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• Article

  High-speed visualization of metal oxide precursor in thermal plasma flow during nanoparticle formation

  Tanaka, M., Saito, Y., Nawata, Y. & Watanabe, T., Jan 1 2019, In: Journal of Fluid Science and Technology. 14, 3

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Plasma flow
  • Plasma Gases
  • Aluminum Oxide
  • Oxides
  • Aluminum
  2 Citations (Scopus)

• In-flight melting behavior of different glass raw materials by hybrid heating of twelve-phase ac arc with oxygen burner

  Liu, Y., Tsuruoka, Y., Tanaka, M., Ichihashi, T., Yano, T. & Watanabe, T., Aug 1 2011, In: Thin Solid Films. 519, 20, p. 7005-7008 4 p.

  Research output: Contribution to journal › Article › peer-review

  • burners
  • Fuel burners
  • Melting
  • Raw materials
  • flight
  11 Citations (Scopus)

• In-flight melting behavior of granulated alkali-free raw material in induction thermal plasmas

  Yao, Y. & Watanabe, T., Sep 18 2013, In: Plasma Chemistry and Plasma Processing. 33, 6, p. 1111-1119 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • Alkalies
  • thermal plasmas
  • Vitrification
  • alkalies

• In-flight Particle Measurement of Alkali-Free Glass Raw Materials in 12-Phase AC Arc Plasma

  Liu, Y., Tanaka, M., Choi, S. & Watanabe, T., Sep 2012, In: Journal of Thermal Spray Technology. 21, p. 863-872 10 p.

  Research output: Contribution to journal › Article › peer-review

• Influence of niobium doping on phase composition and defect-mediated photoluminescence properties of Eu³⁺-doped TiO₂ nanopowders synthesized in Ar/O₂ thermal plasma

  Zhang, C., Uchikoshi, T., Li, J. G., Watanabe, T. & Ishigaki, T., Sep 8 2011, In: Journal of Alloys and Compounds. 509, 36, p. 8944-8951 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Niobium
  • Photoluminescence
  • Plasma Gases
  • titanium dioxide
  • Phase composition
  4 Citations (Scopus)

• Investigation of arc behavior and temperature distribution corresponding to electrode and phase configurations in a multiphase AC arc

  Okuma, T., Maruyama, H., Imatsuji, T., Hashizume, T., Nagai, H., Koiwasaki, T., Tanaka, M. & Watanabe, T., 2020, In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 53, 9, p. 509-515 7 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Temperature distribution
  • Electrodes
  • High speed cameras
  • Bandpass filters
  • Temperature

• Investigation of Arc Behavior and Temperature Distribution Corresponding to Electrode and Phase Configurations in a Multiphase AC Arc

  Okuma, T., Maruyama, H., Imatsuji, T., Hashizume, T., Nagai, H., Koiwasaki, T., Tanaka, M. & Watanabe, T., Sep 2020, In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 53, 9, p. 509-515 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Temperature distribution
  • Electrodes
  • High speed cameras
  • Bandpass filters
  • Temperature

• Investigation of Droplet Ejection Mechanism from Electrode in Multi-Phase AC Arc

  Hashizume, T., Tanaka, M. & Watanabe, T., 2015, In: QUARTERLY JOURNAL OF THE JAPAN WELDING SOCIETY. 33, 2, p. 44s-48s

  Research output: Contribution to journal › Article › peer-review

• Investigation of electrode erosion mechanism in Ar-N₂DC arc based on visualization of electrode phenomena

  Sakura, N., Yoshida, M., Tanaka, M. & Watanabe, T., Nov 2020, In: Japanese journal of applied physics. 59, 11, 116001.

  Research output: Contribution to journal › Article › peer-review

  • Erosion
  • Cathodes
  • erosion
  • arcs
  • cathodes

• Investigation of erosion mechanism of tungsten-based cathode in Ar-N₂ DC arc

  Sakura, N., Yoshida, M., Tanaka, M. & Watanabe, T., Jul 26 2019, In: Journal of Physics D: Applied Physics. 52, 40, 404002.

  Research output: Contribution to journal › Article › peer-review

  • Tungsten
  • Erosion
  • Cathodes
  • erosion
  • tungsten
  5 Citations (Scopus)

• Investigation of multiphase ac arc behavior by high-speed video observation

  Tanaka, M., Tsuruoka, Y., Liu, Y., Matsuura, T. & Watanabe, T., Nov 1 2011, In: IEEE Transactions on Plasma Science. 39, 11 PART 1, p. 2904-2905 2 p., 5779751.

  Research output: Contribution to journal › Article › peer-review

  • arcs
  • high speed
  • arc discharges
  • transformers
  • flight
  14 Citations (Scopus)

• Investigation of temperature characteristics of multiphase AC arc by high-speed visualization

  Tanaka, M., Imatsuji, T., Hashizume, T., Watanabe, T., Nagai, H., Koiwasaki, T. & Okuma, T., 2017, In: Journal of Fluid Science and Technology. 12, 3

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • Visualization
  • Plasmas
  • Hot Temperature
  • Temperature
  7 Citations (Scopus)

• LiNiMn-oxide nanoparticle synthesis by induction thermal plasmas for lithium ion battery electrode

  Sone, H., Yoshida, S., Tanaka, M. & Watanabe, T., Sep 2020, In: Journal of the Ceramic Society of Japan. 128, 9, p. 635-640 6 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Plasma Gases
  • Oxides
  • thermal plasmas
  • manganese oxide
  • Lithium-ion batteries

• Li–Ni–Mn-oxide nanoparticle synthesis by induction thermal plasmas for lithium ion battery electrode

  Sone, H., Yoshida, S., Tanaka, M. & Watanabe, T., Sep 2020, In: Journal of the Ceramic Society of Japan. 128, 9, p. 635-640 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • Oxides
  • thermal plasmas
  • manganese oxide
  • Lithium-ion batteries

• Liquid exfoliation graphene sheets as catalysts for hybrid sodium-air cells

  Liang, F., Watanabe, T., Hayashi, K., Yao, Y., Ma, W., Bin Yang, Y. & Dai, Y., Jan 15 2017, In: Materials Letters. 187, p. 32-35 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Graphite
  • Graphene
  • Sodium
  • catalysts
  • sodium
  12 Citations (Scopus)

• Liquid waste decomposition by long DC arc under atmospheric pressure

  Li, T., Watanabe, T., Ochi, K. & Otsuki, K., Sep 1 2013, In: Chemical Engineering Journal. 231, p. 155-162 8 p.

  Research output: Contribution to journal › Article › peer-review

  • diphenyl
  • liquid waste
  • Atmospheric pressure
  • Byproducts
  • atmospheric pressure
  5 Citations (Scopus)

• Magnetically driven rotation of thermal plasma jet for non-degradable CF ₄ treatment

  Choi, S., Hong, S. H., Kim, S., Park, D. W. & Watanabe, T., Nov 15 2012, In: Thin Solid Films. 523, p. 55-62 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma jets
  • Plasma Gases
  • thermal plasmas
  • plasma jets
  • Magnetic fields
  2 Citations (Scopus)

• Mechanism of enhanced vaporization from molten metal surface by argon-hydrogen Arc plasma

  Tanaka, M. & Watanabe, T., Jan 1 2013, In: Japanese journal of applied physics. 52, 7 PART 1, 076201.

  Research output: Contribution to journal › Article › peer-review

  • Vaporization
  • Argon
  • Liquid metals
  • metal surfaces
  • plasma jets
  10 Citations (Scopus)

• Mechanisms of decomposition of organic compounds by water plasmas at atmospheric pressure

  Narengerile, Nishioka, H. & Watanabe, T., Aug 1 2011, In: Japanese journal of applied physics. 50, 8 PART 2, 08JF13.

  Research output: Contribution to journal › Article › peer-review

  • Organic compounds
  • organic compounds
  • Atmospheric pressure
  • Acetone
  • Plasmas
  6 Citations (Scopus)

• Microstructure of batiO ₃bi(Mg _1/2Ti _1/2)O ₃-bifeo3 piezoelectric ceramics

  Yabuta, H., Shimada, M., Watanabe, T., Hayashi, J., Kubota, M., Miura, K., Fukui, T., Fujii, I. & Wada, S., Sep 1 2012, In: Japanese journal of applied physics. 51, 9 PART 2, 09LD04.

  Research output: Contribution to journal › Article › peer-review

  • Piezoelectric ceramics
  • piezoelectric ceramics
  • Polarization
  • Microstructure
  • microstructure
  43 Citations (Scopus)

• Numerical analysis of temperature distribution in the long DC arc thermal plasma for waste treatment

  Choi, S., Li, T. M., Watanabe, T., Nakayama, T. & Otsuki, K., Mar 28 2013, In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 46, 3, p. 201-208 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • Waste treatment
  • Plasmas
  • Numerical analysis
  • Temperature distribution
  2 Citations (Scopus)

• Numerical investigation on counter flow injection of waste gas into thermal plasma jet

  Choi, S., Choi, K. S., Park, D. W. & Watanabe, T., Jul 20 2012, In: International Journal of Plasma Environmental Science and Technology. 6, 1, p. 68-73 6 p.

  Research output: Contribution to journal › Article › peer-review

  • waste gas
  • plasma
  • gas flow
  • waste gas treatment
  • flow field
  2 Citations (Scopus)

• Phase composition and magnetic properties of niobiumiron codoped TiO ₂ nanoparticles synthesized in Ar/O₂ radio-frequency thermal plasma

  Zhang, C., Ikeda, M., Isobe, M., Uchikoshi, T., Li, J. G., Watanabe, T. & Ishigaki, T., Sep 1 2011, In: Journal of Solid State Chemistry. 184, 9, p. 2525-2532 8 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • titanium dioxide
  • Magnetic properties
  • thermal plasmas
  • Phase composition
  2 Citations (Scopus)

• Photocatalytic performance of iron (III) and niobium (V)-codoped TiO ₂ nanopowders synthesized by a radio frequency thermal plasma process

  Zhang, C. N., Ikeda, M., Uchikoshi, T., Li, J. G., Watanabe, T. & Ishigaki, T., Aug 1 2011, In: Thin Solid Films. 519, 20, p. 6940-6943 4 p.

  Research output: Contribution to journal › Article › peer-review

  • Niobium
  • Plasma Gases
  • titanium dioxide
  • thermal plasmas
  • rutile
  2 Citations (Scopus)

• Plasma jet characteristics in long DC arc with ring-shaped anode

  Tanaka, M., Soeda, H., Watanabe, T. & Koga, T., 2018, In: Journal of Fluid Science and Technology. 13, 4

  Research output: Contribution to journal › Article › peer-review

  • Plasma jets
  • Anodes
  • High speed cameras
  • Gases
  • Heat losses
  3 Citations (Scopus)

• Power requirements for the construction and operation of a lunar oxygen plant

  Kanamori, H., Watanabe, T. & Aoki, S., Jan 1 2013, In: Journal of Aerospace Engineering. 26, 1, p. 160-168 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Oxygen
  • ilmenite
  • Ilmenite
  • Hydrogen
  • Soils
  2 Citations (Scopus)

• Pplication of synchrotron-based reciprocal-space mapping at a fixed angular position to identification of crystal symmetry of Bi₄Ti ₃O₁₂ epitaxial thin films

  Sakata, O., Watanabe, T. & Funakubo, H., Apr 1 2011, In: Journal of Applied Crystallography. 44, 2, p. 385-391 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Epitaxial films
  • Crystal symmetry
  • Synchrotrons
  • Thin films
  • Organic Chemicals
  2 Citations (Scopus)

• Preparation and dielectric property of (Li_0.12Na _0.88)NbO₃-based solid solutions

  Kumada, N., Ito, N., Miura, A., Takei, T., Wada, S. & Watanabe, T., Jul 2013, In: Journal of the Ceramic Society of Japan. 121, 1415, p. 544-549 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Tungsten
  • Bronze
  • Dielectric properties
  • bronzes
  • Solid solutions

• Preparation of boron-rich aluminum boride nanoparticles by RF thermal plasma

  Choi, S., Matsuo, J., Cheng, Y. & Watanabe, T., 2013, In: Journal of Nanoparticle Research. 15, 8, 1820.

  Research output: Contribution to journal › Article › peer-review

  • aluminum boride
  • Plasma Gases
  • Nanoparticles
  • Boron
  • Borides
  2 Citations (Scopus)

• Preparation of nickel nanoparticles by direct current arc discharge method and their catalytic application in hybrid Na-air battery

  Su, F., Qiu, X., Liang, F., Tanaka, M., Qu, T., Yao, Y., Ma, W., Yang, B., Dai, Y., Hayashi, K. & Watanabe, T., Sep 2018, In: Nanomaterials. 8, 9, 684.

  Research output: Contribution to journal › Article › peer-review

  • Nickel
  • Nanoparticles
  • Anodes
  • Hydrogen
  • Argon
  10 Citations (Scopus)

• Preparation of polyhedral graphite particles by arc discharge under atmospheric pressure

  Liang, F., Shimizu, T., Tanaka, M., Choi, S. & Watanabe, T., Jan 1 2013, In: Japanese journal of applied physics. 52, 1 PART2, 01AK01.

  Research output: Contribution to journal › Article › peer-review

  • arc discharges
  • Atmospheric pressure
  • Graphite
  • atmospheric pressure
  • graphite
  6 Citations (Scopus)

• Preparation of porous structure LiFePO ₄/C composite by template method for lithium-ion batteries

  Liang, F., Yao, Y., Dai, Y., Yang, B., Ma, W. & Watanabe, T., Apr 25 2012, In: Solid State Ionics. 214, p. 31-36 6 p.

  Research output: Contribution to journal › Article › peer-review

  • Lithium-ion batteries
  • electric batteries
  • templates
  • lithium
  • preparation
  17 Citations (Scopus)

• Role of CH, CH ₃, and OH radicals in organic compound decomposition by water plasmas

  Watanabe, T., Narengerile & Nishioka, H., Feb 1 2012, In: Plasma Chemistry and Plasma Processing. 32, 1, p. 123-140 18 p.

  Research output: Contribution to journal › Article › peer-review

  • Organic compounds
  • organic compounds
  • methylidyne
  • Plasmas
  • decomposition
  10 Citations (Scopus)

• Selective preparation of polyhedral graphite particles and multi-wall carbon nanotubes by a transferred arc under atmospheric pressure

  Liang, F., Shimizu, T., Tanaka, M., Choi, S. & Watanabe, T., Nov 1 2012, In: Diamond and Related Materials. 30, p. 70-76 7 p.

  Research output: Contribution to journal › Article › peer-review

  • Graphite
  • Carbon Nanotubes
  • Atmospheric pressure
  • Carbon nanotubes
  • Carbon
  26 Citations (Scopus)

• Size and density estimation from impact track morphology in silica Aerogel: Application to dust from comet 81p/wild 2

  Niimi, R., Kadono, T., Tsuchiyama, A., Okudaira, K., Hasegawa, S., Tabata, M., Watanabe, T., Yagishita, M., MacHii, N., Nakamura, A. M., Uesugi, K., Takeuchi, A. & Nakano, T., Jan 1 2012, In: Astrophysical Journal. 744, 1, 18.

  Research output: Contribution to journal › Article › peer-review

  • Wild 2 comet
  • aerogels
  • comet
  • dust
  • silica
  12 Citations (Scopus)

• Squareness control in polarization-electric field hysteresis curves in rhombohedral pb(zr,ti)o3 films

  Sumi, A., Oikawa, T., Morioka, H., Okamoto, S., Yokoyama, S., Watanabe, T., Ehara, Y. & Funakubo, H., Apr 1 2013, In: Japanese journal of applied physics. 52, 4 PART 2, 04CD09.

  Research output: Contribution to journal › Article › peer-review

  • Hysteresis
  • Electric fields
  • Polarization
  • hysteresis
  • electric fields

• Stability analysis of multi-phase AC arc discharge for in-flight glass melting

  Tanaka, M., Tsuruoka, Y., Liu, Y., Matsuura, T. & Watanabe, T., Sep 1 2011, In: Current Applied Physics. 11, 5 SUPPL., p. S35-S39

  Research output: Contribution to journal › Article › peer-review

  • arc discharges
  • Melting
  • flight
  • alternating current
  • arcs
  13 Citations (Scopus)

• Structural, dielectric, and piezoelectric properties of mn-doped BaTiO ₃-Bi(Mg_1/2Ti_1/2)O₃-BiFeO ₃ ceramics

  Fujii, I., Mitsui, R., Nakashima, K., Kumada, N., Shimada, M., Watanabe, T., Hayashi, J., Yabuta, H., Kubota, M., Fukui, T. & Wada, S., Sep 1 2011, In: Japanese journal of applied physics. 50, 9 PART 3, 09ND07.

  Research output: Contribution to journal › Article › peer-review

  • Perovskite
  • Dielectric properties
  • Structural properties
  • perovskites
  • dielectric properties
  54 Citations (Scopus)

• Structural investigation of ferroelectric BiFeO₃-BaTiO₃solid solutions near the rhombohedral-pseudocubic phase boundary

  Yabuta, H., Watanabe, M., Watanabe, T., Kubota, M., Shimada, M., Koganezawa, T., Hirosawa, I., Kumada, N. & Wada, S., Jun 22 2020, In: Applied Physics Letters. 116, 25, 252902.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • symmetry
  • transmission electron microscopy
  • crystals
  • diffraction
  • solid solutions

• Structural transformation of hexagonal (0001)BaTiO₃ ceramics to tetragonal (111)BaTiO₃ ceramics

  Watanabe, T., Shimada, M., Aiba, T., Yabuta, H., Miura, K., Oka, K., Azuma, M., Wada, S. & Kumada, N., Sep 1 2011, In: Japanese journal of applied physics. 50, 9 PART 3, 09ND01.

  Research output: Contribution to journal › Article › peer-review

  • Perovskite
  • Crystal orientation
  • Powders
  • ceramics
  • Sintering
  17 Citations (Scopus)

• Synthesis of carbon-coated silicon nanoparticles by induction thermal plasma for lithium ion battery

  Zhang, X., Hayashida, R., Tanaka, M. & Watanabe, T., Jun 30 2020, In: Powder Technology. 371, p. 26-36 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • Silicon
  • Lithium-ion batteries
  • Nanoparticles
  • Carbon
  2 Citations (Scopus)

• Synthesis of pure, crystalline (Ba,Sr)TiO₃ nanosized powders in radio frequency induction thermal plasma

  Kobayashi, N., Ishigaki, T., Watanabe, T. & Li, J. G., Sep 1 2011, In: International Journal of Applied Ceramic Technology. 8, 5, p. 1125-1135 11 p.

  Research output: Contribution to journal › Article › peer-review

  • Barium strontium titanate
  • Radio Frequency
  • Plasma Gases
  • Plasma
  • Nitrate
  3 Citations (Scopus)

• Synthesis of titanium boride nanoparticles by induction thermal plasmas

  Cheng, Y. & Watanabe, T., Aug 24 2011, In: JOURNAL OF CHEMICAL ENGINEERING OF JAPAN. 44, 8, p. 583-589 7 p.

  Research output: Contribution to journal › Article › peer-review

  • titanium boride
  • Plasma Gases
  • Borides
  • Nanoparticles
  • Titanium
  11 Citations (Scopus)

• Thermal plasma decomposition of fluorinated greenhouse gases

  Choi, S., Park, D. W. & Watanabe, T., Jun 2012, In: Nuclear Engineering and Technology. 44, 5, p. 21-32 12 p.

  Research output: Contribution to journal › Article › peer-review

  • Greenhouse gases
  • Plasmas
  • Decomposition
  • Hot Temperature
  • Gases
  1 Citation (Scopus)

• Thermal plasma decomposition of fluorinated greenhouse gases

  Choi, S., Park, D. W. & Watanabe, T., Feb 2012, In: Nuclear Engineering and Technology. 44, 1, p. 21-32 12 p.

  Research output: Contribution to journal › Article › peer-review

  • Greenhouse gases
  • Plasmas
  • Decomposition
  • Hot Temperature
  • Gases
  14 Citations (Scopus)

• Thermal plasma synthesis and electrochemical properties of high-voltage LiNi_0.5Mn_1.5O₄ nanoparticles

  Sone, H., Yoshida, S., Tanaka, M. & Watanabe, T., Jan 1 2019, In: Materials Research Express. 7, 1, 015015.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  • Plasma Gases
  • Electrochemical properties
  • Nanoparticles
  • Plasmas
  • Oxygen

• Thermal treatment of Al₂O₃, MgO, and CeO₂ granulated powders by induction thermal plasma: A numerical approach

  Hossain, M. M., Alam, M. R. & Watanabe, T., Jan 1 2013, In: Japanese journal of applied physics. 52, 1 PART2, 01AL01.

  Research output: Contribution to journal › Article › peer-review

  • Cerium oxide
  • thermal plasmas
  • Aluminum oxide
  • Plasmas
  • induction
  2 Citations (Scopus)

• 熱プラズマを用いたナノ粒子の大量合成技術確立に向けて

  Tanaka, M. & Watanabe, T., Jan 1 2019, In: Journal of the Society of Powder Technology, Japan. 56, 8, p. 459-467 9 p.

  Research output: Contribution to journal › Article › peer-review

  • Plasma Gases
  • Nanoparticles
  • Plasmas
  • Hot Temperature
  • Nanostructured materials
  1 Citation (Scopus)