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Research Output 2002 2019

  • 956 Citations
  • 16 h-Index
  • 57 Article
  • 7 Conference contribution
  • 1 Review article
2019
1 Citation (Scopus)

Effect of ambient oxygen partial pressure on the hydrogen response of SnO2 semiconductor gas sensors

Suematsu, K., Watanabe, K., Yuasa, M., Kida, T. & Shimanoe, K., Jan 1 2019, In : Journal of the Electrochemical Society. 166, 8, p. B618-B622

Research output: Contribution to journalArticle

Chemical sensors
Partial pressure
Hydrogen
Acoustic impedance
Semiconductor materials

Oxygen adsorption on ZrO2-loaded SnO2 gas sensors in humid atmosphere

Suematsu, K., Uchino, H., Mizukami, T., Watanabe, K. & Shimanoe, K., Feb 1 2019, In : Journal of Materials Science. 54, 4, p. 3135-3143 9 p.

Research output: Contribution to journalArticle

Chemical sensors
Oxygen
Adsorption
Sensors
Acoustic impedance
1 Citation (Scopus)
Lanthanum
Silicates
operating temperature
lanthanum
silicates

Ultra-High Sensitive Gas Detection Using Pulse-Driven MEMS Sensor Based on Tin Dioxide

Suematsu, K., Harano, W., Oyama, T., Ma, N., Watanabe, K. & Shimanoe, K., May 2019, ISOEN 2019 - 18th International Symposium on Olfaction and Electronic Nose, Proceedings. Institute of Electrical and Electronics Engineers Inc., 8823211. (ISOEN 2019 - 18th International Symposium on Olfaction and Electronic Nose, Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tin dioxide
dioxides
microelectromechanical systems
MEMS
tin
2018
1 Citation (Scopus)
Carbon Monoxide
Indium
Electric properties
Oxygen
Adsorption
14 Citations (Scopus)

Effect of humid aging on the oxygen adsorption in SnO2 gas sensors

Suematsu, K., Ma, N., Watanabe, K., Yuasa, M., Kida, T. & Shimanoe, K., Jan 16 2018, In : Sensors (Switzerland). 18, 1, 254.

Research output: Contribution to journalArticle

Chemical sensors
Adsorption
Aging of materials
Gases
Oxygen
13 Citations (Scopus)

Highly Sensitive Ethanol Gas Sensor Using Pyramid-Shaped ZnO Particles with (0001) Basal Plane

Saito, N., Watanabe, K., Haneda, H., Sakaguchi, I. & Shimanoe, K., Apr 5 2018, In : Journal of Physical Chemistry C. 122, 13, p. 7353-7360 8 p.

Research output: Contribution to journalArticle

pyramids
Chemical sensors
Particles (particulate matter)
Ethanol
ethyl alcohol
5 Citations (Scopus)

Pulse-Driven Semiconductor Gas Sensors Toward ppt Level Toluene Detection

Suematsu, K., Harano, W., Oyama, T., Shin, Y., Watanabe, K. & Shimanoe, K., Oct 2 2018, In : Analytical chemistry. 90, 19, p. 11219-11223 5 p.

Research output: Contribution to journalArticle

Toluene
Chemical sensors
Semiconductor materials
Sensors
Volatile Organic Compounds
1 Citation (Scopus)

Quasi-solid-state lithium batteries using bulk-size transparent Li7La3Zr2O12 electrolytes

Sugata, S., Saito, N., Watanabe, A., Watanabe, K., Kim, J. D., Kitagawa, K., Suzuki, Y. & Honma, I., Jun 1 2018, In : Solid State Ionics. 319, p. 285-290 6 p.

Research output: Contribution to journalArticle

Lithium batteries
Hot isostatic pressing
lithium batteries
Electrolytes
hot isostatic pressing
2017
5 Citations (Scopus)

Correlation between High Gas Sensitivity and Dopant Structure in W-doped ZnO

Fukami, S., Taguchi, M., Adachi, Y., Sakaguchi, I., Watanabe, K., Kinoshita, T., Muro, T., Matsushita, T., Matsui, F., Daimon, H. & Suzuki, T. T., Jun 28 2017, In : Physical Review Applied. 7, 6, 064029.

Research output: Contribution to journalArticle

photoelectrons
gases
angular distribution
diffraction
dichroism
3 Citations (Scopus)

Homoepitaxial diamond chemical vapor deposition for ultra-light doping

Teraji, T., Isoya, J., Watanabe, K., Koizumi, S. & Koide, Y., Nov 1 2017, In : Materials Science in Semiconductor Processing. 70, p. 197-202 6 p.

Research output: Contribution to journalArticle

Diamond
Chemical vapor deposition
Diamonds
diamonds
Doping (additives)
7 Citations (Scopus)

Hydrogen diffusion in the apatite-water system: Fluorapatite parallel to the c-axis

Higashi, Y., Itoh, S., Hashiguchi, M., Sakata, S., Hirata, T., Watanabe, K. & Sakaguchi, I., Jan 1 2017, In : GEOCHEMICAL JOURNAL. 51, 1, p. 115-122 8 p.

Research output: Contribution to journalArticle

Apatites
fluorapatite
apatites
apatite
Hydrogen
10 Citations (Scopus)

Unexpected gas sensing properties of SiO2/SnO2 core-shell nanofibers under dry and humid conditions

Gunji, S., Jukei, M., Shimotsuma, Y., Miura, K., Suematsu, K., Watanabe, K. & Shimanoe, K., Jan 1 2017, In : Journal of Materials Chemistry C. 5, 25, p. 6369-6376 8 p.

Research output: Contribution to journalArticle

Nanofibers
Gases
Nanoparticles
oxidized cellulose
Oxygen
2016
6 Citations (Scopus)

Electrochemical performance of an all-solid-state lithium-oxygen battery under humidified oxygen

Suzuki, Y., Watanabe, K., Sakuma, S. & Imanishi, N., Jun 1 2016, In : Solid State Ionics. 289, p. 72-76 5 p.

Research output: Contribution to journalArticle

Lithium
electric batteries
lithium
Platinum
Oxygen
2 Citations (Scopus)

Evaluation of sensor property for hydrogen and ethanol of zinc-doped tin-dioxide thin films fabricated by RF sputtering

Sakaguchi, I., Saito, N., Watanabe, K., Adachi, Y. & Suzuki, T. T., Jun 1 2016, In : Journal of the Ceramic Society of Japan. 124, 6, p. 714-716 3 p.

Research output: Contribution to journalArticle

Tin dioxide
dioxides
Sputtering
Zinc
Hydrogen
3 Citations (Scopus)

Gas sensing properties of C -axis-oriented Al-incorporated ZnO films epitaxially grown on (112-0) sapphire substrates using pulsed laser deposition

Adachi, Y., Watanabe, K., Saito, N., Sakaguchi, I. & Suzuki, T. T., Jun 1 2016, In : Journal of the Ceramic Society of Japan. 124, 6, p. 668-672 5 p.

Research output: Contribution to journalArticle

Aluminum Oxide
Pulsed laser deposition
Sapphire
pulsed laser deposition
sapphire

High performance of SnO2-based gas sensor by introducing perovskite-type oxides

Shimanoe, K., Ma, N., Oyama, T., Nishibori, M. & Watanabe, K., 2016, Chemical Sensors 12: Chemical and Biological Sensors and Analytical Systems. 16 ed. Electrochemical Society Inc., Vol. 75. p. 31-37 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chemical sensors
Perovskite
MEMS
Heating
Oxides
6 Citations (Scopus)

Influences of high deposition rate on LiCoO2 epitaxial films prepared by pulsed laser deposition

Nishio, K., Ohnishi, T., Osada, M., Ohta, N., Watanabe, K. & Takada, K., Feb 1 2016, In : Solid State Ionics. 285, p. 91-95 5 p.

Research output: Contribution to journalArticle

Epitaxial films
Pulsed laser deposition
Deposition rates
pulsed laser deposition
Annealing
3 Citations (Scopus)

Isotope tracer investigation and ab-initio simulation of anisotropic hydrogen transport and possible multi-hydrogen centers in tin dioxide

Watanabe, K., Sakaguchi, I., Hashiguchi, M., Saito, N., Ross, E. M., Haneda, H., Ohsawa, T. & Ohashi, N., Jun 14 2016, In : Journal of Applied Physics. 119, 22, 225704.

Research output: Contribution to journalArticle

dioxides
tracers
tin
isotopes
hydrogen
3 Citations (Scopus)

Orientation alignment of epitaxial LiCoO2 thin films on vicinal SrTiO3 (100) substrates

Nishio, K., Ohnishi, T., Mitsuishi, K., Ohta, N., Watanabe, K. & Takada, K., Sep 1 2016, In : Journal of Power Sources. 325, p. 306-310 5 p.

Research output: Contribution to journalArticle

Epitaxial films
Crystal orientation
alignment
Thin films
Substrates
10 Citations (Scopus)

Thermally stable SnO2 nanocrystals: Synthesis and application to gas sensors

Yuasa, M., Suematsu, K., Yamada, K., Watanabe, K., Kida, T., Yamazoe, N. & Shimanoe, K., Aug 3 2016, In : Crystal Growth and Design. 16, 8, p. 4203-4208 6 p.

Research output: Contribution to journalArticle

Chemical sensors
Nanocrystals
nanocrystals
sensors
synthesis
2015
9 Citations (Scopus)

Characteristics of discharge products in all-solid-state Li-air batteries

Suzuki, Y., Kami, K., Watanabe, K. & Imanishi, N., Jul 6 2015, In : Solid State Ionics. 278, p. 222-227 6 p., 13707.

Research output: Contribution to journalArticle

Lithium
Discharge (fluid mechanics)
electric batteries
Platinum
Reaction products
16 Citations (Scopus)

Charge compensation by excess oxygen in amorphous In-Ga-Zn-O films deposited by pulsed laser deposition

Orui, T., Herms, J., Hanyu, Y., Ueda, S., Watanabe, K., Sakaguchi, I., Ohashi, N., Hiramatsu, H., Kumomi, H., Hosono, H. & Kamiya, T., Jun 1 2015, In : IEEE/OSA Journal of Display Technology. 11, 6, p. 518-522 5 p., 6898819.

Research output: Contribution to journalArticle

Pulsed laser deposition
pulsed laser deposition
Oxygen
base pressure
impurities
7 Citations (Scopus)

Microscopic and isotope tracer study on the growth of spherical ZnO particles in water-ethylene glycol solvent

Saito, N., Matsumoto, K., Watanabe, K., Hashiguchi, M., Sakaguchi, I. & Haneda, H., Jun 3 2015, In : Crystal Growth and Design. 15, 6, p. 2609-2619 11 p.

Research output: Contribution to journalArticle

Radioactive tracers
Ethylene Glycol
Ethylene glycol
Isotopes
tracers
7 Citations (Scopus)

Oxygen separation from air using Ba0.95La0.05FeO3-δ membranes fitted with porous La1-xSrxFeO3-δ layers

Kida, T., Ninomiya, S., Tatsushiro, H., Watanabe, K., Yuasa, M. & Shimanoe, K., Jul 1 2015, In : Ceramics International. 41, 6, p. 7830-7835 6 p.

Research output: Contribution to journalArticle

Oxygen
Membranes
Air
Catalysts
Permeation
66 Citations (Scopus)

Transparent cubic garnet-type solid electrolyte of Al2O3-doped Li7La3Zr2O12

Suzuki, Y., Kami, K., Watanabe, K., Watanabe, A., Saito, N., Ohnishi, T., Takada, K., Sudo, R. & Imanishi, N., Jun 25 2015, In : Solid State Ionics. 278, p. 172-176 5 p.

Research output: Contribution to journalArticle

hot isostatic pressing
Hot isostatic pressing
Solid electrolytes
Garnets
solid electrolytes
2014
3 Citations (Scopus)

Annealing effect on microstructure of ZnO nano-particulate films and VOC gas sensing property

Saito, N., Watanabe, K., Aubert, T., Grasset, F., Sakaguchi, I. & Haneda, H., Apr 2014, In : Journal of the Ceramic Society of Japan. 122, 1424, p. 267-270 4 p.

Research output: Contribution to journalArticle

Volatile Organic Compounds
volatile organic compounds
Volatile organic compounds
particulates
Gases
2 Citations (Scopus)

Development of microscopy for lithium analysis using medium-energy ion-stimulated desorption

Kobayashi, T., Kamoshida, A., Akiyama, H., Watanabe, K., Ohnishi, T., Takada, K. & Suzuki, T. T., Oct 1 2014, In : Applied Physics Express. 7, 10, 106601.

Research output: Contribution to journalArticle

Desorption
Microscopic examination
Lithium
lithium
desorption
11 Citations (Scopus)

Effect of crystalline polarity on microstructure and optoelectronic properties of gallium-doped zinc oxide films deposited onto glass substrates

Ogino, T., Williams, J. R., Watanabe, K., Sakaguchi, I., Hishita, S., Haneda, H., Adachi, Y., Ohgaki, T. & Ohashi, N., Feb 3 2014, In : Thin Solid Films. 552, p. 56-61 6 p.

Research output: Contribution to journalArticle

Zinc Oxide
Gallium
Zinc oxide
zinc oxides
Optoelectronic devices
1 Citation (Scopus)

Effects of dielectric film surface on oxygen diffusion

Suzuki, J., Matsumoto, K., Ryu, M., Iwazaki, Y., Suzuki, T., Watanabe, K., Hashiguchi, M., Sakaguchi, I. & Ohashi, N., Jan 1 2014, In : Journal of the Ceramic Society of Japan. 122, 1426, p. 410-414 5 p.

Research output: Contribution to journalArticle

Dielectric films
diffusivity
Oxygen
yttria-stabilized zirconia
oxygen
13 Citations (Scopus)

Hydrogen in tin dioxide films and bulk ceramics: An attempt to identify the most hidden impurity

Watanabe, K., Hashiguchi, M., Sakaguchi, I., Bryant, A., Adachi, Y., Zhen, Y., Ohgaki, T., Ohsawa, T., Haneda, H. & Ohashi, N., Jan 27 2014, In : Applied Physics Letters. 104, 4, 042110.

Research output: Contribution to journalArticle

dioxides
tin
ceramics
impurities
hydrogen
2 Citations (Scopus)

Investigation of charge compensation in indium-doped tin dioxide by hydrogen insertion via annealing under humid conditions

Watanabe, K., Ohsawa, T., Sakaguchi, I., Bierwagen, O., White, M. E., Tsai, M. Y., Takahashi, R., Ross, E. M., Adachi, Y., Speck, J. S., Haneda, H. & Ohashi, N., Mar 31 2014, In : Applied Physics Letters. 104, 13, 132110.

Research output: Contribution to journalArticle

dioxides
indium
insertion
tin
annealing
1 Citation (Scopus)

Oxygen diffusion in rare-earth doped BaTiO3 ceramics

Sakaguchi, I., Hirose, S., Furuta, T., Watanabe, K., Kageyama, K., Hishita, S., Haneda, H. & Ohashi, N., Jan 1 2014, Electroceramics in Japan XVI. p. 189-193 5 p. (Key Engineering Materials; vol. 582).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Chemical mechanical polishing
Rare earths
Oxygen
Polishing
Defects
35 Citations (Scopus)

Roles of hydrogen in amorphous oxide semiconductor In-Ga-Zn-O: Comparison of conventional and ultra-high-vacuum sputtering

Miyase, T., Watanabe, K., Sakaguchi, I., Ohashi, N., Domen, K., Nomura, K., Hiramatsu, H., Kumomi, H., Hosono, H. & Kamiya, T., Jan 1 2014, In : ECS Journal of Solid State Science and Technology. 3, 9, p. Q3085-Q3090

Research output: Contribution to journalArticle

Amorphous semiconductors
Ultrahigh vacuum
Sputtering
Hydrogen
Impurities
9 Citations (Scopus)

Solvothermal synthesis of ZnO spherical particles and VOC sensor application

Saito, N., Matsumoto, K., Watanabe, K., Aubert, T., Grasset, F., Sakaguchi, I. & Haneda, H., Jun 2014, In : Journal of the Ceramic Society of Japan. 122, 1426, p. 488-491 4 p.

Research output: Contribution to journalArticle

Volatile Organic Compounds
Ethylene Glycol
volatile organic compounds
Ethylene glycol
Volatile organic compounds
2013
35 Citations (Scopus)

Dynamic breathing of co2 by hydrotalcite

Ishihara, S., Sahoo, P., Deguchi, K., Ohki, S., Tansho, M., Shimizu, T., Labuta, J., Hill, J. P., Ariga, K., Watanabe, K., Yamauchi, Y., Suehara, S. & Iyi, N., Dec 4 2013, In : Journal of the American Chemical Society. 135, 48, p. 18040-18043 4 p.

Research output: Contribution to journalArticle

hydrotalcite
Carbonates
Carbon Cycle
Respiration
Anions
15 Citations (Scopus)

Electrical properties of scandium nitride epitaxial films grown on (100) magnesium oxide substrates by molecular beam epitaxy

Ohgaki, T., Watanabe, K., Adachi, Y., Sakaguchi, I., Hishita, S., Ohashi, N. & Haneda, H., Sep 7 2013, In : Journal of Applied Physics. 114, 9, 093704.

Research output: Contribution to journalArticle

magnesium oxides
scandium
nitrides
molecular beam epitaxy
electrical properties
48 Citations (Scopus)

Enhanced ethanol-gas sensing performance of Ce-doped SnO2 hollow nanofibers prepared by electrospinning

Mohanapriya, P., Segawa, H., Watanabe, K., Watanabe, K., Samitsu, S., Natarajan, T. S., Jaya, N. V. & Ohashi, N., Sep 9 2013, In : Sensors and Actuators, B: Chemical. 188, p. 872-878 7 p.

Research output: Contribution to journalArticle

fiber composites
Electrospinning
Nanofibers
hollow
Ethanol

Oxygen tracer diffusion in a-axis oriented ZnO thin films grown on (011 2) sapphire by pulsed laser deposition

Sakaguchi, I., Watanabe, K., Adachi, Y., Ohgaki, T., Hishita, S., Ohashi, N. & Haneda, H., Sep 11 2013, Electroceramics in Japan XV. p. 266-270 5 p. (Key Engineering Materials; vol. 566).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Aluminum Oxide
Pulsed laser deposition
Sapphire
Oxygen
Thin films
2 Citations (Scopus)

Oxygen tracer diffusion in BaTiO3 ceramics - Effect of Zr impurity from planetary ball milling

Watanabe, K., Sakaguchi, I., Hishita, S., Haneda, H. & Ohashi, N., Sep 11 2013, Electroceramics in Japan XV. p. 262-265 4 p. (Key Engineering Materials; vol. 566).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Ball milling
Grain boundaries
Impurities
Oxygen
Oxygen vacancies
22 Citations (Scopus)

Surface reactivity and oxygen migration in amorphous indium-gallium-zinc oxide films annealed in humid atmosphere

Watanabe, K., Lee, D. H., Sakaguchi, I., Nomura, K., Kamiya, T., Haneda, H., Hosono, H. & Ohashi, N., Nov 11 2013, In : Applied Physics Letters. 103, 20, 201904.

Research output: Contribution to journalArticle

gallium oxides
zinc oxides
indium
oxide films
reactivity
2012
3 Citations (Scopus)

Evaluation of zinc self-diffusion at the interface between homoepitaxial ZnO thin films and (0001) ZnO substrates

Watanabe, K., Matsumoto, K., Adachi, Y., Ohgaki, T., Nakagawa, T., Ohashi, N., Haneda, H. & Sakaguchi, I., Oct 1 2012, In : Solid State Communications. 152, 20, p. 1917-1920 4 p.

Research output: Contribution to journalArticle

Zinc
zinc
Thin films
evaluation
single crystals
4 Citations (Scopus)

Nazca Lines by la ordering in La 2/3-xLi 3xTiO 3 ion-conductive perovskite

Mitsuishi, K., Ohnishi, T., Tanaka, Y., Watanabe, K., Sakaguchi, I., Ishida, N., Takeguchi, M., Ohno, T., Fujita, D. & Takada, K., Aug 13 2012, In : Applied Physics Letters. 101, 7, 073903.

Research output: Contribution to journalArticle

ions
defects
energy dissipation
electron energy
conductivity
5 Citations (Scopus)

Oxygen diffusion phenomena and hydrogen incorporation in reducing BaTiO 3 ceramics doped with ho below solubility limit

Sakaguchi, I., Watanabe, K., Hishita, S., Ohashi, N. & Haneda, H., Oct 1 2012, In : Japanese Journal of Applied Physics. 51, 10, 101801.

Research output: Contribution to journalArticle

solubility
Solubility
ceramics
Hydrogen
Oxygen
2011
1 Citation (Scopus)

Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide

Watanabe, K., Kida, T., Sakaguchi, I., Ohashi, N., Shimanoe, K. & Haneda, H., Jul 26 2011, Electroceramics in Japan XIV. p. 141-144 4 p. (Key Engineering Materials; vol. 485).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Perovskite
Oxides
Annealing
Oxygen
Grain boundaries
40 Citations (Scopus)

Self-organized core-shell structure for high-power electrode in solid-state lithium batteries

Xu, X., Takada, K., Watanabe, K., Sakaguchi, I., Akatsuka, K., Hang, B. T., Ohnishi, T. & Sasaki, T., Sep 13 2011, In : Chemistry of Materials. 23, 17, p. 3798-3804 7 p.

Research output: Contribution to journalArticle

Lithium batteries
Annealing
Electrodes
Substitution reactions
Solid electrolytes
4 Citations (Scopus)

Simultaneous diffusion of oxygen tracer and lithium impurity in aluminum doped zinc oxide

Sakaguchi, I., Watanabe, K., Adachi, Y., Ohgaki, T., Hishita, S., Ohashi, N. & Haneda, H., Dec 1 2011, In : Japanese journal of applied physics. 50, 12, 125501.

Research output: Contribution to journalArticle

Zinc oxide
zinc oxides
tracers
Lithium
lithium
11 Citations (Scopus)

Visualization of grain boundary as blocking layer for oxygen tracer diffusion and a proposed defect model in non doped BaTiO3 ceramics

Watanabe, K., Sakaguchi, I., Hishita, S., Ohashi, N. & Haneda, H., May 1 2011, In : Applied Physics Express. 4, 5

Research output: Contribution to journalArticle

tracers
Grain boundaries
Visualization
grain boundaries
ceramics
2010
7 Citations (Scopus)

Development of ZnO-based surface plasmon resonance gas sensor and analysis of UV irradiation effect on NO2 desorption from ZnO thin films

Watanabe, K., Matsumoto, K., Ohgaki, T., Sakaguchi, I., Ohashi, N., Hishita, S. & Haneda, H., Jan 1 2010, In : Journal of the Ceramic Society of Japan. 118, 1375, p. 193-196 4 p.

Research output: Contribution to journalArticle

Gas fuel analysis
Surface plasmon resonance
Chemical sensors
surface plasmon resonance
Desorption
28 Citations (Scopus)

High oxygen permeation in Ba0.95La0.05FeO 3-δ membranes with surface modification

Kida, T., Ninomiya, S., Watanabe, K., Yamazoe, N. & Shimanoe, K., Oct 27 2010, In : ACS Applied Materials and Interfaces. 2, 10, p. 2849-2853 5 p.

Research output: Contribution to journalArticle

Permeation
Surface treatment
Oxygen
Membranes
Abrasion