Research Output 1994 2019

2019

Adipose tissue-derived stromal cells are sources of cancer-associated fibroblasts and enhance tumor progression by dense collagen matrix

Okumura, T., Ouchida, K., Kibe, S., Iwamoto, C., Ando, Y., Takesue, S., Nakayama, H., Abe, T., Endo, S., Koikawa, K., Sada, M., Horioka, K., Mochidome, N., Arita, M., Moriyama, T., Nakata, K., Miyasaka, Y., Takao, O., Mizumoto, K., Oda, Y. & 2 othersHashizume, M. & Nakamura, M., Mar 15 2019, In : International Journal of Cancer. 144, 6, p. 1401-1413 13 p.

Research output: Contribution to journalArticle

Stromal Cells
Adipose Tissue
Collagen
Neoplasms
Intra-Abdominal Fat
Reactive ion etching
Field emission
Cones
field emission
Nanostructures

Four-dimensional observation of ductile fracture in sintered iron using synchrotron X-ray laminography

Ozaki, Y., Mugita, Y., Aramaki, M., Furukimi, O., Oue, S., Jiang, F., Tsuji, T., Takeuchi, A., Uesugi, M. & Ashizuka, K., Mar 15 2019, In : Powder Metallurgy. 62, 2, p. 146-154 9 p.

Research output: Contribution to journalArticle

Ductile fracture
Synchrotrons
Coalescence
Crack initiation
synchrotrons
1 Citation (Scopus)
Vanadium
Fused silica
Torsional stress
Oxides
Plastic deformation

pn junction formation by Si paste coated on metal substrates

Li, Y., Inokuchi, H., Orita, T., Maejima, K., Nakashima, K., Ooue, S., Matsumoto, H. & Kato, Y., Apr 15 2019, In : Journal of Materials Science: Materials in Electronics. 30, 7, p. 6693-6700 8 p.

Research output: Contribution to journalArticle

Ointments
Solar cells
Metals
Annealing
Substrates
Open Access
2018

Crystal and electronic structural changes during annealing in severely deformed Si containing metastable phases formed by high-pressure torsion

Ikoma, Y., Chon, B., Yamasaki, T., Takahashi, K., Saito, K., Guo, Q. & Horita, Z., Sep 3 2018, In : Applied Physics Letters. 113, 10, 101904.

Research output: Contribution to journalArticle

torsion
annealing
valence
electronics
crystals

Field emission characteristics of metal-coated nanocrystalline diamond films

Ota, K., Kaneko, Y., Terada, K., Kato, Y. & Tsutsui, K., Jan 1 2018, In : ECS Journal of Solid State Science and Technology. 7, 8, p. P369-P373

Research output: Contribution to journalArticle

Diamond films
Field emission
Metals
Surface morphology
Metal coatings

Flowing H 2 Gas Concentration Measurement Using Ultrasound from Exterior of the Pipe

Taskin, M., Kido, T. & Kato, Y., Dec 26 2018, 2018 IEEE SENSORS, SENSORS 2018 - Conference Proceedings. Institute of Electrical and Electronics Engineers Inc., 8589539. (Proceedings of IEEE Sensors; vol. 2018-October).

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

Ultrasonics
Pipe
Gases
Drilling
Air

Heat–Electric Power Conversion Without Temperature Difference Using Only n-Type Ba8AuxSi46−x Clathrate with Au Compositional Gradient

Osakabe, Y., Tatsumi, S., Kotsubo, Y., Iwanaga, J., Yamasoto, K., Munetoh, S., Furukimi, O. & Nakashima, K., Jun 1 2018, In : Journal of Electronic Materials. 47, 6, p. 3273-3276 4 p.

Research output: Contribution to journalArticle

clathrates
temperature gradients
Energy gap
gradients
Semiconductor materials

Hydrolytic hydrogen production on Al-Sn-Zn alloys processed by high-pressure torsion

Zhang, F., Edalati, K., Arita, M. & Horita, Z., Jul 13 2018, In : Materials. 11, 7, 1209.

Research output: Contribution to journalArticle

Hydrogen production
Torsional stress
Hydrogen
Pitting
Corrosion

Impact of metastable phases on electrical properties of Si with different doping concentrations after processing by high-pressure torsion

Chon, B., Ikoma, Y., Kohno, M., Shiomi, J., McCartney, M. R., Smith, D. J. & Horita, Z., Dec 1 2018, In : Scripta Materialia. 157, p. 120-123 4 p.

Research output: Contribution to journalArticle

Metastable phases
Torsional stress
torsion
Electric properties
electrical properties

Nanostructural analyses of intra- and intergranular precipitates in high-temperature heat-treated nitrogen-added austenitic stainless steel

Ochi, M., Sato, K., Teranishi, R., Sato, Y., Hamada, J. I., Takushima, C., Hara, T. & Kaneko, K., Aug 15 2018, In : isij international. 58, 8, p. 1459-1466 8 p.

Research output: Contribution to journalArticle

Austenitic stainless steel
Precipitates
Nitrogen
Transmission electron microscopy
Scanning electron microscopy
Iron powder
Drilling

Structural and compositional study of precipitates in under-aged Cu-added Al-Mg-Si alloy

Maeda, T., Kaneko, K., Namba, T., Koshino, Y., Sato, Y., Teranishi, R. & Aruga, Y., Dec 1 2018, In : Scientific reports. 8, 1, 16629.

Research output: Contribution to journalArticle

X-Ray Emission Spectrometry
Scanning Transmission Electron Microscopy
Hardness

Study of growth process for YBa2Cu3Oy Coated Conductors with BaZrO3 Flux Pinning Centers by Monitoring Electrical Conductivity

Teranishi, R., Konya, K., Inoue, M., Sato, Y., Kaneko, K., Izumi, T. & Awaji, S., Jun 1 2018, In : IEEE Transactions on Applied Superconductivity. 28, 4, 7501305.

Research output: Contribution to journalArticle

Flux pinning
flux pinning
conductors
electrical resistivity
Monitoring
1 Citation (Scopus)

The impact of dopant contents on structures, morphologies and optical properties of Eu doped Ga2O3 films on GaAs substrate

Chen, Z., Nishihagi, K., Wang, X., Hu, C., Arita, M., Saito, K., Tanaka, T. & Guo, Q., Feb 1 2018, In : Journal of Luminescence. 194, p. 374-378 5 p.

Research output: Contribution to journalArticle

Europium
europium
Optical properties
Doping (additives)
optical properties
2017
1 Citation (Scopus)

A compact low-temperature hydrogen ion beam apparatus for in situ physical property measurements

Nakayama, R., Suzuki, N., Maesato, M., Nagaoka, T., Arita, M. & Kitagawa, H., Dec 1 2017, In : Review of Scientific Instruments. 88, 12, 123904.

Research output: Contribution to journalArticle

hydrogen ions
Ion beams
Physical properties
physical properties
ion beams
1 Citation (Scopus)

Angular Behavior of Jc in GdBCO-Coated Conductors with Crossed Columnar Defects Around ab Plane

Sueyoshi, T., Iwanaga, Y., Fujioyoshi, T., Takai, Y., Mukaida, M., Kudo, M., Yasuda, K. & Ishikawa, N., Jun 1 2017, In : IEEE Transactions on Applied Superconductivity. 27, 4, 7778174.

Research output: Contribution to journalArticle

conductors
Fluxes
Flux pinning
Heavy Ions
Defects

A novel electric power generation under uniform temperature environment using poly-crystalline Ba8AuxSi46-x clathrate

Munetoh, S., Osakabe, Y., Yamasoto, K., Iwanaga, J., Miura, H. & Furukimi, O., Aug 1 2017, In : Funtai Oyobi Fummatsu Yakin/Journal of the Japan Society of Powder and Powder Metallurgy. 64, 8, p. 471-474 4 p.

Research output: Contribution to journalArticle

Electric power generation
Crystalline materials
Spark plasma sintering
Graphite
Electrons
5 Citations (Scopus)

Effect of heat treatments on the microstructure and formability of Al–Mg–Mn–Sc–Zr alloy

Miyake, Y., Sato, Y., Teranishi, R. & Kaneko, K., Oct 1 2017, In : Micron. 101, p. 151-155 5 p.

Research output: Contribution to journalArticle

Scandium
Hot Temperature
Hardness
Heating

Effect of γ-phase stability on local deformation energy of α-γ duplex stainless steel

Yamamoto, M., Ochi, R., Yasuda, K., Aramaki, M., Munetoh, S. & Furukimi, O., Jan 1 2017, In : Materials Transactions. 58, 10, p. 1379-1385 7 p.

Research output: Contribution to journalArticle

Phase stability
Stainless Steel
stainless steels
Stainless steel
energy
3 Citations (Scopus)

Effects of Specimen thickness in tensile tests on elongation and deformation energy for industrially pure iron

Takeda, Y., Kiattisaksri, C., Aramaki, M., Munetoh, S. & Furukimi, O., Jan 1 2017, In : ISIJ International. 57, 6, p. 1129-1137 9 p.

Research output: Contribution to journalArticle

Elongation
Iron
Stainless Steel
Nucleation
Stainless steel
3 Citations (Scopus)

Electrical resistivity mapping of titanium and zirconium discs processed by high-pressure torsion for homogeneity and phase transformation evaluation

Haraguchi, R., Yoshimatsu, Y., Nagaoka, T., Arita, M., Edalati, K. & Horita, Z., Jun 1 2017, In : Journal of Materials Science. 52, 11, p. 6778-6788 11 p.

Research output: Contribution to journalArticle

Titanium
Zirconium
Torsional stress
Phase transitions
Shear strain
2 Citations (Scopus)

Electron microscopic analysis of surface damaged layer in Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 single crystal

Kasuya, Y., Sato, Y., Urakami, R., Yamada, K., Teranishi, R. & Kaneko, K., Jan 1 2017, In : Japanese Journal of Applied Physics. 56, 1, 010312.

Research output: Contribution to journalArticle

Polishing
surface layers
Lead
Single crystals
polishing
electron microscopy
electric fields
crystals
electronics
confidence
5 Citations (Scopus)

Fast hydrolysis and hydrogen generation on Al-Bi alloys and Al-Bi-C composites synthesized by high-pressure torsion

Zhang, F., Edalati, K., Arita, M. & Horita, Z., Dec 7 2017, In : International Journal of Hydrogen Energy. 42, 49, p. 29121-29130 10 p.

Research output: Contribution to journalArticle

Torsional stress
torsion
hydrolysis
Hydrolysis
Hydrogen
15 Citations (Scopus)

High-pressure zinc oxide phase as visible-light-active photocatalyst with narrow band gap

Razavi-Khosroshahi, H., Edalati, K., Wu, J., Nakashima, Y., Arita, M., Ikoma, Y., Sadakiyo, M., Inagaki, Y., Staykov, A. T., Yamauchi, M., Horita, Z. & Fuji, M., Jan 1 2017, In : Journal of Materials Chemistry A. 5, 38, p. 20298-20303 6 p.

Research output: Contribution to journalArticle

Zinc Oxide
Photocatalysts
Zinc oxide
Energy gap
Oxygen vacancies
6 Citations (Scopus)

High-resolution transmission electron microscopy analysis of bulk nanograined silicon processed by high-pressure torsion

Fukushima, Y., Ikoma, Y., Edalati, K., Chon, B., Smith, D. J. & Horita, Z., Jul 2017, In : Materials Characterization. 129, p. 163–168

Research output: Contribution to journalArticle

Silicon
High resolution transmission electron microscopy
Torsional stress
torsion
transmission electron microscopy
3 Citations (Scopus)

High-resolution transmission electron microscopy analysis of nanograined germanium produced by high-pressure torsion

Ikoma, Y., Kumano, K., Edalati, K., McCartney, M. R., Smith, D. J. & Horita, Z., Oct 1 2017, In : Materials Characterization. 132, p. 132-138 7 p.

Research output: Contribution to journalArticle

Germanium
High resolution transmission electron microscopy
Torsional stress
torsion
germanium
1 Citation (Scopus)

Hydrogen diffusion in ultrafine-grained iron with the body-centered cubic crystal structure

Iwaoka, H., Arita, M. & Horita, Z., Apr 3 2017, In : Philosophical Magazine Letters. 97, 4, p. 158-168 11 p.

Research output: Contribution to journalArticle

torsion
iron
crystal structure
grain boundaries
hydrogen

Low-temperature sintering phenomenon of nanometer-size particles based on molecular dynamics study

Munetoh, S., Matsubara, N. & Furukimi, O., Jan 1 2017, In : Yosetsu Gakkai Shi/Journal of the Japan Welding Society. 86, 6, p. 432-435 4 p.

Research output: Contribution to journalArticle

Molecular dynamics
Sintering
Particle size
Temperature
2 Citations (Scopus)

Mechanical property and hydrogen permeability of ultrafine-grained Pd-Ag alloy processed by high-pressure torsion

Iwaoka, H., Ide, T., Arita, M. & Horita, Z., 2017, (Accepted/In press) In : International Journal of Hydrogen Energy.

Research output: Contribution to journalArticle

Torsional stress
torsion
permeability
mechanical properties
Mechanical properties
8 Citations (Scopus)

Miniaturization of BaHfO3 nanoparticles in YBa2Cu3O y -coated conductors using a two-step heating process in the TFA-MOD method

Horita, H., Teranishi, R., Yamada, K., Kaneko, K., Sato, Y., Otaguro, K., Nishiyama, T., Izumi, T. & Awaji, S., Feb 1 2017, In : Superconductor Science and Technology. 30, 2, 025022.

Research output: Contribution to journalArticle

Trifluoroacetic Acid
Industrial heating
miniaturization
conductors
Metals
2 Citations (Scopus)

Nanostructural characterization of artificial pinning centers in PLD-processed REBa 2 Cu 3 O 7-δ films

Maeda, T., Kaneko, K., Yamada, K., Roy, A., Sato, Y., Teranishi, R., Kato, T., Izumi, T. & Shiohara, Y., May 1 2017, In : Ultramicroscopy. 176, p. 151-160 10 p.

Research output: Contribution to journalArticle

Pulsed laser deposition
Nanoparticles
nanoparticles
High temperature superconductors
high temperature superconductors
2 Citations (Scopus)

Phase transformation and interface segregation behavior in Si 3 N 4 ceramics sintered with La 2 O 3 –Lu 2 O 3 mixed additive

Urakami, R., Sato, Y., Ogushi, M., Nishiyama, T., Goto, A., Yamada, K., Teranishi, R., Kaneko, K. & Kitayama, M., Mar 1 2017, In : Journal of the American Ceramic Society. 100, 3, p. 1231-1240 10 p.

Research output: Contribution to journalArticle

Phase interfaces
Rare earths
Phase transitions
Ions
Sintering
7 Citations (Scopus)

Phase transformation of germanium by processing through high-pressure torsion: strain and temperature effects

Ikoma, Y., Kumano, K., Edalati, K., Saito, K., Guo, Q. & Horita, Z., Jan 2 2017, In : Philosophical Magazine Letters. 97, 1, p. 27-34 8 p.

Research output: Contribution to journalArticle

torsion
phase transformations
temperature effects
germanium
room temperature
20 Citations (Scopus)

Room-Temperature Superplasticity in an Ultrafine-Grained Magnesium Alloy

Edalati, K., Masuda, T., Arita, M., Furui, M., Sauvage, X., Horita, Z. & Valiev, R. Z., Dec 1 2017, In : Scientific reports. 7, 1, 2662.

Research output: Contribution to journalArticle

superplasticity
magnesium alloys
grain boundaries
elongation
metal forming

TEM observations of Ge processed by high-pressure torsion

Ikoma, Y., Kumano, K., Edalati, K., McCartney, M. R., Smith, D. J. & Horita, Z., 2017, Proceedings of the International Workshop on Giant Straining Process for Advanced Materials (GSAM2017). p. 17-18

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

Thermal effects on the formation of Si and Ge metastable phases during HPT processing

Kumano, K., Ikoma, Y., Edalati, K., Saito, K., Guo, Q. & Horita, Z., 2017, Proceedings of the International Workshop on Giant Straining Process for Advanced Materials (GSAM2017). p. 19-20

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

Three-dimensional studies of intergranular carbides in austenitic stainless steel

Ochi, M., Kawano, R., Maeda, T., Sato, Y., Teranishi, R., Hara, T., Kikuchi, M. & Kaneko, K., Apr 1 2017, In : Microscopy. 66, 2, p. 89-94 6 p.

Research output: Contribution to journalArticle

austenitic stainless steels
Steel
Stainless Steel
Austenitic stainless steel
carbides
2 Citations (Scopus)

Ultraviolet detectors based on (GaIn)2O3 films

Zhang, F., Li, H., Arita, M. & Guo, Q., Jan 1 2017, In : Optical Materials Express. 7, 10, 305235.

Research output: Contribution to journalArticle

Ultraviolet detectors
Photodetectors
Indium
Wavelength
Photoconducting materials
3 Citations (Scopus)

Void nucleation behavior of single-crystal high-purity iron specimens subjected to tensile deformation

Furukimi, O., Kiattisaksri, C., Takeda, Y., Aramaki, M., Oue, S., Munetoh, S. & Tanaka, M., Jul 31 2017, In : Materials Science and Engineering A. 701, p. 221-225 5 p.

Research output: Contribution to journalArticle

tensile deformation
voids
purity
Nucleation
Iron
3 Citations (Scopus)

Voids nucleation and growth examination during tensile deformation for IF steel by synchrotron X-ray laminography and EBSD

Furukimi, O., Takeda, Y., Yamamoto, M., Aramaki, M., Munetoh, S., Takeuchi, A., Ide, H. & Nakasaki, M., Jan 1 2017, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 103, 8, p. 475-482 8 p.

Research output: Contribution to journalArticle

tensile deformation
Steel
Synchrotrons
voids
interstitials
2016
2 Citations (Scopus)

A Novel Electric Power Generation Mechanism from Waste Heat without Temperature Gradient

Yamasoto, K., Osakabe, Y., Adachi, S., Munetoh, S. & Furukimi, O., Jan 1 2016, In : MRS Advances. 1, 60, p. 3941-3946 6 p.

Research output: Contribution to journalArticle

waste heat
Electric power generation
Waste heat
clathrates
electric power
14 Citations (Scopus)

Band alignment of Ga2O3/Si heterojunction interface measured by X-ray photoelectron spectroscopy

Chen, Z., Nishihagi, K., Wang, X., Saito, K., Tanaka, T., Nishio, M., Arita, M. & Guo, Q., Sep 5 2016, In : Applied Physics Letters. 109, 10, 102106.

Research output: Contribution to journalArticle

heterojunctions
alignment
photoelectron spectroscopy
valence
x rays
15 Citations (Scopus)

Effects of dopant contents on structural, morphological and optical properties of Er doped Ga2O3 films

Chen, Z., Wang, X., Noda, S., Saito, K., Tanaka, T., Nishio, M., Arita, M. & Guo, Q., Feb 1 2016, In : Superlattices and Microstructures. 90, p. 207-214 8 p.

Research output: Contribution to journalArticle

Erbium
erbium
Structural properties
Optical properties
Doping (additives)
4 Citations (Scopus)

Effects of tensile test specimen thickness on elongation and deformation energy for industrial pure iron

Takeda, Y., Kiattisaksri, C., Aramaki, M., Munetoh, S. & Furukimi, O., Jan 1 2016, In : Tetsu-To-Hagane/Journal of the Iron and Steel Institute of Japan. 102, 10, p. 599-606 8 p.

Research output: Contribution to journalArticle

tensile tests
elongation
Elongation
Iron
iron
2 Citations (Scopus)

Electrical contacts to nanocrystalline diamond films studied at high temperatures

Shimoda, N., Kato, Y. & Tsutsui, K., Dec 21 2016, In : Journal of Applied Physics. 120, 23, 235706.

Research output: Contribution to journalArticle

diamond films
electric contacts
contact resistance
electrodes
electrode materials

Formation of metastable phases and nanograins of Si and Ge by high-pressure torsion

Ikoma, Y., Jan 2016, Proceedings of the International Workshop on Giant Straining Process for Advanced Materials (GSAM2015). p. 4-6

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