Rchr
J-GLOBAL ID：202101013418370830
Update date: Nov. 01, 2024
Hiroi Kosuke
ヒロイ コウスケ | Hiroi Kosuke
Affiliation and department：
Research field (1)：
Nanomaterials
Research theme for competitive and other funds (1)：
- 2021 - 2026 Time-resolved spin contrast variation for precise nanostructure determination
Papers (40)：
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Nankawa Takuya, Sekine Yurina, Matsumura Daiju, Hiroi Kosuke, Takata Shinichi, Kamiya Yoshimi*, Honda Takayuki*. Effects of Fe ions, ultraviolet irradiation, and heating on microscopic structures of black lacquer films. Langmuir. 2024. 40. 11. 5725-5730
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Ryoki Akiyuki*, Watanabe Fumi*, Okudaira Takuya*, Takahashi Shingo*, Oku Takayuki, Hiroi Kosuke, Motokawa Ryuhei, Nakamura Yo*. Contrast dependence of scattering profiles for poly(ethylene glycol) in water; Investigation by small-angle neutron scattering with $^{3}$He spin filter and small-angle X-ray scattering. Journal of Chemical Physics. 2024. 160. 11. 114907\_1-114907\_9
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Sekine Yurina, Nankawa Takuya, Hiroi Kosuke, Oba Yojiro*, Nagakawa Yoshiyasu*, Sugita Tsuyoshi, Shibayama Yuki, Ikeda-Fukazawa Tomoko*. Nanocellulose hydrogels formed via crystalline transformation from cellulose I to II and subsequent freeze cross-linking reaction. Carbohydrate Polymers. 2024. 327. 121538\_1-121538\_11
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Arima-Osonoi Hiroshi*, Takata Shinichi, Kasai Satoshi*, Ouchi Keiichi*, Morikawa Toshiaki*, Miyata Noboru*, Miyazaki Tsukasa*, Aoki Hiroyuki, Iwase Hiroki*, Hiroi Kosuke, et al. Development of a D$_2$O/H$_2$O vapor generator for contrast-variation neutron scattering. Journal of Applied Crystallography. 2023. 56. 6. 1802-1812
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Kumada Takayuki, Motokawa Ryuhei, Oba Yojiro, Nakagawa Hiroshi, Sekine Yurina, Micheau C., Ueda Yuki, Sugita Tsuyoshi, Birumachi Atsushi, Sasaki Miki, et al. Upgrade of the small-angle neutron scattering diffractometer SANS-J at JRR-3. Journal of Applied Crystallography. 2023. 56. 6. 1776-1783
ｍore...
MISC (4)：
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Kumada Takayuki, Nakagawa Hiroshi, Miura Daisuke, Sekine Yurina, Motokawa Ryuhei, Hiroi Kosuke, Inamura Yasuhiro, Oku Takayuki, Oishi Kazuki*, Morikawa Toshiaki*, et al. Nanometer-thick crystalline ice plates in rapidly-frozen glucose solution observed by spin-contrast-variation small-angle neutron scattering. Hamon. 2024. 34. 2. 50-53
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Miura Daisuke*, Kumada Takayuki, Sekine Yurina, Oku Takayuki, Takata Shinichi, Hiroi Kosuke, Iwata Takahiro*. Development of spin-contrast-variation neutron powder diffractometry for extracting the structure factor of hydrogen atoms. J-PARC MLF Annual Report 2021. 2022. 6-7
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Kai Tetsuya, Shinohara Takenao, Hiroi Kosuke, Su Y. H., Oikawa Kenichi. Visualization technique with the energy-resolved neutron imaging system, RADEN. Hihakai Kensa. 2018. 67. 5. 209-216
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Hiroi Kosuke, Shinohara Takenao, Hayashida Hirotoshi*, Su Y. H., Kai Tetsuya, Oikawa Kenichi. Optimization of the magnetic field environment in the polarization analysis system of BL22 "RADEN" at J-PARC/MLF (Contract research). JAEA-Technology 2016-021. 2016. 14
Lectures and oral presentations (84)：
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Polarization analysis instruments for separation of incoherent scattering at BL15 TAIKAN and SANS-J
(Workshop on Polarized Neutron Sciences and Technology)
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Concept of spin-echo modulated SANS measurement at MLF
(4th J-PARC Symposium (J-PARC 2024))
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Polarization analysis method for removing incoherent scattering component at BL15 TAIKAN and SANS-J
(13th Design and Engineering of Neutron Instruments Meeting (DENIM XIII))
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90\% background reduction using 99.999\% aluminium windows and 30 times enhancement of polarized neutron flux using extended short-focal-length magnetic lenses in SANS-J at JRR-3
(13th Design and Engineering of Neutron Instruments Meeting (DENIM XIII))
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Current status of MLF BL15 TAIKAN and its application to studies of metallic materials
(日本鉄鋼協会フォーラム「量子ビーム技術による組織形成機構の理解」勉強会)
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