Hiroki Nakamura

Profile Information

Affiliation: 研究主幹, システム計算科学センター, 国立研究開発法人日本原子力研究開発機構

Degree: Ph.D(Waseda University)

Researcher number: 40350483
J-GLOBAL ID: 201101090839382168
researchmap Member ID: B000000567

Research Areas

Papers

First-principles calculation of mechanical properties of simulated debris Zr_xU_(1−x)O2

Mitsuhiro Itakura, Hiroki Nakamura, Toru Kitagaki, Takanori Hoshino, Masahiko Machida

Journal of Nuclear Science and Technology, 56(9-10) 915-921, Oct 3, 2019 Peer-reviewed
First-principles calculation study on phonon thermal conductivity of thorium and plutonium dioxides: Intrinsic anharmonic phonon-phonon and extrinsic grain-boundary–phonon scattering effects

Hiroki Nakamura, Masahiko Machida

Journal of Nuclear Materials, 519 45-51, Jun, 2019 Peer-reviewed
Development of the ReaxFF Methodology for Electrolyte-Water Systems

Mark V. Fedkin, Yun Kyung Shin, Nabankur Dasgupta, Jejoon Yeon, Weiwei Zhang, Diana Van Duin, Adri C.T. Van Duin, Kento Mori, Atsushi Fujiwara, Masahiko Machida …

Journal of Physical Chemistry A, 123(10) 2125-2141, Mar 14, 2019 Peer-reviewed
Coexisting spin resonance and long-range magnetic order of Eu in EuRbFe4As4

K. Iida, Y. Nagai, S. Ishida, M. Ishikado, N. Murai, A. D. Christianson, H. Yoshida, Y. Inamura, H. Nakamura, A. Nakao …

Physical Review B, 100 014506, 2019 Peer-reviewed
New antiferromagnetic order with pressure-induced superconductivity in EuFe2As2

Shugo Ikeda, Yuu Tsuchiya, Xiao Wei Zhang, Shunji Kishimoto, Takumi Kikegawa, Yoshitaka Yoda, Hiroki Nakamura, Masahiko Machida, James K. Glasbrenner, Hisao Kobayashi

Physical Review B, 98(10), Sep 18, 2018 Peer-reviewed
ミクロ~マクロレベル現象の粒子ベースシミュレーション~課題と展望~第2回第一原理原子・分子シミュレーションの現状と原子力分野での研究進展

町田昌彦, 奥村雅彦, 中村博樹, 山口正剛

ΑΤΟΜΟΣ, 60(9) 552‐556-556, Sep 1, 2018
蛍石型酸化物の熱物性評価

加藤正人, 松本卓, 中村博樹, 町田昌彦

日本原子力学会秋の大会予稿集(CD-ROM), 2018 ROMBUNNO.1D09, Aug 20, 2018
第一原理計算による(Th,Pu)O₂の機械的物性評価

中村博樹, 町田昌彦

日本原子力学会春の年会予稿集(CD-ROM), 2018 ROMBUNNO.2D13, Mar 8, 2018
MOX燃料基礎特性の機構論的統合モデル(3)比熱及び熱伝導率

加藤正人, 森本恭一, 中村博樹, 町田昌彦

日本原子力学会春の年会予稿集(CD-ROM), 2018 ROMBUNNO.3D03, Mar 8, 2018
Defect chemistry and basic properties of non-stoichiometric PuO<inf>2</inf>

Masato Kato, Hiroki Nakamura, Masashi Watanabe, Taku Matsumoto, Masahiko Machida

Defect and Diffusion Forum, 375 57-70, 2017 Peer-reviewed
High-temperature properties of thorium dioxide: A first-principles molecular dynamics study

Nakamura, Hiroki, Machida, Masahiko

JOURNAL OF NUCLEAR MATERIALS, 478 56-60, Sep, 2016 Peer-reviewed
Multi-band Eilenberger Theory of Superconductivity: Systematic Low-Energy Projection

Yuki Nagai, Hiroki Nakamura

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 85(7), Jul, 2016 Peer-reviewed
Effect of magnetism on lattice dynamics in SrFe2As2 using high-resolution inelastic x-ray scattering

N. Murai, T. Fukuda, T. Kobayashi, M. Nakajima, H. Uchiyama, D. Ishikawa, S. Tsutsui, H. Nakamura, M. Machida, S. Miyasaka …

Physical Review B - Condensed Matter and Materials Physics, 93 020301-1-020301-5, Jan, 2016 Peer-reviewed
Phonons of Fe-based superconductor Ca<inf>10</inf>Pt<inf>4</inf>As<inf>8</inf>(Fe<inf>1-x</inf>Pt<inf>x</inf>As)<inf>10</inf>

K. Ikeuchi, Y. Kobayashi, K. Suzuki, M. Itoh, R. Kajimoto, P. Bourges, A. D. Christianson, H. Nakamura, M. Machida, M. Sato

Journal of Physics Condensed Matter, 27(46) 465701\_1-465701\_7, Oct 28, 2015 Peer-reviewed
First-Principles Study of Antimony Doping Effects on the Iron-Based Superconductor CaFe(SbxAs1-x)(2)

Nagai, Yuki, Nakamura, Hiroki, Machida, Masahiko, Kuroki, Kazuhiko

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(9), Sep, 2015 Peer-reviewed
Precise measurement of acoustic phonons in PrFeAsO$_{1-y}$

Fukuda, Tatsuo, Baron, A. Q. R, Uchiyama, Hiroshi, Nakamura, Hiroki, Ishikado, Motoyuki, Machida, Masahiko, Shamoto, Shinichi

SPring-8/SACLA Riyo Kenkyu Seikashu (Research Report) (Internet), 3(2) 290-293, Jul, 2015 Peer-reviewed
First-Principles Calculation of Phonon and Schottky Heat Capacities of Plutonium Dioxide

Nakamura, Hiroki, Machida, Masahiko, Kato, Masato

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(5), May, 2015 Peer-reviewed
Adsorption properties of cesium ions to micaceous clay minerals

Okumura, Masahiko, Nakamura, Hiroki, Machida, Masahiko, Kerisit, Sebastien

ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 249, Mar, 2015 Peer-reviewed
Surface States around a Vortex in Topological Superconductors: Intersection of a Surface and a Vortex

Nagai, Yuki, Nakamura, Hiroki, Machida, Masahiko

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 84(3), Mar, 2015 Peer-reviewed
First-principles calculation studies on cesium in environmental situations: Hydration structures and adsorption on clay minerals

Masahiko Machida, Masahiko Okumura, Hiroki Nakamura, Kazuhiro Sakuramoto

Mathematics and Computations, Supercomputing in Nuclear Applications and Monte Carlo International Conference, M and C+SNA+MC 2015, 4 2966-2977, 2015 Peer-reviewed

Misc.

原子力分野における機能材料開発に資するマルチスケール・マルチフィジックスシミュレーションの基盤構築

町田昌彦, 山田進, 永井佑紀, 中村博樹, 志賀基之

日本原子力研究開発機構JAEA-Review(Web), (2017-023) 125‐127 (WEB ONLY), Feb, 2018
原子力分野における機能材料開発に資するマルチスケール・マルチフィジックスシミュレーションの基盤構築

町田昌彦, 山田進, 永井佑紀, 中村博樹, 小林恵太, 太田幸宏, 志賀基之

日本原子力研究開発機構JAEA-Review(Web), (2016-024) 221‐224 (WEB ONLY), Jan, 2017
鉄系超伝導体La1111系及びBaFe_2(As,P)_2の磁気散乱(鉄系高温超伝導の物理,研究会報告)

石角元志, 永井佑紀, 樹神克明, 梶本亮一, 中村充孝, 稲村泰弘, 水野文夫, 脇本秀一, 中村博樹, 町田昌彦 …

物性研究, 96(5) 574-574, 2011
21pGH-10 Temperature dependence of the superfluid density for iron pnictide superconductors

Nakai N, Nakamura H, Ota Y, Nagai Y, Hayashi N, Machida M

Meeting abstracts of the Physical Society of Japan, 65(1), Mar 1, 2010
21pGH-13 Angular-resolved heat capacity and thermal conductivity for BaFe_2(As_<0.67>P_<0.33>)_2

Nagai Y, Nakamura H, Nakai N, Hayashi N, Machida M

Meeting abstracts of the Physical Society of Japan, 65(1), Mar 1, 2010
28pRH-12 Temperature dependence of the electronic specific heat coefficient for the multi-gap superconductor

Nakai N, Nakamura H, Miyashita M, Nagai Y, Ota Y, Hayashi N, Machida M

Meeting abstracts of the Physical Society of Japan, 64(2), Aug 18, 2009

Presentations

Machine-learning molecular dynamics of simulated fuel materials CaF2

Hiroki Nakamura, Mashiko Machida, Masato Kato

Sep, 2020
Evaluation of high-temperature properties of CaF2 with machine-learning molecular dynamics

Hiroki Nakamura, Mashiko Machida

Mar, 2020
Evaluation of fundamental properties of CaF2 (2) DFT analysis of high-temperature properties

Hiroki Nakamura, Masahiko Machida, Masato Kato

Sep, 2019
First-principles calculations of;olarons in;actinide dioxide

Hiroki Nakamura, Masahiko Machida

Mar, 2019
First-principles calculations of mechanical properties of (Th,Pu)O$_2$

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2018年春の年会, Mar, 2018
A First-principles study of physical properties of nuclear fuel materials

Nakamura, Hiroki

第22回原子力計算科学セミナー, Feb, 2018
First-principles study on point defects in plutonium dioxide

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2017年秋の大会, Sep, 2017
A First-principles study on point defects in plutonium dioxide

Nakamura, Hiroki, Machida, Masahiko

ACTINIDES 2017, Jul, 2017
First-principles calculations of physical properties of MOX fuels

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2017年春の年会, Mar, 2017
A First-principles study on thermal conductivity of actinide dioxides

Nakamura, Hiroki, Machida, Masahiko

Nuclear Materials Conference 2016 (NuMat 2016), Nov, 2016
First-principles calculations of thermal conductivity of nuclear fuels

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2016年秋の大会, Sep, 2016
A Study of thermal conductivity of actinide dioxides based on first-principles molecular dynamics

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2016年春の年会, Mar, 2016
Study of high-temperature behavior of actinide dioxides based on first-principles molecular dynamics

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2015年秋の大会, Sep, 2015
A Monte Carlo simulation study on Sr selectivity in absorbent

Nakamura, Hiroki, Okumura, Masahiko, Kobayashi, Keita, Machida, Masahiko

日本原子力学会2015年春の年会, Mar, 2015
A First-principles study on heat capacity of actinide dioxides

Nakamura, Hiroki, Machida, Masahiko

Nuclear Materials Conference 2014 (NuMat 2014), Oct, 2014
3D-RISM study on adsorption of Cs ions in zeolites

Nakamura, Hiroki, Okumura, Masahiko, Machida, Masahiko

日本原子力学会2014年秋の大会, Sep, 2014
Heat capacity of actinide dioxides based on first-principles calculations

Nakamura, Hiroki, Machida, Masahiko

日本原子力学会2014年春の年会, Mar, 2014
Comparative ab initio calculation studies of hydration structures on Cs and other alkaline metals

Machida, Masahiko, Sakuramoto, Kazuhiro, Okumura, Masahiko, Nakamura, Hiroki, Sato, Yuya, Akutsu, Keiko, Shiga, Motoyuki

3rd International Conference on Molecular Simulation, Nov, 2013
A Monte Carlo simulation study on adsorption of Cs ions in zeolites

Nakamura, Hiroki, Okumura, Masahiko, Machida, Masahiko

日本原子力学会2013年秋の大会, Sep, 2013
Computational analyses of Cs-absorption mechanism in zeolites

Nakamura, Hiroki, Okumura, Masahiko, Machida, Masahiko

第2回環境放射能除染研究発表会, Jun, 2013

Professional Memberships

Research Projects

Development of evaluation method of nuclear fuel thermophysical properties by first-principles calculation using large-scale computing

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Nakamura Hiroki, Machida Masahiko
Elucidation of helium behavior in MA-MOX fuel by use of computational science and control of defect formation

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2011 - Mar, 2014

SERIZAWA Hiroyuki, TAKANO Kimihide, IWAI Takashi, NAKAJIMA Kunihisa, SUZUKI Michito, NAKAMURA Hiroki, MACHIDA Masahiko, HAGA Yoshinori, YAMANAKA Shinsuke, OHISHI Yuji
Research on Quantum Field Theory for Finite Space-Time Systems and Dynamics of Quantum Systems

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas, Grant-in-Aid for Scientific Research on Priority Areas, Japan Society for the Promotion of Science, 2001 - 2006

OHBA Ichiro, NAKAZATO Hiromichi, YAMANAKA Yoshiya, YUASA Kazuya, OTA Yukihiro, MINE Makoto
Study of neutrino-nucleus interactions using a near detector for the neutrino oscillation experiment

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, 2003 - 2004

SAKUDA Makoto, ISHIDA Taku, HAYATO Yoshinari, NAKAMURA Hiroki

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