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Research Output 1988 2018

  • 678 Citations
  • 16 h-Index
  • 58 Article
  • 9 Conference article
  • 2 Review article
  • 1 Letter
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Article
2018

Spectroscopic observation of radiation emitted from thermally-produced spray droplets and the resulting temperature determination

Yamagata, Y., Iwasaka, R., Kawaguchi, Y., Yamasaki, M. & Muraoka, K., Dec 1 2018, In : Japanese Journal of Applied Physics. 57, 12, 126102.

Research output: Contribution to journalArticle

sprayers
Radiation
radiation
continuums
plasma radiation
2017
5 Citations (Scopus)

Coating qualities deposited using three different thermal spray technologies in relation with temperatures and velocities of spray droplets

Kawaguchi, Y., Miyazaki, F., Yamasaki, M., Yamagata, Y., Kobayashi, N. & Muraoka, K., Feb 1 2017, In : Coatings. 7, 2, 27.

Research output: Contribution to journalArticle

Open Access
sprayers
coatings
Coatings
Substrates
Temperature
1 Citation (Scopus)

Optical monitoring systems for thermal spray processes: Droplets behavior and substrate pre-treatments

Kawaguchi, Y., Kobayashi, N., Yamagata, Y., Miyazaki, F., Yamasaki, M., Tanaka, J. & Muraoka, K., Nov 29 2017, In : Journal of Instrumentation. 12, 11, C11031.

Research output: Contribution to journalArticle

Spray
Monitoring System
Droplet
pretreatment
Optical System
2 Citations (Scopus)

Spatially-resolved velocities of thermally-produced spray droplets using a velocity-divided Abel inversion of photographed streaks

Kawaguchi, Y., Kobayashi, N., Yamagata, Y., Miyazaki, F., Yamasaki, M. & Muraoka, K., Sep 22 2017, In : Journal of Physics D: Applied Physics. 50, 42, 425203.

Research output: Contribution to journalArticle

sprayers
inversions
coatings
Coatings
Spray guns
2016
3 Citations (Scopus)

Short- and long-range energy strategies for Japan and the world after the Fukushima nuclear accident

Muraoka, K., Wagner, F., Yamagata, Y. & Donné, A. J. H., Jan 28 2016, In : Journal of Instrumentation. 11, 1, C01082.

Research output: Contribution to journalArticle

accidents
Accidents
Japan
electricity
fossil fuels
2015
4 Citations (Scopus)
Thomson scattering
Electron temperature
temperature profiles
Atmospheric pressure
Carrier concentration
4 Citations (Scopus)

The first result of an optical monitoring system for optimization of thermal spray droplets

Kawaguchi, Y., Miyazaki, F., Yamasaki, M., Yamagata, Y. & Muraoka, K., Dec 11 2015, In : Journal of Instrumentation. 10, 12, C12011.

Research output: Contribution to journalArticle

Spray
Monitoring System
Droplet
Optical System
sprayers
2014
2 Citations (Scopus)

Development of 2D Laser-Induced Fluorescence (LIF) system in high-density helicon plasma

Teshigahara, N., Shinohara, S., Yamagata, Y., Kuwahara, D. & Watanabe, M., Jan 1 2014, In : Plasma and Fusion Research. 9, SpecialIssue2, 3406055.

Research output: Contribution to journalArticle

laser induced fluorescence
plasma density
velocity distribution
electric propulsion
ions
5 Citations (Scopus)

Thomson scattering diagnostics of atmospheric plasmas in contact with ionic liquids

Tomita, K., Nagai, K., Shimizu, T., Bolouki, N., Yamagata, Y., Uchino, K. & Kaneko, T., Jun 2014, In : Applied Physics Express. 7, 6, 066101.

Research output: Contribution to journalArticle

Thomson scattering
Ionic liquids
Contacts (fluid mechanics)
Scattering
Plasmas
2012
15 Citations (Scopus)

Two-dimensional Thomson scattering diagnostics of pulsed discharges produced at atmospheric pressure

Tomita, K., Bolouki, N., Shirozono, H., Yamagata, Y., Uchino, K. & Takaki, K., Feb 1 2012, In : Journal of Instrumentation. 7, 2, C02057.

Research output: Contribution to journalArticle

Thomson scattering
Atmospheric pressure
Carrier concentration
Diagnostics
atmospheric pressure
2011
17 Citations (Scopus)

Performance tests of newly developed adsorption/plasma combined system for decomposition of volatile organic compounds under continuous flow condition

Inoue, K., Okano, H., Yamagata, Y., Muraoka, K. & Teraoka, Y., Jan 1 2011, In : Journal of Environmental Sciences. 23, 1, p. 139-144 6 p.

Research output: Contribution to journalArticle

Volatile Organic Compounds
Volatile organic compounds
volatile organic compound
decomposition
Decomposition
2010
3 Citations (Scopus)

Relationship between Ba atom emission and electrode temperature in a low-pressure fluorescent lamp

Yamagata, Y., Kai, M., Naito, S., Tomita, K., Uchino, K. & Manabe, Y., Apr 30 2010, In : Thin Solid Films. 518, 13, p. 3449-3452 4 p.

Research output: Contribution to journalArticle

Fluorescent lamps
luminaires
low pressure
Electric lamps
Atoms
2009
1 Citation (Scopus)
Volatile organic compounds
Decomposition
Electric power utilization
Mica
Sheet metal

Decomposition of electrostatic-precipitated particulate materials from Diesel exhaust gas with nitric oxides using dielectric barrier discharge

Yamagata, Y., Fujii, Y., Kawagashira, Y. & Muraoka, K., Jul 6 2009, In : Przeglad Elektrotechniczny. 85, 5, p. 127-130 4 p.

Research output: Contribution to journalArticle

Nitric oxide
Exhaust gases
Discharge (fluid mechanics)
Electrostatics
Decomposition
2007
3 Citations (Scopus)
Volatile organic compounds
Decomposition
Electric power utilization
Mica
Sheet metal
1 Citation (Scopus)

Effect of glow-to-arc transition on loss mechanism of Ba atoms from electrode of fluorescent lamp

Ueda, T., Samir, A., Egashira, Y., Yamashita, G., Shimada, S., Yamagata, Y., Uchino, K. & Manabe, Y., Oct 9 2007, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 46, 10 A, p. 6828-6830 3 p.

Research output: Contribution to journalArticle

Fluorescent lamps
luminaires
arcs
luminescence
Atoms
2 Citations (Scopus)

Loss of Ba atom from the electrode of fluorescent lamp operating under AC and DC discharges

Samir, A., Yamashita, G., Egashira, Y., Shimada, S., Yamagata, Y., Uchino, K., Manabe, Y. & Ueda, T., Sep 25 2007, In : IEEJ Transactions on Fundamentals and Materials. 127, 9, p. 543-548+9

Research output: Contribution to journalArticle

Fluorescent lamps
Atoms
Electrodes
Cathodes
Electric lamps

Simple analytical expression for electron temperature in an alternating current plasma display discharge

Muraoka, K., Suzuki, K., Azumi, M., Yamagata, Y. & Yagi, M., Sep 7 2007, In : Journal of Applied Physics. 102, 4, 043301.

Research output: Contribution to journalArticle

alternating current
electron energy
Thomson scattering
gas composition
gas pressure
2006
4 Citations (Scopus)

A model for striation formation in ac PDP discharges

Muraoka, K., Azumi, M., Suzuki, K., Yamagata, Y. & Yagi, M., May 21 2006, In : Journal of Physics D: Applied Physics. 39, 10, p. 2135-2139 5 p.

Research output: Contribution to journalArticle

striation
Charged particles
Carrier concentration
Anodes
Display devices
13 Citations (Scopus)
volatile organic compounds
densification
Volatile organic compounds
Densification
low concentrations
Thomson scattering
Inductively coupled plasma
afterglows
laser plasmas
Distribution functions
5 Citations (Scopus)

Simultaneous decomposition of diesel particulate material and NOx using dielectric barrier discharge

Yamagata, Y., Niho, K., Jono, T., Kawagashira, Y. & Muraoka, K., Jul 31 2006, In : Journal of Advanced Oxidation Technologies. 9, 2, p. 133-138 6 p.

Research output: Contribution to journalArticle

nitric oxide
particulates
Nitric Oxide
Decomposition
decomposition
3 Citations (Scopus)

Study on temporal and spatial distributions of Ba atoms in fluorescent lamp discharge using laser-induced florescence

AlyHendy, A. S., Yamashita, G., Yamagata, Y., Uchino, K., Ueda, T. & Manabe, Y., Oct 21 2006, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 45, 10 B, p. 8109-8112 4 p.

Research output: Contribution to journalArticle

Fluorescent lamps
temporal distribution
Spatial distribution
luminaires
spatial distribution
2004
7 Citations (Scopus)

Simulation of photo-detached electrons in negative ion plasmas

Naitou, H., Sakurai, Y., Tauchi, Y., Fukumasa, O., Yagi, M., Yamagata, Y., Uchino, K. & Muraoka, K., Aug 1 2004, In : Plasma Physics and Controlled Fusion. 46, 8, p. 1217-1230 14 p.

Research output: Contribution to journalArticle

negative ions
Negative ions
Plasmas
detachment
Electrons
2003
3 Citations (Scopus)

Application of the dielectric barrier discharge to detect defects in a teflon coated metal surface

Ebihara, K., Tanaka, T., Ikegami, T., Yamagata, Y., Matsunaga, T., Yamashita, K. & Oyama, Y., Dec 7 2003, In : Journal of Physics D: Applied Physics. 36, 23, p. 2883-2886 4 p.

Research output: Contribution to journalArticle

teflon (trademark)
Polytetrafluoroethylene
Polytetrafluoroethylenes
metal surfaces
Metals
23 Citations (Scopus)

Comparative studies of the laser Thomson scattering and Langmuir probe methods for measurements of negative ion density in a glow discharge plasma

Noguchi, M., Hirao, T., Shindo, M., Sakurauchi, K., Yamagata, Y., Uchino, K., Kawai, Y. & Muraoka, K., Aug 1 2003, In : Plasma Sources Science and Technology. 12, 3, p. 403-406 4 p.

Research output: Contribution to journalArticle

Thomson scattering
electrostatic probes
glow discharges
negative ions
probes
2002
16 Citations (Scopus)

Laser Thomson scattering measurements of negative ion density in a glow discharge plasma

Noguchi, M., Ariga, K., Hirao, T., Suanpoot, P., Yamagata, Y., Uchino, K. & Muraoka, K., Feb 1 2002, In : Plasma Sources Science and Technology. 11, 1, p. 57-59 3 p.

Research output: Contribution to journalArticle

Thomson scattering
glow discharges
negative ions
lasers
electrons
2001
1 Citation (Scopus)

Characteristics of laser-ablated plasma and properties of diamond-like carbon film in pulsed laser deposition

Yamagata, Y., Ohshima, T., Ikegami, T., Thareja, R. K., Ebihara, K., Sharma, A., Mayo, R. M. & Narayan, J., Jan 1 2001, In : Materials Research Society Symposium - Proceedings. 648, p. P6551-P6556

Research output: Contribution to journalArticle

Diamond like carbon films
Pulsed laser deposition
laser induced fluorescence
pulsed laser deposition
diamonds
102 Citations (Scopus)

Estimation of equivalent circuit parameters of PV module and its application to optimal operation of PV system

Ikegami, T., Maezono, T., Nakanishi, F., Yamagata, Y. & Ebihara, K., Jan 1 2001, In : Solar Energy Materials and Solar Cells. 67, 1-4, p. 389-395 7 p.

Research output: Contribution to journalArticle

Equivalent circuits
Incident solar radiation
Current voltage characteristics
Temperature
17 Citations (Scopus)

Laser-ablated plasma for deposition of ZnO thin films on various substrates

Ohshima, T., Thareja, R. K., Yamagata, Y., Ikegami, T., Ebihara, K. & Narayan, J., Sep 12 2001, In : Science and Technology of Advanced Materials. 2, 3-4, p. 517-523 7 p.

Research output: Contribution to journalArticle

Gases
Plasmas
Thin films
Optical emission spectroscopy
Quartz
25 Citations (Scopus)

Spatial distribution of carbon species in laser ablation of graphite target

Ikegami, T., Ishibashi, S., Yamagata, Y., Ebihara, K., Thareja, R. K. & Narayan, J., Jul 1 2001, In : Journal of Vacuum Science and Technology, Part A: Vacuum, Surfaces and Films. 19, 4, p. 1304-1307 4 p.

Research output: Contribution to journalArticle

Graphite
Laser ablation
Spatial distribution
laser ablation
ablation
2000
13 Citations (Scopus)

Ferroelectric and colossal magnetoresistive properties of a PbZr1-xTixO3/La1-xSrxMnO3 heterostructure film

Mitsugi, F., Yamagata, Y., Ikegami, T., Ebihara, K., Narayan, J. & Grishin, A. M., Sep 1 2000, In : Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers. 39, 9 B, p. 5418-5420 3 p.

Research output: Contribution to journalArticle

Ferroelectric materials
Heterojunctions
capacitors
Capacitors
Permittivity
1 Citation (Scopus)

Laser induced fluorescence measurement of plasma plume during pulsed laser deposition of diamond-like carbon

Yamagata, Y., Kozai, Y., Mitsugi, F., Ikegami, T., Ebihara, K., Sharma, A., Mayo, R. M. & Narayan, J., Jan 1 2000, In : Materials Research Society Symposium - Proceedings. 617, p. J341-J346

Research output: Contribution to journalArticle

Diamond
Pulsed laser deposition
Ablation
laser induced fluorescence
pulsed laser deposition

Microstructure and nanomechanical properties of amorphous carbon thin films prepared by pulsed laser deposition in various atmospheres

Wei, Q., Yamolenko, S., Sankar, J., Sharma, A. K., Yamagata, Y. & Narayan, J., Jan 1 2000, In : Materials Research Society Symposium - Proceedings. 616, p. 217-222 6 p.

Research output: Contribution to journalArticle

Carbon films
Amorphous carbon
Pulsed laser deposition
pulsed laser deposition
atmospheres
1999
4 Citations (Scopus)

Diamond-like carbon film deposition on PZT ferroelectrics and YBCO superconducting films using KrF excimer laser deposition

Ebihara, K., Mitsugi, F., Yamazato, M. & Yamagata, Y., Jan 1 1999, In : Composites Part B: Engineering. 30, 7, p. 685-689 5 p.

Research output: Contribution to journalArticle

Diamond like carbon films
Superconducting films
Excimer lasers
Ferroelectric materials
Aging of materials
30 Citations (Scopus)

Electrostatic measurement of plasma plume characteristics in pulsed laser evaporated carbon

Mayo, R. M., Newman, J. W., Sharma, A., Yamagata, Y. & Narayan, J., Jan 1 1999, In : Journal of Applied Physics. 86, 5, p. 2865-2871 7 p.

Research output: Contribution to journalArticle

plumes
pulsed lasers
electrostatics
carbon
ion probes
71 Citations (Scopus)

Optical emission study of ablation plasma plume in the preparation of diamond-like carbon films by KrF excimer laser

Yamagata, Y., Sharma, A., Narayan, J., Mayo, R. M., Newman, J. W. & Ebihara, K., Oct 15 1999, In : Journal of Applied Physics. 86, 8, p. 4154-4159 6 p.

Research output: Contribution to journalArticle

excimer lasers
ablation
plumes
light emission
diamonds
1998
6 Citations (Scopus)

Diamond-like carbon film preparation and surface coatings of oxide superconducting and ferroelectric films

Aoqui, S. I., Ebihara, K. & Yamagata, Y., Jan 1 1998, In : Carbon. 36, 5-6, p. 591-594 4 p.

Research output: Contribution to journalArticle

Film preparation
Ferroelectric films
Diamond like carbon films
Diamond
Superconducting films
25 Citations (Scopus)

Optical emission study of the laser plasma plume produced during diamondlike carbon thin film preparation

Aoqui, S. I., Ikegami, T., Yamagata, Y. & Ebihara, K., Mar 21 1998, In : Thin Solid Films. 316, 1-2, p. 40-44 5 p.

Research output: Contribution to journalArticle

Film preparation
Carbon films
laser plasmas
plumes
light emission
8 Citations (Scopus)

Preparation of PZT thin films on YBCO electrodes by KrF excimer laser ablation technique

Kurogi, H., Yamagata, Y., Ebihara, K. & Inoue, N., Jan 1 1998, In : Surface and Coatings Technology. 100-101, 1-3, p. 424-427 4 p.

Research output: Contribution to journalArticle

Excimer lasers
Laser ablation
excimer lasers
laser ablation
Thin films

Preparation of superconducting multilayer structure for power electronic devices

Shingai, K., Yamagata, Y., Ikegami, T. & Ebihara, K., Apr 15 1998, In : Thin Solid Films. 318, 1-2, p. 247-251 5 p.

Research output: Contribution to journalArticle

Power electronics
laminates
Multilayers
Excimer lasers
Pulsed laser deposition
10 Citations (Scopus)

Spectroscopic study of the YBa2Cu3O7-x ablation plasma plume: Crossover from the "blast" to the "drag" regime

Yamagata, Y., Shingai, K., Grishin, A. M., Ikegami, T. & Ebihara, K., Mar 21 1998, In : Thin Solid Films. 316, 1-2, p. 56-59 4 p.

Research output: Contribution to journalArticle

blasts
Ablation
ablation
drag
plumes
24 Citations (Scopus)

Structure and polarization in epitaxial ferroelectric PbZr0.52Ti0.48O3/YBa2Cu 3O7-x/Nd:YAlO3 thin films

Grishin, A. M., Yamazato, M., Yamagata, Y. & Ebihara, K., Dec 1 1998, In : Applied Physics Letters. 72, 5, p. 620-622 3 p.

Research output: Contribution to journalArticle

polarization
thin films
misalignment
crystallites
pulsed laser deposition
3 Citations (Scopus)

Switching kinetics of pulsed laser deposited epitaxial PZT films

Yamazato, M., Grishin, A. M., Yamagata, Y., Ikegami, T. & Ebihara, K., 1998, In : Unknown Journal. 526, p. 187-191 5 p.

Research output: Contribution to journalArticle

Epitaxial films
Pulsed lasers
electric field
laser
neodymium
1997
1 Citation (Scopus)

Improvement in Switching Characteristics of HTS Power Electric Device Prepared by Pulsed Laser Deposition

Yamagata, Y., Shingai, K., Ikegami, T. & Ebihara, K., Dec 1 1997, In : IEEE Transactions on Applied Superconductivity. 7, 2 PART 2, p. 1447-1450 4 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
electric power
pulsed laser deposition
Hastelloy (trademark)
yttria-stabilized zirconia
2 Citations (Scopus)

Plasma phase oxidation during preparation of oxide superconducting and ferroelectric thin films using pulsed laser deposition

Yamagata, Y., Kurogi, H., Ikegami, T. & Ebihara, K., Jan 1 1997, In : Applied Surface Science. 109-110, p. 611-615 5 p.

Research output: Contribution to journalArticle

Ferroelectric thin films
Superconducting films
Pulsed laser deposition
Oxides
Plasmas
2 Citations (Scopus)

Spectroscopic study of vapor-phase reactions in preparation of YBa2Cu3O7-x oxide thin film using pulsed laser deposition

Yamagata, Y., Kurogi, H., Tsuchiya, K., Ikegami, T. & Ebihara, K., Jul 1997, In : Japanese Journal of Applied Physics, Part 1: Regular Papers & Short Notes. 36, 7 SUPPL. B, p. 4968-4970 3 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
Oxide films
pulsed laser deposition
Vapors
vapor phases
3 Citations (Scopus)

Y-Ba-Cu-O thick film preparation using multistep KrF excimer laser deposition

Ebihara, K., Shingai, K., Yamagata, Y., Ikegami, T. & Grishin, A. M., Jan 1 1997, In : Journal of Alloys and Compounds. 251, 1-2, p. 228-231 4 p.

Research output: Contribution to journalArticle

Film preparation
Excimer lasers
Thick films
Superconducting films
High temperature superconductors
1996
4 Citations (Scopus)

Preparation of PbZrxTi1-xO3 thin films by KrF excimer laser ablation technique

Kurogi, H., Yamagata, Y., Ikegami, T., Ebihara, K. & Bok, Y. T., 1996, In : Unknown Journal. 433, p. 237-242 6 p.

Research output: Contribution to journalArticle

Excimer lasers
Laser ablation
ablation
laser
Thin films
1995
2 Citations (Scopus)

Large Current and Low Voltage Switching Devices Using HTS Thin Film

Ikegami, T., Shingai, K., Yamagata, Y. & Ebihara, K., Jan 1 1995, In : IEEE Transactions on Applied Superconductivity. 5, 2, p. 246-249 4 p.

Research output: Contribution to journalArticle

Superconducting films
low voltage
Electric potential
electric potential
thin films