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

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Research Output 1996 2019

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
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


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
Electric properties
electrical properties
21 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
Zinc oxide
Energy gap
Oxygen vacancies

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

High resolution transmission electron microscopy
Torsional stress
transmission electron microscopy