If you made any changes in Pure these will be visible here soon.

Fingerprint Dive into the research topics where Yoshifumi Ikoma is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

torsion Physics & Astronomy
Torsional stress Engineering & Materials Science
Chemical vapor deposition Engineering & Materials Science
free jets Physics & Astronomy
Substrates Engineering & Materials Science
Silicon Chemical Compounds
vapor deposition Physics & Astronomy
Nanopores Engineering & Materials Science

Network Recent external collaboration on country level. Dive into details by clicking on the dots.

Research Output 1996 2019

Phase transformations, vacancy formation and variations of optical and photocatalytic properties in TiO2-ZnO composites by highpressure torsion

Hidalgo-Jimenez, J., Wang, Q., Edalati, K., Cubero-Sesín, J. M., Razavi-Khosroshahi, H., Ikoma, Y., Gutiérrez-Fallas, D., Dittel-Meza, F. A., Rodríguez-Rufino, J. C., Fuji, M. & Horita, Z., Jan 1 2019, (Accepted/In press) In : International Journal of Plasticity.

Research output: Contribution to journalArticle

Torsional stress
Vacancies
Optical properties
Phase transitions
Oxygen vacancies

Severe plastic deformation of semiconductor materials using high-pressure torsion

Ikoma, Y., Jan 1 2019, In : Materials Transactions. 60, 7, p. 1168-1176 9 p.

Research output: Contribution to journalReview article

Open Access
Torsional stress
plastic deformation
torsion
Plastic deformation
Semiconductor materials
1 Citation (Scopus)

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
1 Citation (Scopus)

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
26 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