Keiji Oyoshi

Profile Information

Affiliation: Senior Researcher, National Institute for Materials Science

Degree: Ph. D.(Jul, 1992)

ORCID ID: https://orcid.org/0000-0002-0922-935X
J-GLOBAL ID: 200901003723605072
researchmap Member ID: 0000025484

原著研究論文については
https://orcid.org/0000-0002-0922-935X
をご覧ください。

Research Areas

Nanotechnology/Materials / Thin-film surfaces and interfaces /

Research History

2001 - Present

物質・材料研究機構
1995 - 2001

科学技術庁無機材質研究所
1997 - 1998

客員研究員, ドイツ国立ユーリッヒ研究センター
1993 - 1994

（1993-1994 日本板硝子テクノリサーチ(株) 出向）
1986 - 1994

日本板硝子(株)筑波研究所研究開発グループ

Education

Apr, 1984 - Mar, 1986

Master's Program in Science and Engineering, Graduateschool in University of Tsukuba
Apr, 1980 - Mar, 1984

Department of Electronic Engineering, Faculty of Engineering, Chiba Institute of Technology

Awards

Papers

Formation of Si-Rich Interfaces by Radiation-Induced Diffusion and Microsegregation in CrN/ZrN Nanolayer Coating

Alexander D. Pogrebnjak, Richard F. Webster, Richard D. Tilley, Vladimir V. Buranich, Volodymyr I. Ivashchenko, Yoshihiko Takeda, Keiji Oyoshi, Rimma Sakenova, Katarzyna Piotrowska, Pawel Zukowski, Piotr Konarski, Anatoliy I. Kupchishin, Piotr Budzynski

ACS Appl. Mater. Interfaces, Apr 5, 2021
Antibacterial Effect of Au Implantation in Ductile Nanocomposite Multilayer (TiAlSiY)N/CrN Coatings

Alexander D. Pogrebnjak, Chun-Hua Kong, Richard F. Webster, Richard D. Tilley, Yoshihiko Takeda, Keiji Oyoshi, Oleksandr V. Bondar, Vladimir V. Buranich, Stanislav V. Konstantinov, Lazat S. Baimoldanova …

ACS APPLIED MATERIALS & INTERFACES, 11(51) 48540-48550, Dec, 2019
Dispersion of third-order susceptibility of Au nanoparticles fabricated by ion implantation

Boyi Zhang, Rodrigo Sato, Keiji Oyoshi, Hiroaki Mamiya, Masato Ohnuma, Yoshihiko Takeda

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 447 38-42, May, 2019 Peer-reviewed
Irradiation resistance, microstructure and mechanical properties of nanostructured (TiZrHfVNbTa)N coatings

Alexander D. Pogrebnjak, Ivan V. Yakushchenko, Oleksandr V. Bondar, Vyacheslav M. Beresnev, Keiji Oyoshi, Orest M. Ivasishin, Hiroshi Amekura, Yoshihiko Takeda, Marek Opielak, Czeslaw Kozak

JOURNAL OF ALLOYS AND COMPOUNDS, 679 155-163, Sep, 2016
Recrystallization and formation of spheroidal gold particles in amorphous-like AlN-TiB2-TiSi2 coatings after annealing and subsequent implantation

A. D. Pogrebnjak, A. A. Dem'yanenko, V. M. Beresnev, O. V. Sobol', O. M. Ivasishin, K. Oyoshi, Y. Takeda, H. Amekura, A. I. Kupchishin

PHYSICS OF THE SOLID STATE, 58(7) 1453-1457, Jul, 2016
Optical properties of ion-beam-synthesized Au nanoparticles in SiO2 matrix

Chang-Lin Hsieh, Keiji Oyoshi, Der-Sheng Chao, Hsu-Sheng Tsai, Wei-Lun Hong, Yoshihiko Takeda, Jenq-Horng Liang

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS, 375 56-59, May, 2016
The microstructure of a multielement nanostructured (TiZrHfVNbTa)N coating and its resistance to irradiation with Au– ions

A. D. Pogrebnjak, I. V. Yakushchenko, O. V. Bondar, O. V. Sobol’, V. M. Beresnev, K. Oyoshi, H. Amekura, Y. Takeda

Technical Physics Letters, 41(11) 1054-1057, Nov, 2015
Structural features and physico-mechanical properties of AlN-TiB2-TiSi2 amorphous-like coatings

A. D. Pogrebnjak, A. A. Demianenko, A. V. Pshik, Yu. A. Kravchenko, O. V. Sobol’, V. M. Beresnev, H. Amekura, K. Kono, K. Oyoshi, Y. Takeda …

Journal of Superhard Materials, 37(5) 310-321, Sep, 2015
Influence of residual pressure and ion implantation on the structure, elemental composition, and properties of (TiZrAlYNb)N nitrides

A. D. Pogrebnjak, I. V. Yakushchenko, O. V. Sobol’, V. M. Beresnev, A. I. Kupchishin, O. V. Bondar, M. A. Lisovenko, H. Amekura, K. Kono, K. Oyoshi …

Technical Physics, 60(8) 1176-1183, Aug, 2015
Spectral investigation of nonlinear local field effects in Ag nanoparticles

Sato Rodrigo, Ohnuma Masato, Oyoshi Keiji, Takeda Yoshihiko

JOURNAL OF APPLIED PHYSICS, 117(11), Mar 21, 2015 Peer-reviewed
Microstructure, physical and chemical properties of nanostructured (Ti–Hf–Zr–V–Nb)N coatings under different deposition conditions

A.D. Pogrebnjak, I.V. Yakushchenko, A.A. Bagdasaryan, O.V. Bondar, R. Krause-Rehberg, G. Abadias, P. Chartier, K. Oyoshi, Y. Takeda, V.M. Beresnev …

Materials Chemistry and Physics, 147(3) 1079-1091, Oct, 2014
Experimental investigation of nonlinear optical properties of Ag nanoparticles: Effects of size quantization

Sato Rodrigo, Ohnuma Masato, Oyoshi Keiji, Takeda Yoshihiko

PHYSICAL REVIEW B, 90(12), Sep 11, 2014 Peer-reviewed
MULTILAYER SUPERHARD Ti-Hf-Si-N/NbN/Al2O3 COATINGS FOR HIGH PERFORMANCE PROTECTION OF STEEL

O. V. Maksakova, A. P. Shypylenko, Y. Takeda, K. Oyoshi, M. G. Kovaleva, D. A. Kolesnikov, B. Zholybekov, A. I. Kupchishin

5TH INTERNATIONAL CONFERENCE RADIATION INTERACTION WITH MATERIALS: FUNDAMENTALS AND APPLICATIONS 2014, 124-+, 2014 Peer-reviewed
INFLUENCE OF RESIDUAL GAS PRESSURE AND ION IMPLANTATION ON THE PROPERTIES OF NITRIDE HIGH-ENTROPY ALLOYS (TiZrAIYNb)N

I. Yakushchenko, O. Sobd, V. M. Beresnev, A. Kupshishin, O. Bondar, H. Amekura, K. Kono, K. Oyoshi, Y. Takeda, M. O. Lisovenko

2014 24TH INTERNATIONAL CRIMEAN CONFERENCE MICROWAVE & TELECOMMUNICATION TECHNOLOGY (CRIMICO), 744-745, 2014 Peer-reviewed
INFLUENCE OF RESIDUAL GAS PRESSURE ON THE PROPERTIES OF NITRIDE HIGH-ENTROPY ALLOYS (TiZrAlYNb)N

I. V. Yakushchenko, O. V. Sobol, V. M. Beresnev, A. I. Kupshishin, A. V. Bondar, H. Amekura, K. Kono, K. Oyoshi, Y. Takeda, M. A. Lisovenko

5TH INTERNATIONAL CONFERENCE RADIATION INTERACTION WITH MATERIALS: FUNDAMENTALS AND APPLICATIONS 2014, 222-+, 2014 Peer-reviewed
The effect of the deposition parameters of nitrides of high-entropy alloys (TiZrHfVNb)N on their structure, composition, mechanical and tribological properties

A. D. Pogrebnjak, I. V. Yakushchenko, G. Abadias, P. Chartier, O. V. Bondar, V. M. Beresnev, Y. Takeda, O. V. Sobol’, K. Oyoshi, A. A. Andreyev …

Journal of Superhard Materials, 35(6) 356-368, Nov, 2013
Analysis of local regions near interfaces in nanostructured multicomponent (Ti-Zr-Hf-V-Nb)N coatings produced by the cathodic-arc-vapor-deposition from an arc of an evaporating cathode

R. Krause-Rehberg, A. D. Pogrebnyak, V. N. Borisyuk, M. V. Kaverin, A. G. Ponomarev, M. A. Bilokur, K. Oyoshi, Y. Takeda, V. M. Beresnev, O. V. Sobol’

The Physics of Metals and Metallography, 114(8) 672-680, Aug, 2013
Multicomponent (Ti-Zr-Hf-V-Nb)N Nanostructure Coatings Fabrication, High Hardness and Wear Resistance

A.D. Pogrebnjak, V.M. Beresnev, D.A. Kolesnikov, O.V. Bondar, Y. Takeda, K. Oyoshi, M.V. Kaverin, O.V. Sobol, R. Krause-Rehberg, C. Karwat

Acta Physica Polonica A, 123(5) 816-818, May, 2013
Formation of Multilayered Ti-Hf-Si-N/NbN/Al2O3Coatings with High Physical and Mechanical Properties

A.D. Pogrebnjak, M.S. Prozorova, M.G. Kovalyova, O.V. Kolisnichenko, V.M. Beresnev, K. Oyoshi, Y. Takeda, A.S. Kaverina, A.P. Shypylenko, J. Partyka

Acta Physica Polonica A, 123(5) 813-815, May, 2013
The effect of segregation and thermodiffusion on the formation of interfaces in nanostructured (Ti-Hf-Zr-V-Nb)N multielement coatings

A. D. Pogrebnyak, V. M. Beresnev, D. A. Kolesnikov, M. V. Kaverin, A. P. Shypylenko, K. Oyoshi, Y. Takeda, R. Krause-Rehberg, A. G. Ponomarev

Technical Physics Letters, 39(3) 280-283, Mar, 2013

Misc.

Quantum size effects in the intrinsic nonlinearity of metal plasmonic nanoparticles

Rodrigo Sato, Rodrigo Sato, Keiji Oyoshi, Masato Ohnuma, Yoshihiko Takeda, Yoshihiko Takeda

Optics InfoBase Conference Papers, Aug 29, 2016
Influence of implantation of Au<sup>−</sup> ions on the microstructure and mechanical properties of the nanostructured multielement (TiZrHf VNbTa)N coating

A. D. Pogrebnjak, I. V. Yakushchenko, O. V. Bondar, O. V. Sobol’, V. M. Beresnev, K. Oyoshi, H. Amekura, Y. Takeda

Physics of the Solid State, 57 1559-1564, Aug 4, 2015
Investigation of Multilayer Superhard Ti-Hf-Si-N/NbN/Al<inf>2</inf>O<inf>3</inf> Coatings for High Performance Protection

A. D. Pogrebnjak, A. S. Kaverina, V. M. Beresnev, Y. Takeda, K. Oyoshi, H. Murakami, A. P. Shypylenko, M. G. Kovaleva, M. S. Prozorova, O. V. Kolisnichenko …

Advanced Processing and Manufacturing Technologies for Nanostructured and Multifunctional Materials, 163-171, Feb 10, 2015
The influence of the ion implantation of AU^- to the microstructure of the amorphous-nanocrystaline AlN-TiB<inf>2</inf>-TiSi<inf>2</inf>

K. V. Smyrnova, A. A. Demianenko, A. S. Radko, A. V. Pshyk, A. V. Pshyk, O. V. Kuzovlev, H. Amekura, K. Oyoshi, Y. Takeda

Journal of Nano- and Electronic Physics, 7, Jan 1, 2015
FORMATION OF SUPERHARD MULTILAYER MICRO-AND NANOSTRUCTURED Ti-Hf-Si-N/NbN/Al2O3 COATING WITH HIGH MECHANICAL AND TRIBOLOGICAL PROPERTIES

O. V. Maksakova, A. P. Shypylenko, Y. Takeda, K. Oyoshi, M. G. Kovaleva, D. A. Kolesnikov, B. R. Zholybekov, A. I. Kupchishin

2014 24TH INTERNATIONAL CRIMEAN CONFERENCE MICROWAVE & TELECOMMUNICATION TECHNOLOGY (CRIMICO), 726-727, 2014
Quantum size effects in the intrinsic third order nonlinear optical susceptibility of metal clusters: Ag nanospheres-silica glass composites

Rodrigo Sato, Masato Ohnuma, Keiji Oyoshi, Yoshihiko Takeda, Yoshihiko Takeda

JSAP-OSA Joint Symposia, JSAP 2014, Jan 1, 2014
Structural properties and elemental composition of Au+ implanted ZnO films, obtained by sol-gel method

A. D. Pogrebnjak, T. O. Berestok, T. O. Berestok, A. S. Opanasyuk, Y. Takeda, K. Oyoshi, F. F. Komarov, J. Kassi

Journal of Nano- and Electronic Physics, 6, Jan 1, 2014
Multycomponent (Ti-Zr-Hf-V-Nb)N nanostructure coatings fabrication, their properties and structure

A. D. Pogrebnjak, A. D. Pogrebnjak, V. M. Beresnev, D. A. Kolesnikov, A. S. Demianenko, Y. Takeda, K. Oyoshi, A. P. Shypylenko, A. P. Shypylenko, M. V. Kaverin …

CriMiCo 2012 - 2012 22nd International Crimean Conference Microwave and Telecommunication Technology, Conference Proceedings, 691-692, Nov 27, 2012
18pXH-1 Development of electrostatic linear ion trap II

Oyoshi K, Suzuki T

Meeting Abstracts of the Physical Society of Japan, 62 123-123, 2007
An Essay of Ecological Problems-From a view of Inorganic Materials-

OYOSHI Keiji

51(8) 467-467, Aug 1, 1999
地球環境問題に関する随想、耐火物

大吉啓司

耐火物技術協会誌, 51 467, 1999 Invited
Study of glass surface modification by ion beam

University of Tsukuba, 1992, Jul, 1992 Lead authorCorresponding author
An Essay on Ecological Problems

Journal of the Technical Association of Refracories, Japan, (Taikabutu Overseas)
Study of Metal Ion Implanted and subsequently annealed rutile (001) surface morphology by atomic force microscope

Proceedings of Japan-United Kingdom Joint workshop on Kankyo-Semiconductors (Works 2000 in Tsukuba) p.91-92. pdf(152k)
Implantation and Surface Segregation of Eu, Bi, and Ti at the MgO(100) Surface

Proceedings of the 5th NIRIM International Symposium on Advanced Materials (ISAM'98)311-314.
Study on Development of Multi-Composite Ceramics

Proceedings of the International Symposium on Material Chemistry in Nuclear Enviroment (1996), P.167-174.
Ion Beam induced Morphological Changes in silica glass

Proceedings of the International Symposium on Material Chemistry in Nuclear Enviroment (1996), P.775-780.
Characterization of silicon and nitrogen implanted silica glass

Proceedings of the Topical Meetings on Glass for Optoelectronics (1989)20-23.
Structure of Electron Energy Band Edge of ZrS3 and HfS3

Proceedings of The 18thInternational Conference on The Physics of Semiconductors Volume2(1986)1831-1834.
Ion Mass and Energy Dependence of Ion-Beam-Induced Epitaxial Crystallization of SrTiO3

Proceedings of the 12th international conference on Ion Implantation Technology-IIT"98, IEEE special issue in press.

Books and Other Publications

半導体および絶縁体へのイオン注入技術

大吉啓司

アイピーシー, 2003 (ISBN: 4901493329)
超精密生産技術体系第2巻実用技術

大吉啓司 (Role: Contributor, シリカガラス表面の平たん化)

フジテクノシステム, 1994 (ISBN: 4938555433)

Professional Memberships

Industrial Property Rights

Method of Forming Optical Waveguide

Profile Information

Research Interests

Research Areas

Research History

Education

Awards

Papers

Misc.

Books and Other Publications

Professional Memberships

Industrial Property Rights

Menu

Coauthors