Rchr
J-GLOBAL ID：200901076322385018
Update date: Feb. 01, 2024
Hirakata Hiroyuki
ヒラカタ ヒロユキ | Hirakata Hiroyuki
Affiliation and department：
Homepage URL (1)：
http://msr.me.kyoto-u.ac.jp/
Research field (1)：
Machine materials and mechanics
Research theme for competitive and other funds (22)：
- 2020 - 2025 Nanomechanics on rewritable material strength by anomalous electrons
- 2021 - 2023 イモータル材料力学の創成
- 2020 - 2023 Rewriting mechanism of material strength by anomalous electrons
- 2017 - 2020 Mechanics of chemical reaction induced by stress field in multilayered nano-films
- 2017 - 2020 Mechanics of creep fracture in metallic nanostructures
- 2014 - 2019 Essence of Size Effects on Strength of Metallic Nano-Films
- 2016 - 2018 Development of local strain measurement technique using transmission HR-EBSD
- 2014 - 2017 Study on creep properties of nano-materials by using specimens with controlled shape, or stress concentration, and in situ observation
- 2013 - 2017 Fracture mechanics in single digit nanometer scale
- 2014 - 2016 Creation of three-dimensional mechanical elements by controlling anisotropic nanostructures of thin films
- 2014 - 2015 金属超ナノ薄膜の変形と破壊
- 2013 - 2015 Evaluation of large-strain plasticity of nano-films by a hybrid digital image correlation method
- 2011 - 2014 Investigation on Fracture Mechanisms and Size Effects of Nano-Films Using Nano-Mechanical Testing System based upon in-situ Observations and Analyses
- 2011 - 2014 Time-dependent deformation and fracture at interfaces of nanostructures
- 2011 - 2012 Creation of Flexible Nano-Materials
- 2011 - 2012 Fabrication and Mechanical Properties of Nanocomposites by Multiscale Self-Assembly
- 2008 - 2010 Investigation into the degradation mechanism of environmental embrittlement using integrated in-situ nano mechanical testing
- 2008 - 2010 Realization of thin films consisting of structured nanoelements by a self-organization method and evaluation of their mechanical properties
- 2004 - 2008 Interface Strength of Low-Dimensional Small Components
- 2006 - 2007 ナノスプリングの変形特性評価法の開発
- 2004 - 2005 微小構造体の高温界面剥離強度の破壊力学評価
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Papers (108)：
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Hiroki Noda, Shumpei Sakaguchi, Ryoga Fujita, Susumu Minami, Hiroyuki Hirakata, Takahiro Shimada. Electronic strengthening mechanism of covalent Si via excess electron/hole doping. Scientific Reports. 2023. 13. 1
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Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada. Mechanical effect on skyrmion-skyrmion interaction. International Journal of Mechanical Sciences. 2023. 108699-108699
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Tao Xu, Yuuki Ichiki, Kairi Masuda, Yu Wang, Hiroyuki Hirakata, Takahiro Shimada. Ultrasmall Polar Skyrmions and Merons in SrTiO3 Heterostructures by Polaron Engineering. ACS Nano. 2023. 17. 11. 10836-10843
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Yu Wang, Jie Wang, Takayuki Kitamura, Hiroyuki Hirakata, Takahiro Shimada. Dynamic precursor effect: Magnitude-fluctuated coherent spin waves emitted by skyrmions. Acta Materialia. 2023. 250. 118867-118867
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Hiroyuki Hirakata, Shigekazu Homma, Hiroki Noda, Shumpei Sakaguchi, Takahiro Shimada. Effects of excess electrons/holes on fracture toughness of single-crystal Si. Journal of Applied Physics. 2023. 133. 3. 035101-035101
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MISC (125)：
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Takahiro SHIMADA, Le Van LICH, Takayuki KITAMURA, Hiroyuki HIRAKATA. Nontrivial topological polarization field self-ordered in nanoporous ferroelectrics-A phase-field modeling. 2019 MRS Fall Meeting and Exhibits. 2019. EL03.06.18
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Hiroyuki HIRAKATA, Takayuki NAGASHIMA, Kotaro YAMAGUCHI, Takahiro SHIMADA. Size effects on creep and creep fracture mechanisms of single-crystal metallic nanomaterials. 2019 MRS Fall Meeting and Exhibits. 2019. MS01.09.24
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近藤俊之, 三木大輝, 平方寛之, 箕島弘二. 表面酸化層制御サブミクロン銅薄膜の破壊じん性. 破壊力学シンポジウム講演論文集. 2019. 19th
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Takahiro SHIMADA, Tao XU, Takayuki KITAMURA, Hiroyuki HIRAKATA. Multiferroic polarons in doped perovskite oxides. 2018 MRS Fall Meeting and Exhibits. 2018. EP01.03.17
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Hiroyuki HIRAKATA, Takashi KAWAI, Toshiyuki KONDO, Kohji MINOSHIMA. Stress-induced chemical reaction of Ti/Si multilayered nano-films. 2018 MRS Fall Meeting and Exhibits. 2018. NM02.03.22
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Books (2)：
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Fracture Nanomechanics, Second Edition
Pan Stanford 2016
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Fracture Nanomechanics
Pan Stanford 2011
Professional career (1)：
Work history (5)：
- 2017/04 - Kyoto University Department of Mechanical Engineering and Science Professor
- 2008/02 - 2017/03 Osaka University Department of Mechanical Engineering Associate Professor
- 2007/04 - 2008/01 Osaka University Department of Mechanical Engineering Associate Professor
- 2005/04 - 2007/03 Kyoto University Assistant Professor
- 2003/04 - 2005/03 Kyoto University Assistant Professor
Awards (6)：
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