Author Page for Hiroyuki Okazaki

Relationship between the Microstructure, Local Magnetism and Coercivity in Ga-Containing Nd-Fe-B Sintered Magnets

Number of pages: 18 Posted: 06 Oct 2020

David Billington, Hiroyuki Okazaki, Kentaro Toyoki, Yoshinori Kotani, Yukio Takada, Takashi Sato, Yuji Kaneko, Akira Kato, Taisuke Sasaki, Tadakatsu Ohkubo, Kazuhiro Hono and Tetsuya Nakamura

National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM), Japan Synchrotron Radiation Research Institute, National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM), Japan Synchrotron Radiation Research Institute, Toyota Central R&D Labs., Inc., Toyota Central R&D Labs., Inc., Toyota Central R&D Labs., Inc., Toyota Motor Corporation - Advanced Material Engineering Division, National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM), National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM), National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials (ESICMM) and National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM)

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Abstract:

2.

Quantitative Identification of Constituent Phases in a Nd-Fe-B Sintered Magnet and Temperature-Dependent Change in the Electron Density of Nd ₂Fe ₁₄B Studied by Synchrotron X-Ray Diffraction

Number of pages: 29 Posted: 08 Jul 2019

Hiroyuki Okazaki, David Billington, Naruki Tsuji, Wakana Ueno, Yoshinori Kotani, Shogo Kawaguchi, Kunihisa Sugimoto, Kentaro Toyoki, Tomoki Fukagawa, Takeshi Nishiuchi, Kazuhiro Hono, Satoshi Hirosawa and Tetsuya Nakamura

Japan Synchrotron Radiation Research Institute, National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM), Japan Synchrotron Radiation Research Institute, Japan Synchrotron Radiation Research Institute, Japan Synchrotron Radiation Research Institute, Japan Synchrotron Radiation Research Institute, Japan Synchrotron Radiation Research Institute, National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM), Hitachi Metals, Ltd - Magnetic Materials Research Laboratory, Hitachi Metals, Ltd - Magnetic Materials Research Laboratory, National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials (ESICMM), National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials (ESICMM) and National Institute for Materials Science - Elements Strategy Initiative for Structural Materials (ESISM)

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Abstract:

3.

The Anomalous Structural Change of Glassy Carbon by the Ion Irradiation

Number of pages: 18 Posted: 09 Apr 2025

Hiroyuki Okazaki, Tomitsugu Taguchi, Shunya Yamamoto, Hiroshi Koshikawa, Akira Idesaki and Tetsuya YAMAKI

Japan Synchrotron Radiation Research Institute, QST hospital (former NIRS Hospital) - National Institutes for Quantum Science and Technology, National Institutes for Quantum Science and Technology (QST), affiliation not provided to SSRN, QST hospital (former NIRS Hospital) - National Institutes for Quantum Science and Technology and affiliation not provided to SSRN

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Abstract:

4.

Key factor for increased thickness of the sp2-rich surface layers in diamond-like carbon films

Number of pages: 26 Posted: 27 Jan 2026

Yuji Muraoka, Sho Enomoto, Qiang Yue, Takanori Wakita, Takayoshi Yokoya and Hiroyuki Okazaki

Okayama University, Okayama University, Henan University of Science and Technology, Japan Synchrotron Radiation Research Institute, Okayama University and Japan Synchrotron Radiation Research Institute

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Hiroyuki Okazaki

Japan Synchrotron Radiation Research Institute

National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials (ESICMM)

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Scholarly Papers (4)

Relationship between the Microstructure, Local Magnetism and Coercivity in Ga-Containing Nd-Fe-B Sintered Magnets

Abstract:

Quantitative Identification of Constituent Phases in a Nd-Fe-B Sintered Magnet and Temperature-Dependent Change in the Electron Density of Nd ₂Fe ₁₄B Studied by Synchrotron X-Ray Diffraction

Abstract:

The Anomalous Structural Change of Glassy Carbon by the Ion Irradiation

Abstract:

Key factor for increased thickness of the sp2-rich surface layers in diamond-like carbon films

Abstract:

Hiroyuki Okazaki

Japan Synchrotron Radiation Research Institute

National Institute for Materials Science - Elements Strategy Initiative Center for Magnetic Materials (ESICMM)

4

256

0

Scholarly Papers (4)

Relationship between the Microstructure, Local Magnetism and Coercivity in Ga-Containing Nd-Fe-B Sintered Magnets

Abstract:

Quantitative Identification of Constituent Phases in a Nd-Fe-B Sintered Magnet and Temperature-Dependent Change in the Electron Density of Nd 2Fe 14B Studied by Synchrotron X-Ray Diffraction

Abstract:

The Anomalous Structural Change of Glassy Carbon by the Ion Irradiation

Abstract:

Key factor for increased thickness of the sp2-rich surface layers in diamond-like carbon films

Abstract:

Quantitative Identification of Constituent Phases in a Nd-Fe-B Sintered Magnet and Temperature-Dependent Change in the Electron Density of Nd ₂Fe ₁₄B Studied by Synchrotron X-Ray Diffraction