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Research Output 2000 2018

  • 1141 Citations
  • 15 h-Index
  • 84 Article
  • 28 Conference contribution
  • 15 Conference article
2018

Cross-correlation analysis of fluctuations of interactions between nanoparticles and low pressure reactive plasmas

Zhou, R., Mori, K., Ohtomo, H., Yamashita, D., Seo, H., Itagaki, N., Koga, K. & Shiratan, M., Jan 1 2018, THERMEC 2018. Chandra, T., Ionescu, M., Shabadi, R., Richard, C. & Jeandin, M. (eds.). Trans Tech Publications Ltd, p. 2104-2108 5 p. (Materials Science Forum; vol. 941 MSF).

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

Beam plasma interactions
cross correlation
low pressure
Nanoparticles
Plasmas
Open Access
vapor deposition
gases
plasma jets
hollow
deposits

Effects of sputtering pressure on (Zno)x(inn)1-x crystal film growth at 450ºc

Itagaki, N., Takeuchi, K., Miyahara, N., Imoto, K., Seo, H., Koga, K. & Shiratani, M., Jan 1 2018, THERMEC 2018. Shabadi, R., Chandra, T., Ionescu, M., Jeandin, M. & Richard, C. (eds.). Trans Tech Publications Ltd, p. 2093-2098 6 p. (Materials Science Forum; vol. 941 MSF).

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

Film growth
Crystal growth
Sputtering
sputtering
crystals

Morphology Evolution of ZnO Thin Films Deposited by Nitrogen Mediated Crystallization Method

Suhariadi, I., Shiratani, M. & Itagaki, N., Mar 30 2018, In : MATEC Web of Conferences. 159, 02031.

Research output: Contribution to journalConference article

Crystallization
Nitrogen
Thin films
Fractals
Surface morphology

Photoluminescence of (Zno)0.82(inn)0.18 films: Incident light angle dependence

Miyahara, N., Iwasaki, K., Yamashita, D., Nakamura, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jan 1 2018, THERMEC 2018. Jeandin, M., Shabadi, R., Ionescu, M., Chandra, T. & Richard, C. (eds.). Trans Tech Publications Ltd, p. 2099-2103 5 p. (Materials Science Forum; vol. 941 MSF).

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

Photoluminescence
photoluminescence
wurtzite
Energy gap
Crystals
3 Citations (Scopus)
Solar cells
solar cells
Charge transfer
Substrates
charge transfer

The effect of the H2/(H2 + Ar) flow-rate ratio on hydrogenated amorphous carbon films grown using Ar/H2/C7H8 plasma chemical vapor deposition

Fang, T., Yamaki, K., Koga, K., Yamashita, D., Seo, H., Itagaki, N., Shiratani, M., Takenaka, K. & Setsuhara, Y., Aug 30 2018, In : Thin Solid Films. 660, p. 891-898 8 p.

Research output: Contribution to journalArticle

Carbon films
Amorphous carbon
Amorphous films
Chemical vapor deposition
flow velocity
2017
2 Citations (Scopus)

Blue Photoluminescence of (ZnO)0.92(InN)0.08

Matsushima, K., Iwasaki, K., Miyahara, N., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jan 1 2017, In : MRS Advances. 2, 5, p. 277-282 6 p.

Research output: Contribution to journalArticle

Photoluminescence
photoluminescence
Lattice constants
lattice parameters
room temperature
4 Citations (Scopus)

Densities and Surface Reaction Probabilities of Oxygen and Nitrogen Atoms during Sputter Deposition of ZnInON on ZnO

Matsushima, K., Ide, T., Takeda, K., Hori, M., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Feb 2017, In : IEEE Transactions on Plasma Science. 45, 2, p. 323-327 5 p., 7828157.

Research output: Contribution to journalArticle

nitrogen atoms
surface reactions
oxygen atoms
gas flow
atoms
2 Citations (Scopus)

Effects of sputtering gas pressure dependence of surface morphology of ZnO films fabricated via nitrogen mediated crystallization

Iwasaki, K., Matsushima, K., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jan 1 2017, In : MRS Advances. 2, 5, p. 265-270 6 p.

Research output: Contribution to journalArticle

Crystallization
pressure dependence
gas pressure
Surface morphology
Sputtering
2 Citations (Scopus)

Fluctuation of position and energy of a fine particle in plasma nanofabrication

Shiratani, M., Soejima, M., Seo, H., Itagaki, N. & Koga, K., Jan 1 2017, THERMEC 2016. Ionescu, M., Mishra, B., Kozeschnik, E., Sommitsch, C., Chandra, T. & Mishra, B. (eds.). Trans Tech Publications Ltd, p. 1772-1777 6 p. (Materials Science Forum; vol. 879).

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

nanofabrication
Nanotechnology
Electrostatic force
Plasmas
Optical tweezers
1 Citation (Scopus)

Hysteresis in volume fraction of clusters incorporated into a-Si:H films deposited by SiH4 plasma chemical vapor deposition

Toko, S., Torigoe, Y., Keya, K., Kojima, T., Seo, H., Itagaki, N., Koga, K. & Shiratani, M., Oct 15 2017, In : Surface and Coatings Technology. 326, p. 388-394 7 p.

Research output: Contribution to journalArticle

Hysteresis
Chemical vapor deposition
Volume fraction
hysteresis
vapor deposition

Low temperature rapid formation of Au-induced crystalline Ge films using sputtering deposition

Tanami, S., Ichida, D., Hashimoto, S., Seo, H., Yamashita, D., Itagaki, N., Koga, K. & Shiratani, M., Nov 1 2017, In : Thin Solid Films. 641, p. 59-64 6 p.

Research output: Contribution to journalArticle

Sputtering
sputtering
Crystalline materials
Temperature
Quartz

Performance enhancement of quantum dot-sensitized solar cells based on polymer nano-composite catalyst

Seo, H., Gopi, C. V. V. M., Kim, H. J., Itagaki, N., Koga, K. & Shiratani, M., Sep 20 2017, In : Electrochimica Acta. 249, p. 337-342 6 p.

Research output: Contribution to journalArticle

Semiconductor quantum dots
Solar cells
Polymers
Electrodes
Catalysts

Synthesis of nanoparticles using low temperature plasmas and its application to solar cells and tracers in living body

Koga, K., Seo, H., Tanaka, A., Itagaki, N. & Shiratani, M., Jan 1 2017, Plasma Nano Science and Technology. Cvelbar, U. & Mascher, P. (eds.). 3 ed. Electrochemical Society Inc., p. 17-24 8 p. (ECS Transactions; vol. 77, no. 3).

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

Solar cells
Nanoparticles
Plasmas
Temperature
Biotechnology
2016
5 Citations (Scopus)

Correlation between SiH2/SiH and light-induced degradation of p-i-n hydrogenated amorphous silicon solar cells

Keya, K., Kojima, T., Torigoe, Y., Toko, S., Yamashita, D., Seo, H., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2016, In : Japanese Journal of Applied Physics. 55, 7S2, 07LE03.

Research output: Contribution to journalArticle

Silicon solar cells
Amorphous silicon
amorphous silicon
Solar cells
solar cells
5 Citations (Scopus)

Effect of sulfur doped TiO2 on photovoltaic properties of dye-sensitized solar cells

Seo, H., Nam, S. H., Itagaki, N., Koga, K., Shiratani, M. & Boo, J. H., Jul 1 2016, In : Electronic Materials Letters. 12, 4, p. 530-536 7 p.

Research output: Contribution to journalArticle

Sulfur
Photocurrents
Charge transfer
Doping (additives)
Open circuit voltage
4 Citations (Scopus)

Effects of deposition rate and ion bombardment on properties of a-C:H films deposited by H-assisted plasma CVD method

Dong, X., Koga, K., Yamashita, D., Seo, H., Itagaki, N., Shiratani, M., Setsuhara, Y., Sekine, M. & Hori, M., Jan 1 2016, In : Japanese Journal of Applied Physics. 55, 1, 01AA11.

Research output: Contribution to journalArticle

Plasma CVD
Ion bombardment
Deposition rates
bombardment
vapor deposition
5 Citations (Scopus)

Effects of gas flow rate on deposition rate and number of Si clusters incorporated into a-Si:H films

Toko, S., Torigoe, Y., Keya, K., Seo, H., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2016, In : Japanese Journal of Applied Physics. 55, 1, 01AA19.

Research output: Contribution to journalArticle

Deposition rates
gas flow
Flow of gases
flow velocity
Flow rate
1 Citation (Scopus)

Improvement of charge transportation in Si quantum dot-sensitized solar cells using vanadium doped TiO2

Seo, H., Ichida, D., Hashimoto, S., Itagaki, N., Koga, K., Shiratani, M., Nam, S. H. & Boo, J. H., May 1 2016, In : Journal of nanoscience and nanotechnology. 16, 5, p. 4875-4879 5 p.

Research output: Contribution to journalArticle

Quantum Dots
Vanadium
Electric Impedance
Electrons
Particle Size
1 Citation (Scopus)
Optical band gaps
Composite films
Nanoparticles
plasma jets
Chemical vapor deposition
9 Citations (Scopus)

Optoelectronic properties of valence-state-controlled amorphous niobium oxide

Onozato, T., Katase, T., Yamamoto, A., Katayama, S., Matsushima, K., Itagaki, N., Yoshida, H. & Ohta, H., May 10 2016, In : Journal of Physics Condensed Matter. 28, 25, 255001.

Research output: Contribution to journalArticle

Niobium oxide
niobium oxides
Optoelectronic devices
Oxide films
valence
19 Citations (Scopus)
Polymers
counters
solar cells
dyes
Electrodes
1 Citation (Scopus)

Quantum characterization of si nano-particles fabricated by multi-hollow discharge plasma chemical vapor deposition

Seo, H., Uchida, G., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2016, In : Science of Advanced Materials. 8, 3, p. 636-639 4 p.

Research output: Contribution to journalArticle

Semiconductor quantum dots
Chemical vapor deposition
Plasmas
Quantum efficiency
Amorphous films
2 Citations (Scopus)

Relationship between electric properties and surface flatness of (ZnO)x(InN)1-x films on ZnO templates

Matsushima, K., Shiratani, M. & Itagaki, N., Nov 21 2016, 16th International Conference on Nanotechnology - IEEE NANO 2016. Institute of Electrical and Electronics Engineers Inc., p. 674-675 2 p. 7751421. (16th International Conference on Nanotechnology - IEEE NANO 2016).

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

flatness
Electric properties
templates
electrical properties
Electron mobility
4 Citations (Scopus)

Room Temperature Fabrication of (ZnO)x(InN)1-x films with Step-Terrace Structure by RF Magnetron Sputtering

Matsushima, K., Ide, T., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jan 1 2016, In : MRS Advances. 1, 2, p. 115-119 5 p.

Research output: Contribution to journalArticle

Magnetron sputtering
magnetron sputtering
Fabrication
fabrication
room temperature
34 Citations (Scopus)

Simple method of improving harvest by nonthermal air plasma irradiation of seeds of Arabidopsis thaliana (L.)

Koga, K., Thapanut, S., Amano, T., Seo, H., Itagaki, N., Hayashi, N. & Shiratani, M., Jan 2016, In : Applied Physics Express. 9, 1, 016201.

Research output: Contribution to journalArticle

Seed
seeds
Irradiation
Plasmas
irradiation
2 Citations (Scopus)

Surface Modification of Polymer Counter Electrode for Low Cost Dye-sensitized Solar Cells

Seo, H., Son, M., Hashimoto, S., Takasaki, T., Itagaki, N., Koga, K. & Shiratani, M., Aug 20 2016, In : Electrochimica Acta. 210, p. 880-887 8 p.

Research output: Contribution to journalArticle

Surface treatment
Polymers
Electrodes
Costs
Dye-sensitized solar cells
2015
9 Citations (Scopus)

Effects of cluster incorporation into hydrogenated amorphous silicon films in initial discharge phase on film stability

Toko, S., Torigoe, Y., Chen, W., Yamashita, D., Seo, H., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2015, In : Thin Solid Films. 587, p. 126-131 6 p.

Research output: Contribution to journalArticle

silicon films
Amorphous silicon
amorphous silicon
cells
Degradation

Effects of morphology of buffer layers on ZnO/sapphire heteroepitaxial growth by RF magnetron sputtering

Ide, T., Matsushima, K., Shimizu, R., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jan 1 2015, In : Materials Research Society Symposium Proceedings. 1741, January, p. 41-46 6 p.

Research output: Contribution to journalConference article

Aluminum Oxide
Buffer layers
Epitaxial growth
Sapphire
Magnetron sputtering
1 Citation (Scopus)

Fabrication of p-i-n solar cells utilizing ZnlnON by RF magnetron sputtering

Matsushima, K., Shimizu, R., Ide, T., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jan 1 2015, In : Materials Research Society Symposium Proceedings. 1741, January, p. 53-57 5 p.

Research output: Contribution to journalConference article

Magnetron sputtering
Solar cells
magnetron sputtering
solar cells
Fabrication
7 Citations (Scopus)

Fabrication of ZnInON/ZnO multi-quantum well solar cells

Matsushima, K., Shimizu, R., Ide, T., Yamashita, D., Seo, H., Koga, K., Shiratani, M. & Itagaki, N., Jul 31 2015, In : Thin Solid Films. 587, p. 106-111 6 p.

Research output: Contribution to journalArticle

Semiconductor quantum wells
solar simulators
Solar cells
solar cells
quantum wells
2 Citations (Scopus)

Photovoltaic application of Si nanoparticles fabricated by multihollow plasma discharge CVD:Dye and Si co-sensitized solar cells

Seo, H., Ichida, D., Hashimoto, S., Uchida, G., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2015, In : Japanese Journal of Applied Physics. 54, 1 Supplement, 01AD02.

Research output: Contribution to journalArticle

plasma jets
Chemical vapor deposition
Solar cells
Dyes
solar cells
1 Citation (Scopus)

Real-time mass measurement of dust particles deposited on vessel wall in a divertor simulator using quartz crystal microbalances

Tateishi, M., Koga, K., Katayama, R., Yamashita, D., Kamataki, K., Seo, H., Itagaki, N., Shiratani, M., Ashikawa, N., Masuzaki, S., Nishimura, K. & Sagara, A., Jul 22 2015, In : Journal of Nuclear Materials. 463, p. 865-868 4 p., 48546.

Research output: Contribution to journalArticle

Quartz crystal microbalances
quartz crystals
microbalances
Particles (particulate matter)
simulators
5 Citations (Scopus)

Structural alternation of tandem dye-sensitized solar cells based on mesh-type of counter electrode

Seo, H., Hashimoto, S., Ichida, D., Itagaki, N., Koga, K. & Shiratani, M., Oct 10 2015, In : Electrochimica Acta. 179, p. 206-210 5 p.

Research output: Contribution to journalArticle

Electrodes
Oxides
Dye-sensitized solar cells
Fabrication
Light absorption

ZnO-based semiconductors with tunable band gap for solar sell applications

Itagaki, N., Matsushima, K., Yamashita, D., Seo, H., Koga, K. & Shiratani, M., Jan 1 2015, Oxide-Based Materials and Devices VI. Teherani, F. H., Look, D. C. & Rogers, D. J. (eds.). SPIE, Vol. 9364. 93640P

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

Carrier lifetime
Band Gap
Semiconductors
Energy gap
Semiconductor materials
2014
5 Citations (Scopus)

Analysis on the photovoltaic property of Si quantum dot-sensitized solar cells

Seo, H., Ichida, D., Uchida, G., Kamataki, K., Itagaki, N., Koga, K. & Shiratani, M., Feb 1 2014, In : International Journal of Precision Engineering and Manufacturing. 15, 2, p. 339-343 5 p.

Research output: Contribution to journalArticle

Semiconductor quantum dots
Solar cells
Paint
Light absorption
Chemical vapor deposition

Contribution of H2 plasma etching to radial profile of amount of dust particles in a divertor simulator

Tateishi, M., Koga, K., Yamashita, D., Kamataki, K., Seo, H., Itagaki, N., Shiratani, M., Ashikawa, N., Masuzaki, S., Nishimura, K. & Sagara, A., Jan 1 2014, In : Journal of Physics: Conference Series. 518, 1, 012009.

Research output: Contribution to journalConference article

plasma etching
simulators
dust
profiles
flakes
1 Citation (Scopus)

Contribution of ionic precursors to deposition rate of a-Si:H films fabricated by plasma CVD

Toko, S., Hashimoto, Y., Kanemitu, Y., Torigoe, Y., Seo, H., Uchida, G., Kamataki, K., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2014, In : Journal of Physics: Conference Series. 518, 1, 012008.

Research output: Contribution to journalConference article

vapor deposition
grids
plasma jets
hollow
direct current
3 Citations (Scopus)

Deposition of crystalline Ge nanoparticle films by high-pressure RF magnetron sputtering method

Ichida, D., Uchida, G., Seo, H., Kamataki, K., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2014, In : Journal of Physics: Conference Series. 518, 1, 012002.

Research output: Contribution to journalConference article

magnetron sputtering
nanoparticles
frequency shift
gas mixtures
crystallinity
3 Citations (Scopus)

Effects of filter gap of cluster-eliminating filter on cluster eliminating efficiency

Hashimoto, Y., Toko, S., Yamashita, D., Seo, H., Kamataki, K., Itagaki, N., Koga, K. & Shiratani, M., Jan 1 2014, In : Journal of Physics: Conference Series. 518, 1, 012007.

Research output: Contribution to journalConference article

filters
film thickness
amorphous silicon
nanoparticles
hydrogen
5 Citations (Scopus)

Electrochemical impedance analysis on the additional layers for the enhancement on the performance of dye-sensitized solar cell

Seo, H., Son, M. K., Park, S., Jeong, M., Kim, H. J., Uchida, G., Itagaki, N., Koga, K. & Shiratani, M., Mar 3 2014, In : Thin Solid Films. 554, p. 122-126 5 p.

Research output: Contribution to journalArticle

Light scattering
solar cells
dyes
impedance
Electrolytes
1 Citation (Scopus)

Emission spectroscopy of Ar + H2 + C7H8 plasmas: C7H8 flow rate dependence and pressure dependence

Dong, X., Koga, K., Yamashita, D., Seo, H., Itagaki, N., Shiratani, M., Setsuhara, Y., Sekine, M. & Hori, M., Jan 1 2014, In : Journal of Physics: Conference Series. 518, 1, 012010.

Research output: Contribution to journalConference article

magnetohydrodynamic flow
pressure dependence
flow velocity
spectroscopy
toluene
2 Citations (Scopus)

Growth mechanism of ZnO deposited by nitrogen mediated crystallization

Suhariadi, I., Shiratani, M. & Itagaki, N., Sep 1 2014, In : Materials Research Express. 1, 3, 036403.

Research output: Contribution to journalArticle

Crystallization
Nitrogen
Nucleation
Buffer layers
Zinc Oxide
2 Citations (Scopus)

Infrared plasmonics via ZnO

Allen, J. W., Allen, M. S., Look, D. C., Wenner, B. R., Itagaki, N., Matsushima, K. & Surhariadi, I., Jul 6 2014, In : Journal of Nano Research. 28, p. 109-119 11 p.

Research output: Contribution to journalArticle

Metals
Infrared radiation
metals
Quartz
Buffer layers
2 Citations (Scopus)

Nanostructure control of Si and Ge quantum dots based solar cells using plasma processes

Shiratani, M., Uchida, G., Seo, H. W., Ichida, D., Koga, K., Itagaki, N. & Kamataki, K., 2014, THERMEC 2013. Trans Tech Publications Ltd, Vol. 783-786. p. 2022-2027 6 p. (Materials Science Forum; vol. 783-786).

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

Semiconductor quantum dots
Nanostructures
Solar cells
solar cells
quantum dots
1 Citation (Scopus)

Off-axis sputter deposition of ZnO films on c-sapphire substrates with buffer layers prepared via nitrogen-mediated crystallization

Itagaki, N., Matsushima, K., Yamashita, D., Seo, H., Koga, K. & Shiratani, M., Jan 1 2014, Oxide-Based Materials and Devices V. SPIE, 89871A. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 8987).

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

Sputter deposition
Aluminum Oxide
Sapphire
Buffer layers
Crystallization
3 Citations (Scopus)

Performance dependence of Si quantum dot-sensitized solar cells on counter electrode

Seo, H., Ichida, D., Uchida, G., Itagaki, N., Koga, K. & Shiratani, M., May 2014, In : Japanese Journal of Applied Physics. 53, 5 SPEC. ISSUE 1, 05FZ01.

Research output: Contribution to journalArticle

Semiconductor quantum dots
Solar cells
counters
solar cells
quantum dots
3 Citations (Scopus)

Plasma etching of single fine particle trapped in Ar plasma by optical tweezers

Ito, T., Koga, K., Yamashita, D., Kamataki, K., Itagaki, N., Uchida, G. & Shiratani, M., Jan 1 2014, In : Journal of Physics: Conference Series. 518, 1, 012014.

Research output: Contribution to journalConference article

trapped particles
plasma etching
plasma sheaths
interactions
infrared lasers
1 Citation (Scopus)

SiC nanoparticle composite anode for Li-Ion batteries

Shiratani, M., Kamataki, K., Uchida, G., Koga, K., Seo, H., Itagaki, N. & Ishihara, T., Jan 1 2014, In : Materials Research Society Symposium Proceedings. 1678

Research output: Contribution to journalConference article

electric batteries
Anodes
anodes
Nanoparticles
nanoparticles