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研究成果 1991 2019

フィルター
会議での発言
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
12 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., 2007, Proceedings ICT'07 - 26th International Conference on Thermoelectrics. p. 112-116 5 p. 4569436

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
2006
24 引用 (Scopus)

Enhanced thermoelectric performance of nanostructured ZnO: A possibility of selective phonon scattering and carrier energy filtering by nanovoid structure

Ohtaki, M. & Hayashi, R., 12 1 2006, Proceedings ICT'06 - 25th International Conference on Thermoelectrics. p. 276-279 4 p. 4133287

研究成果: 著書/レポートタイプへの貢献会議での発言

Phonon scattering
Ball milling
Defects
Oxides
Seebeck coefficient
8 引用 (Scopus)

Fabrication and power generation characteristics of p-NaCo 2O4/n-ZnO oxide thermoelectric modules

Souma, T., Ohtaki, M., Shigeno, M., Ohba, Y., Nakamura, N. & Shimozaki, T., 12 1 2006, Proceedings ICT'06 - 25th International Conference on Thermoelectrics. p. 603-606 4 p. 4133365

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
Fabrication
Oxides
Welding
Silver
1 引用 (Scopus)

Optimization of synthesis conditions for CoSb3 compounds prepared by Sb self-flux method

Souma, T. & Ohtaki, M., 2006, Proceedings ICT'06 - 25th International Conference on Thermoelectrics. p. 598-602 5 p. 4133364

研究成果: 著書/レポートタイプへの貢献会議での発言

Fluxes
Rietveld analysis
Powders
Temperature
Chemical analysis
1 引用 (Scopus)

Relation between Zn content and thermoelectric properties of Zn 4+xSb3 (-0.12≤x≤0.12)

Souma, T. & Ohtaki, M., 12 1 2006, Proceedings ICT'06 - 25th International Conference on Thermoelectrics. p. 594-597 4 p. 4133363. (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

Chemical analysis
Durability
Crystals
Temperature
4 引用 (Scopus)

Thermoelectric properties and local electronic structure of rare earth-doped Ca3Co2O6

Nong, N. V. & Ohtaki, M., 12 1 2006, Proceedings ICT'06 - 25th International Conference on Thermoelectrics. p. 62-65 4 p. 4133236

研究成果: 著書/レポートタイプへの貢献会議での発言

Rare earths
Electronic structure
Substitution reactions
Temperature
Metals
2005

Comparison of structural parameters for Zn4-xCd xSb3 compounds analyzed by the Rietveld method using two crystallographic models

Souma, T. & Ohtaki, M., 2005, Proceedings - ICT'05: 24th International Conference on Thermoelectrics. 巻 2005. p. 410-413 4 p. 1519973

研究成果: 著書/レポートタイプへの貢献会議での発言

Rietveld method
Rietveld analysis
Crystals
Casting
Vacuum
1 引用 (Scopus)

Evaluation of durability of thermoelectric properties for Zn 4Sb3 compounds

Souma, T. & Ohtaki, M., 2005, Proceedings - ICT'05: 24th International Conference on Thermoelectrics. 巻 2005. p. 414-417 4 p. 1519974

研究成果: 著書/レポートタイプへの貢献会議での発言

Deterioration
Durability
Thermal load
Vacuum
Hot Temperature
2 引用 (Scopus)

Strong influence of CO2 partial pressure on inhomogeneous Na distributions and the thermoelectric performance of polycrystalline NaCo 2C4

Ohtaki, M. & Shouji, K., 12 1 2005, Proceedings - ICT'05: 24th International Conference on Thermoelectrics. 巻 2005. p. 472-475 4 p. 1519988

研究成果: 著書/レポートタイプへの貢献会議での発言

Crystallites
Partial pressure
Seebeck coefficient
Solid state reactions
Crystal lattices
2 引用 (Scopus)

Synthesis and Rietveld analysis for CoSb3 compounds prepared by Sb self-flux method

Souma, T. & Ohtaki, M., 2005, Proceedings - ICT'05: 24th International Conference on Thermoelectrics. 巻 2005. p. 121-124 4 p. 1519903

研究成果: 著書/レポートタイプへの貢献会議での発言

Rietveld analysis
Fluxes
Crystals
Powders
Chemical analysis

The influence of composition change on structural and magnetic properties of non-stoichiometric Ni-Mn-Ga alloys

Nong, N. V., Thuy, N. P., Yao, Y. D., Ohtaki, M. & Lam, N. T., 12 12 2005, INTERMAG ASIA 2005: Digests of the IEEE International Magnetics Conference. 1 p. GF 07

研究成果: 著書/レポートタイプへの貢献会議での発言

Structural properties
Magnetic properties
Chemical analysis
2003
3 引用 (Scopus)

Sintering process and nonstoichiometry of NaCo2O4 layered thermoelectric oxide

Ohtaki, M. & Shouji, K., 1 1 2003, Proceedings ICT 2003 - 22nd International Conference on Thermoelectrics. Institute of Electrical and Electronics Engineers Inc., p. 227-230 4 p. 1287490. (International Conference on Thermoelectrics, ICT, Proceedings; 巻数 2003-January).

研究成果: 著書/レポートタイプへの貢献会議での発言

Partial pressure
sintering
Sintering
partial pressure
Oxides
6 引用 (Scopus)

Thermoelectric properties of Al-doped ZnO sintered with nanosized void forming agents

Ohtaki, M., Maehara, S. & Shige, S., 1 1 2003, Proceedings ICT 2003 - 22nd International Conference on Thermoelectrics. Institute of Electrical and Electronics Engineers Inc., p. 171-174 4 p. 1287476. (International Conference on Thermoelectrics, ICT, Proceedings; 巻数 2003-January).

研究成果: 著書/レポートタイプへの貢献会議での発言

voids
Thermoelectric power
electrical resistivity
Organic polymers
Phonons
2002
3 引用 (Scopus)

Site-selective doping of transition metal cations into NaCo2O4

Nojiri, Y. & Ohtaki, M., 2002, Proceedings ICT 2002: 21st International Conference on Thermoelectrics. Institute of Electrical and Electronics Engineers Inc., 巻 2002-January. p. 234-237 4 p. 1190308

研究成果: 著書/レポートタイプへの貢献会議での発言

Transition metals
Positive ions
transition metals
Doping (additives)
cations
1998
12 引用 (Scopus)

Thermoelectric properties of delafossite-related layered metal oxides

Ohtaki, M., Kubo, Y. & Eguchi, K., 1998, International Conference on Thermoelectrics, ICT, Proceedings. Anon (版). IEEE, p. 559-562 4 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Oxides
Metals
Crystal chemistry
Temperature
Seebeck coefficient
19 引用 (Scopus)

Thermoelectric properties of oxide solid solutions based on Al-doped ZnO

Ohtaki, M., Tsubota, T. & Eguchi, K., 1998, International Conference on Thermoelectrics, ICT, Proceedings. Anon (版). IEEE, p. 610-613 4 p.

研究成果: 著書/レポートタイプへの貢献会議での発言

Solid solutions
Thermal conductivity
Oxides
Hall mobility
Seebeck coefficient