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J-GLOBAL ID：200901020248023740 Update date: Apr. 03, 2025

Ohfuji Hiroaki

オオフジヒロアキ | Ohfuji Hiroaki

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Affiliation and department：
Job title： Professor
Homepage URL (1)： https://www.es.tohoku.ac.jp/JP/?page_id=916

Research field (2)： Solid earth science , Solid earth science

Research keywords (5)：電子顕微鏡 , Microtexture , Crystallization mechanism , Diamond , Framboidal pyrite

Research theme for competitive and other funds (28)：

2023 - 2027 Effects and mechanism of burial diagenesis on the chemical composition of biogenic carbonates
2023 - 2027 Effects and mechanism of burial diagenesis on the chemical composition of biogenic carbonates
2022 - 2025 Unique phosphorous cycle on the early Earth
2020 - 2025 Molecular and isotopic characterization of Earth's oldest organic materials using Atom Probe Tomography
2021 - 2024 An integrated study of the chemical property of mantle wedge fluids: Geological and experimental approach

2020 - 2023 Origin and formation environment of deep mantle diamonds and the role of fluid

2016 - 2020 UHP chromitite and microdiamond first reported from Japan

2016 - 2019 Multidisciplinary study on generation process of slickenside

2016 - 2019 Research for formation process of long-period stacking-ordered structure synchronized with chemical concentration using high pressure

2015 - 2018 A study on the direct transformation to amorphous diamond by piling up non-equilibrium processes

2015 - 2018 Challenge to generate 1 TPa by static compression

2014 - 2018 Deep Earth water research using synchrotron X-ray and neutron radiations

2013 - 2018 Chemical composition of the lower mantle and differentiation of the early Earth

2014 - 2017 Origin and crystallization mechanism of polycrystalline diamonds in the deep Earth

2012 - 2015 Thermal diffusivity of water under high pressure and high temperature using pulse laser and diamond anvil cell

2011 - 2014 Verification of ultra-low strain rate effect on olivine rheology

2011 - 2013 Synthesis of pure sintered body of hexagonal diamond and its characterization

2011 - 2013 Dislocation structure around fluid inclusions in olivine and orthopyroxene

2008 - 2012 The behavior and distribution of water and carbon dioxide in the Earth's interior

2008 - 2012 Behavior ofFe-bearing materials under very high pressure and mineralogy of the lowermost mantle and the inner core

2007 - 2011 Material sciences at ultra-high pressure using the strongest spallation neutron source

2008 - 2010 High pressure and temperature generation using nano-polycrystalline diamond for diamond anvil cell-Application for melting experiments of pure iron-

2007 - 2009 鉱物集合ナノ・ミクロ組織にみられるフラクタル・自己組織化とそのバイオ由来への興味

2006 - 2008 Two-phase rheology of earth's lower mantle

2004 - 2008 Modeling of slab penetration and stagnation processes

2006 - 2007 フランボイダルパイライトにおける20面体構造の構造意義および形成メカニズムの検討

2003 - 2007 Searching mineralogy of the Earth's deep interior using a combination of synchrotron radiation and high-pressure technology

2003 - 2006 Physical properties of deep Earth minerals and the effect of water

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Papers (194)：

Hideaki Kawamura, Hiroaki Ohfuji, Madhusoodhan Satish-Kumar, Sasidharan Kiran, Akio Suzuki. Carbon isotopic composition of solid carbon and C-H-O fluid produced through the decomposition of stearic acid under HP-HT condition. High Pressure Research. 2024. 44. 1. 38-52
Atsushi ISHIHARA, Hiroaki OHFUJI. Mineralogical study on zeolites in gastropod fossils in Miocene sediments in Minamisoma, Fukushima, Japan. Journal of Mineralogical and Petrological Sciences. 2023. 118. 1. 1-13
Kiyoshi Fujino, Naotaka Tomioka, Hiroaki Ohfuji. New approach to obtain the correct chemical compositions by absorption correction using analytical transmission electron microscopy. Journal of Mineralogical and Petrological Sciences. 2023. 118. 1
Hirokazu Kadobayashi, Satoka Ohnishi, Hiroaki Ohfuji, Yoshitaka Yamamoto, Michihiro Muraoka, Suguru Yoshida, Naohisa Hirao, Saori Kawaguchi-Imada, Hisako Hirai. Diamond formation from methane hydrate under the internal conditions of giant icy planets. Scientific Reports. 2021. 11. 1
Leihao Feng, Qiwei Hu, Li Lei, Lei Qi, Leilei Zhang, Meifang Pu, Zili kou, Fang Peng, Duanwei He, Yohei Kojima, et al. High-pressure synthesis of TaN compacts with high hardness and thermal stability. Ceramics International. 2021. 47. 21. 30039-30042

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MISC (141)：

Atsushi ISHIHARA, Hiroaki OHFUJI. Mineralogical study on zeolites in gastropod fossils in Miocene sediments in Minamisoma, Fukushima, Japan. Journal of Mineralogical and Petrological Sciences. 2023. 118. 1. 1-13
市田良夫, 市田良夫, 市田良夫, 冨田康夫, 藤野雅也, 糸井正拡, 藤原真吾, 田中精一, 西原謙次, 古鞘隆志, et al. Development of an innovative horning stone using nano-polycrystalline cBN abrasive grains. 砥粒加工学会学術講演会講演論文集(CD-ROM). 2023. 2023
石原篤, 大藤弘明. Occurrence and genesis of zeolites in gastropod fossils in Miocene sediments in Minamisoma, Fukushima, Japan. 日本鉱物科学会年会講演要旨(Web). 2023. 2023
浦添春記, 大藤弘明. Synthesize of potassium silicate mineral fertilizer from drifted pumice. 日本鉱物科学会年会講演要旨(Web). 2023. 2023
石田大輝, 大藤弘明. Synthetic of potassium silicate minerals from a weathered granite with alkaline fluxes. 日本鉱物科学会年会講演要旨(Web). 2023. 2023

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Patents (3)：

Education (3)：

2001 - 2004 Cardiff University Department of Earth, Ocean and Planetary Sciences
1999 - 2001 Niigata University Graduate School of Science and Technology Earth and Environmental Science
1995 - 1999 Niigata University Faculty of Science Department of Geology

Professional career (1)：

Ph.D. (Cardiff University (UK))

Work history (7)：

2021/04 - 現在 Ehime University Geodynamics Research Center Visiting Professor
2020/10 - 現在 Tohoku University Graduate School of Science Professor
2016/04 - 現在 Ehime University Geodynamics Research Center Professor
2012/04 - 2016/03 Ehime University Geodynamics Reserch Center Associate Professor
2007/04 - 2012/03 Ehime University Geodynamics Research Center Assistant Professor

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Committee career (10)：

2024/08 - 現在 IMA Secretary (interim)
2022/09 - 現在 Japan Association of Mineralogical Sciences Associate Editor of Journal of Mineralogical and Petrological Sciences
2021/01 - 現在 International Mineralogical Association Council member
2020/10 - 現在 JpGU Journal, Progress in Earth and Planetary Science Editor
2018/09 - 現在日本鉱物科学会理事

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Awards (5)：

2017/09 - Japan Association of Mineralogical Sciences Award of Japan Association of Mineralogical Sciences
2016/06 - 岩の力学連合会平成27年岩の力学連合会賞(論文賞)
2012/09 - 日本鉱物科学会第12号論文賞
2011/09 - 日本鉱物科学会第7回研究奨励賞
2002/09 - Universities UK Overseas Research Student Award

Association Membership(s) (6)：

Mineralogical Society of America , American Geophysical Union , Japan Association of Mineralogical Sciences , Japan Geoscience Union , The Japanese Association for Crystal Growth , The Clay Science Society of Japan

※ Researcher’s information displayed in J-GLOBAL is based on the information registered in researchmap. For details, see here.

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