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1

Oxygen sensing properties of Ti-doped Nb2O5

Michitaka Ohtaki, Jun Peng, Koichi Eguchi, Hiromichi Arai

Journal:

Sensors and Actuators B: Chemical

Année:

1993

Langue:

english

Fichier:

PDF, 171 KB

english, 1993

2

Thermoelectric properties of Al-doped ZnO as a promising oxide material for high-temperature thermoelectric conversion

Tsubota, Toshiki, Ohtaki, Michitaka, Eguchi, Koichi, Arai, Hiromichi

Journal:

Journal of Materials Chemistry

Année:

1997

Langue:

english

Fichier:

PDF, 259 KB

english, 1997

3

[IEEE 2006 25th International Conference on Thermoelectrics - Vienna, Austria (2006.08.6-2006.08.10)] 2006 25th International Conference on Thermoelectrics - Enhanced Thermoelectric Performance of Nanostructured ZnO: A possibility of selective phonon scattering and carrier energy filtering by nanovoid structure

Ohtaki, Michitaka, Hayashi, Ryosuke

Année:

2006

Langue:

english

Fichier:

PDF, 5.03 MB

english, 2006

4

La doped effects on structure and thermoelectric properties of Sr2MnMoO6 double-perovskite oxides

Sugahara, Tohru, Ohtaki, Michitaka, Suganuma, Katsuaki

Journal:

Journal of Asian Ceramic Societies

Année:

2013

Langue:

english

Fichier:

PDF, 1.48 MB

english, 2013

5

[IEEE 2007 26th International Conference on Thermoelectrics (ICT 2007) - Jeju Island, South Korea (2007.06.3-2007.06.7)] 2007 26th International Conference on Thermoelectrics - Thermoelectric properties of sintered ZnO incorporating nanovid structure: Influence of the size and number density of nanovoids

Michitaka Ohtaki,, Ryosuke Hayashi,, Kazuhiko Araki,

Année:

2007

Langue:

english

Fichier:

PDF, 615 KB

english, 2007

6

Chemical synthesis and characterization of palladium nanoparticles

Nguyen, Viet Long, Nguyen, Duc Chien, Hirata, Hirohito, Ohtaki, Michitaka, Hayakawa, Tomokatsu, Nogami, Masayuki

Journal:

Advances in Natural Sciences: Nanoscience and Nanotechnology

Année:

2010

Langue:

english

Fichier:

PDF, 628 KB

english, 2010

7

Platinum and Palladium Nano-Structured Catalysts for Polymer Electrolyte Fuel Cells and Direct Methanol Fuel Cells

Long, Nguyen Viet, Thi, Cao Minh, Yong, Yang, Nogami, Masayuki, Ohtaki, Michitaka

Journal:

Journal of Nanoscience and Nanotechnology

Année:

2013

Langue:

english

Fichier:

PDF, 2.70 MB

english, 2013

8

Crystal Structure and Thermoelectric Properties of β-Pyrochlore-Type Alkali Iron Tungsten Oxides with Cage-Like Structure

Mizuta, Kohei, Ohtaki, Michitaka

Journal:

Journal of Electronic Materials

Année:

2016

Langue:

english

Fichier:

PDF, 1.12 MB

english, 2016

9

Preparation of Highly Active Hydrogenation Catalyst by Immobilization of Polymer-Protected Colloidal Rhodium Particles

Hirai, Hidefumi, Ohtaki, Michitaka, Komiyama, Makoto

Journal:

Chemistry Letters

Année:

1987

Langue:

english

Fichier:

PDF, 6.57 MB

english, 1987

10

Enhanced figure of merit of cement composites with graphene and ZnO nanoinclusions for efficient energy harvesting in buildings

Ghosh, Sampad, Harish, Sivasankaran, Ohtaki, Michitaka, Saha, Bidyut Baran

Journal:

Année:

2020

Fichier:

PDF, 2.93 MB

2020

11

Enhancement of the Thermoelectric Performance of p-Type Layered Oxide Ca3Co4O9+δ Through Heavy Doping and Metallic Nanoinclusions

Ngo Van Nong, Nini Pryds, Søren Linderoth, Michitaka Ohtaki

Journal:

Advanced Materials

Année:

2011

Langue:

english

Fichier:

PDF, 552 KB

english, 2011

12

Electrical Transport Properties and High-Temperature Thermoelectric Performance of (Ca0.9M0.1)MnO3 (M = Y, La, Ce, Sm, In, Sn, Sb, Pb, Bi)

Michitaka Ohtaki, Hisako Koga, Tsutomu Tokunaga, Koichi Eguchi, Hiromichi Arai

Journal:

Journal of Solid State Chemistry

Année:

1995

Fichier:

PDF, 397 KB

1995

13

Synthesis and characterization of Pt–Pd alloy and core-shell bimetallic nanoparticles for direct methanol fuel cells (DMFCs): Enhanced electrocatalytic properties of well-shaped core-shell morphologies and nanostructures

Nguyen Viet Long, Tong Duy Hien, Toru Asaka, Michitaka Ohtaki, Masayuki Nogami

Journal:

International Journal of Hydrogen Energy

Année:

2011

Langue:

english

Fichier:

PDF, 2.32 MB

english, 2011

14

Substrate selectivity by the polymer support in hydrogenation over crosslinked polymer-immobilized metal catalysts

Naoki Toshima, Michitaka Ohtaki, Toshiharu Teranishi

Journal:

Reactive Polymers

Année:

1991

Langue:

english

Fichier:

PDF, 1.31 MB

english, 1991

15

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

Nguyen Viet Long, Michitaka Ohtaki, Masaya Uchida, Randy Jalem, Hirohito Hirata, Nguyen Duc Chien, Masayuki Nogami

Journal:

Journal of Colloid and Interface Science

Année:

2011

Langue:

english

Fichier:

PDF, 2.56 MB

english, 2011

16

Highly monodisperse cubic and octahedral rhodium nanocrystals: Their evolutions from sharp polyhedrons into branched nanostructures and surface-enhanced Raman scattering

Nguyen Viet Long, Nguyen Duc Chien, Hirohito Hirata, Takashi Matsubara, Michitaka Ohtaki, Masayuki Nogami

Journal:

Journal of Crystal Growth

Année:

2011

Langue:

english

Fichier:

PDF, 3.28 MB

english, 2011

17

Power factors of late rare earth-doped Ca3Co2O6 oxides

Ngo Van Nong, Michitaka Ohtaki

Journal:

Solid State Communications

Année:

2006

Langue:

english

Fichier:

PDF, 1.01 MB

english, 2006

18

Preparation and photocatalytic activities of a semiconductor composite of CdS embedded in a TiO2 gel as a stable oxide semiconducting matrix

Hiroyuki Fujii, Michitaka Ohtaki, Koichi Eguchi, Hiromichi Arai

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

1998

Langue:

english

Fichier:

PDF, 178 KB

english, 1998

19

Intramolecularly selective decomposition of surfactant molecules on photocatalytic oxidative degradation over TiO2 photocatalyst

Michitaka Ohtaki, Hirofumi Sato, Hiroyuki Fujii, Koichi Eguchi

Journal:

Journal of Molecular Catalysis A: Chemical

Année:

2000

Langue:

english

Fichier:

PDF, 215 KB

english, 2000

20

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

Nguyen Viet Long, Michitaka Ohtaki, Masayuki Nogami, Tong Duy Hien

Journal:

Colloid & Polymer Science

Année:

2011

Langue:

english

Fichier:

PDF, 1.34 MB

english, 2011

21

Threshold Conditions for Bulk Second-Order Nonlinearity and Near-Surf ace Second-Order Nonlinearity in Thermally Poled Infrasil Silica

Mingxin Qiu, Toru Mizunaml, Terao Shimomura, Michitaka Ohtaki

Journal:

Année:

2001

Langue:

english

Fichier:

PDF, 471 KB

english, 2001

22

Synthesis and characterization of polyhedral and quasi-sphere non-polyhedral Pt nanoparticles: effects of their various surface morphologies and sizes on electrocatalytic activity for fuel cell applications

Nguyen Viet Long, Michitaka Ohtaki, Tong Duy Hien, Randy Jalem, Masayuki Nogami

Journal:

Journal of Nanoparticle Research

Année:

2011

Langue:

english

Fichier:

PDF, 2.51 MB

english, 2011

23

High Thermoelectric Performance of Dually Doped ZnO Ceramics

Michitaka Ohtaki, Kazuhiko Araki, Kiyoshi Yamamoto

Journal:

Journal of Electronic Materials

Année:

2009

Langue:

english

Fichier:

PDF, 571 KB

english, 2009

24

Controlled synthesis and properties of palladium nanoparticles

Long, Nguyen Viet, Hayakawa, Tomokatsu, Matsubara, Takashi, Chien, Nguyen Duc, Ohtaki, Michitaka, Nogami, Masayuki

Journal:

Journal of Experimental Nanoscience

Année:

2012

Langue:

english

Fichier:

PDF, 1.71 MB

english, 2012

25

Immunochemical detection of methamphetamine using polymer-protected ultrafine platinum particles

Emi Hifumi, Rie Kanmei, Masanori Ishimaru, Kosuke Shimizu, Michitaka Ohtaki, Taizo Uda

Journal:

Journal of Fermentation and Bioengineering

Année:

1996

Langue:

english

Fichier:

PDF, 377 KB

english, 1996

26

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

Nguyen Viet Long, Michitaka Ohtaki, Tong Duy Hien, Jalem Randy, Masayuki Nogami

Journal:

Electrochimica Acta

Année:

2011

Langue:

english

Fichier:

PDF, 1.91 MB

english, 2011

27

Structure and thermoelectric properties of Ca2−xSrxFeMoO6 (0 ≤ x ≤ 0.3) double-perovskite oxides

Tohru Sugahara, Ngo Van Nong, Michitaka Ohtaki

Journal:

Materials Chemistry and Physics

Année:

2012

Langue:

english

Fichier:

PDF, 525 KB

english, 2012

28

Synthesis and Rietveld analysis of Zn4 − xCdxSb3 bulk crystals in the Zn-rich region

Takeshi Souma, Michitaka Ohtaki

Journal:

Journal of Alloys and Compounds

Année:

2006

Langue:

english

Fichier:

PDF, 561 KB

english, 2006

29

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

Nguyen Viet Long, Tong Duy Hien, Toru Asaka, Michitaka Ohtaki, Masayuki Nogami

Journal:

Journal of Alloys and Compounds

Année:

2011

Langue:

english

Fichier:

PDF, 2.87 MB

english, 2011

30

New Experimental Evidences of Pt–Pd Bimetallic Nanoparticles with Core–Shell Configuration and Highly Fine-Ordered Nanostructures by High-Resolution Electron Transmission Microscopy

Nguyen, Viet Long, Ohtaki, Michitaka, Matsubara, Takashi, Cao, Minh Thi, Nogami, Masayuki

Journal:

The Journal of Physical Chemistry C

Année:

2012

Langue:

english

Fichier:

PDF, 5.22 MB

english, 2012

31

Novel issues of morphology, size, and structure of Pt nanoparticles in chemical engineering: surface attachment, aggregation or agglomeration, assembly, and structural changes

Long, Nguyen Viet, Thi, Cao Minh, Nogami, Masayuki, Ohtaki, Michitaka

Journal:

New Journal of Chemistry

Année:

2012

Langue:

english

Fichier:

PDF, 6.66 MB

english, 2012

32

Structural and semiconductor-to-metal transitions of double-perovskite cobalt oxide Sr2−xLaxCoTiO6−δ with enhanced thermoelectric capability

Sugahara, Tohru, Ohtaki, Michitaka

Journal:

Applied Physics Letters

Année:

2011

Langue:

english

Fichier:

PDF, 218 KB

english, 2011

33

High-temperature thermoelectric properties of (Zn1âxAlx)O

Ohtaki, Michitaka, Tsubota, Toshiki, Eguchi, Koichi, Arai, Hiromichi

Journal:

Journal of Applied Physics

Année:

1996

Langue:

english

Fichier:

PDF, 330 KB

english, 1996

34

Extremely Low Thermal Conductivity in Oxides with Cage-Like Crystal Structure

Ohtaki, Michitaka, Miyaishi, So

Journal:

Journal of Electronic Materials

Année:

2013

Langue:

english

Fichier:

PDF, 329 KB

english, 2013

35

Preparation of nanosized CdS particles using decomposition of P2S5 in a non-aqueous solvent

Ohtaki, Michitaka, Oda, Kunihiro, Eguchi, Koichi, Arai, Hiromichi

Journal:

Chemical Communications

Année:

1996

Langue:

english

Fichier:

PDF, 1.05 MB

english, 1996

36

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

Han, Li, Nong, Ngo Van, Hung, Le Thanh, Holgate, Tim, Pryds, Nini, Ohtaki, Michitaka, Linderoth, Søren

Journal:

Journal of Alloys and Compounds

Année:

2013

Langue:

english

Fichier:

PDF, 1.19 MB

english, 2013

37

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

Han, Li, Van Nong, Ngo, Zhang, Wei, Hung, Le Thanh, Holgate, Tim, Tashiro, Kazunari, Ohtaki, Michitaka, Pryds, Nini, Linderoth, Søren

Journal:

Année:

2014

Langue:

english

Fichier:

PDF, 1.74 MB

english, 2014

38

Selective Incorporation of Inorganic Precursors into the Channels of MCM-41 by Molecular Assembly Template as a Hydrophobic Carrier

Ohtaki, Michitaka, Inata, Kazumasa, Eguchi, Koichi

Journal:

Chemistry of Materials

Année:

1998

Langue:

english

Fichier:

PDF, 82 KB

english, 1998

39

Effects of polymer support on the substrate selectivity of covalently immobilized ultrafine rhodium particles as a catalyst for olefin hydrogenation

Ohtaki, Michitaka, Komiyama, Makoto, Hirai, Hidefumi, Toshima, Naoki

Journal:

Année:

1991

Langue:

english

Fichier:

PDF, 1.21 MB

english, 1991

40

[IEEE 2006 25th International Conference on Thermoelectrics - Vienna, Austria (2006.08.6-2006.08.10)] 2006 25th International Conference on Thermoelectrics - Optimization of synthesis conditions for CoSb3 compounds prepared by Sb self-flux method

Souma, Takeshi, Ohtaki, Michitaka

Année:

2006

Langue:

english

Fichier:

PDF, 776 KB

english, 2006

41

Synthesis and Photocatalytic Activity of Lamellar Titanium Oxide Formed by Surfactant Bilayer Templating

Fujii, Hiroyuki, Ohtaki, Michitaka, Eguchi, Koichi

Journal:

Journal of the American Chemical Society

Année:

1998

Langue:

english

Fichier:

PDF, 48 KB

english, 1998

42

High-temperature thermoelectric properties of In2O3-based mixed oxides and their applicability to thermoelectric power generation

Ohtaki, Michitaka, Ogura, Daisuke, Eguchi, Koichi, Arai, Hiromichi

Journal:

Journal of Materials Chemistry

Année:

1994

Langue:

english

Fichier:

PDF, 515 KB

english, 1994

43

Transport properties and thermoelectric performance of (Zn1−yMgy)1−xAlxO

Tsubota, Toshiki, Ohtaki, Michitaka, Eguchi, Koichi, Arai, Hiromichi

Journal:

Journal of Materials Chemistry

Année:

1998

Langue:

english

Fichier:

PDF, 123 KB

english, 1998

44

[IEEE 2007 26th International Conference on Thermoelectrics (ICT 2007) - Jeju Island, South Korea (2007.06.3-2007.06.7)] 2007 26th International Conference on Thermoelectrics - Power generation characteristics of oxide thermoelectric modules incorporating nanostructured ZnO sintered materials

Takeshi Souma,, Michitaka Ohtaki,, Kyohei Ohnishi,, Masayuki Shigeno,, Yasuhiro Ohba,, Toshitada Shimozaki,

Année:

2007

Langue:

english

Fichier:

PDF, 296 KB

english, 2007

45

[IEEE 2006 25th International Conference on Thermoelectrics - Vienna, Austria (2006.08.6-2006.08.10)] 2006 25th International Conference on Thermoelectrics - Fabrication and power generation characteristics of p-NaCo2O4/n-ZnO oxide thermoelectric modules

Souma, Takeshi, Ohtaki, Michitaka, Shigeno, Masayuki, Ohba, Yasuhiro, Nakamura, Norikazu, Shimozaki, Toshitada

Année:

2006

Langue:

english

Fichier:

PDF, 274 KB

english, 2006

46

[IEEE 2006 25th International Conference on Thermoelectrics - Vienna, Austria (2006.08.6-2006.08.10)] 2006 25th International Conference on Thermoelectrics - Relation between zn content and thermoelectric properties of zn4+xsb3 (-0.12⩽x⩽0.12)

Souma, Takeshi, Ohtaki, Michitaka

Année:

2006

Langue:

english

Fichier:

PDF, 693 KB

english, 2006

47

Covalently Immobilized Colloidal Metal Particles as Selective Catalysts for Olefin Hydrogenation

Komiyama, Makoto, Ohtaki, Michitaka, Hirai, Hidefumi

Journal:

Journal of Coordination Chemistry

Année:

1988

Langue:

english

Fichier:

PDF, 199 KB

english, 1988

48

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

Nguyen, Viet-Long, Ohtaki, Michitaka, Ngo, Van Nong, Cao, Minh-Thi, Nogami, Masayuki

Journal:

Advances in Natural Sciences: Nanoscience and Nanotechnology

Année:

2012

Langue:

english

Fichier:

PDF, 928 KB

english, 2012

49

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

Long, Nguyen Viet, Chien, Nguyen Duc, Hayakawa, Tomokatsu, Matsubara, Takashi, Ohtaki, Michitaka, Nogami, Masayuki

Journal:

Journal of Experimental Nanoscience

Année:

2012

Langue:

english

Fichier:

PDF, 1.77 MB

english, 2012

50

p[sub O[sub 2]]-Dependent Nonohmic Current-Voltage Characteristics and Current-Induced Redox Behavior of Junctioned SrTiO[sub 3]

Ohtaki, Michitaka

Journal:

Journal of The Electrochemical Society

Année:

1998

Langue:

english

Fichier:

PDF, 2.21 MB

english, 1998