295 3 p.

研究成果: ジャーナルへの寄稿評論記事

Metal oxide ceramics
Nanostructures
2007
9 引用 (Scopus)

Power generation characteristics of oxide thermoelectric modules incorporating nanostructured ZnO sintered materials

Souma, T., Ohtaki, M., Ohnishi, K., Shigeno, M., Ohba, Y. & Shimozaki, T., 12 1 2007, Proceedings ICT'07 - 26th International Conference on Thermoelectrics. p. 38-41 4 p. 4569418

研究成果: 著書/レポートタイプへの貢献会議での発言

Power generation
Oxides
Temperature
Nanostructures
Welding

Special issue on thermoelectric conversion materials III

Kimura, K., Takagi, K. I., Koyanagi, T., Ohtaki, M., Unuma, H., Katsuyama, S., Akai, K. & Takeda, M., 8 2007, : : Materials Transactions. 48, 8, p. 2072 1 p.

研究成果: ジャーナルへの寄稿編集

13 引用 (Scopus)

Thermoelectric properties of sintered ZnO incorporating nanovid structure: Influence of the size and number density of nanovoids

Ohtaki, M., Hayashi, R. & Araki, K., 12 1 2007, Proceedings ICT'07 - 26th International Conference on Thermoelectrics. p. 112-116 5 p. 4569436. (International Conference on Thermoelectrics, ICT, Proceedings).

研究成果: 著書/レポートタイプへの貢献会議での発言

Porosity
Phonon scattering
Seebeck coefficient
Phonons
Transport properties

熱エネルギーを電気に変えるセラミックス: 新しい酸化物熱電変換材料の開発

大瀧倫卓, 9 1 2007, : : Petrotech. 30, 9, p. 690-696 7 p.

研究成果: ジャーナルへの寄稿評論記事