学術論文
S. Takagi, S. Tracy, In situ XRD observation of the amorphization of feldspars under plate-impact shock compression. AIP Conference Proceedings (in press).
J. Li, Q. Wang, L. Xu, L. Liu, H. Zhang, S. Takagi, K. Ichiyanagi, R. Fukaya, S. Nozawa, J. Hu, In situ observation of the phase transformation kinetics of bismuth during shock release, Chinese Physics B 33, 046401 (2024).
R. Kuwamura, S. Takagi, A. Kyono, Pressure-induced phase transition of oxygen defective perovskite srebrodolskite Ca2Fe2O5, Journal of Mineralogical and Petrological Sciences 118, (2023).
A. Kyono, R. Ikeda, S. Takagi, W. Nishiyasu, Structural evolution of gypsum (CaSO4·2H2O) during thermal dehydration, Journal of Mineralogical and Petrological Sciences (2022).
S. Takagi, K. Ichiyanagi, A. Kyono, N. Kawai, S. Nozawa, N. Ozaki, Y. Seto, T. Okuchi, S. Nitta, S. Okada, K. Miyanishi, K. Sueda, T. Togashi, T. Yabuuchi, Phase transition and melting in zircon by nanosecond shock loading, Physics and Chemistry of Minerals 49, 8 (2022).
S. Takagi, K. Inukai, N. Kawai, S. Nozawa, A. Kyono, R. Fukaya, S. Adachi, K. Ichiyanagi, Visualization of transformation toughening of zirconia ceramics during dynamic fracture, Applied Physics Letters 118, 231901 (2021).
V. Stagno, L. Bindi, S. Takagi, A. Kyono, Can quasicrystals survive in planetary collisions?, Progress in Earth and Planetary Science 8(1) (2021).
S. Takagi, A. Kyono, S. Nozawa, N. Kawai, K. Inukai, R. Fukaya, N. Funamori, S. Adachi, K. Ichiyanagi, In situ observation of the phase transition behavior of shocked baddeleyite, Geophysical Research Letters 47(17), e2020GL089592 (2020).
S. Takagi, K. Ichiyanagi, A. Kyono, S. Nozawa, N. Kawai, R. Fukaya, N. Funamori, S. Adachi, Development of shock-dynamics study with synchrotron-based time-resolved X-ray diffraction using an Nd:glass laser system, Journal of Synchrotron Radiation 27(2) 371 (2020).
Y. Sano, A. Kyono, Y. Yoneda, N. Isaka, S. Takagi, G. Yamamoto, Structure changes of nanocrystalline mackinawite under hydrothermal conditions, Journal of Mineralogical and Petrological Sciences 115(3), 261 (2020).
K. Ichiyanagi, S. Takagi, N. Kawai, R. Fukaya, S. Nozawa, K. G. Nakamura, K.-D. Liss, M. Kimura, S. Adachi, Microstructural deformation process of shock-compressed polycrystalline aluminum, Scientific Reports 9(1) (2019).
S. Takagi, A. Kyono, S. Mitani, N. Sugano, Y. Nakamoto, N. Hirao, X-ray diffraction study of the icosahedral AlCuFe quasicrystal at megabar pressures, Materials Letters 161 (2015).
職歴
東京理科大学 先進工学部 マテリアル創成工学科(2024/4 - 現在)
Carnegie Institution for Science, Postdoctral Fellow(2022/12 - 2024/3)
日本学術振興会 特別研究員PD(受入:KEK 野澤俊介)(2021/4 - 2022/12)
高エネルギー加速器研究機構 物質構造科学研究所 研究員(2020/4 - 2021/3)
日本学術振興会 特別研究員DC(受入:筑波大 興野純)(2018/4 - 2020/3)
兼務等
Carnegie Institution for Science, Collaborative Researcher (host : Sally June Tracy) (2024/4 - 現在)
Carnegie Institution for Science, Visiting Researcher (host : Sally June Tracy) (2021/11 - 2022/12)
物質・材料研究機構 客員研究員(受入:NIMS 宮川仁)(2021/9 - 2022/3)
学歴
博士 筑波大学 2020
修士 筑波大学 2017
学士 筑波大学 2015
放射光・XFEL・レーザー実験課題
LCLS, (L-10186) "Metastable shock-synthesis of the seifertite phase of SiO2" (2024/1)
SACLA, (2022A8064) Direct imaging of a shock-induced dynamic fracture of ceramics using phase contrast imaging and in situ X-ray diffraction (2022/6)
LCLS, (LX83) The Phase Transition Behavior of Shock-loaded Baddeleyite (2022/2)
KEK PF, (2020G584) ジルコンの衝撃変成ダイナミクスの解明(2020/10 - 2022/9)
KEK PF, (2017T002) 時間分解XRD・DXAFSを用いたAlCuFe準結晶形成メカニズムの解明(2017/4 - 2020/3)
プレスリリース・記事
鉱物が一瞬だけ衝撃を受けるとどうなるか プレスリリース (2022/5/9)
時間分解X線回折法による鉱物の衝撃挙動の解明.日本結晶学会誌.63, 4, 253 (2021/12/21)
ジルコニアセラミックスは結晶構造の変化で壊れにくくなる~破壊過程のリアルタイム観察で高靭化モデルを実証~ プレスリリース (2021/6/8)
隕石衝突の規模を鉱物から探る- 高強度レーザーで再現した隕石衝突の瞬間を超高速X線撮影- プレスリリース (2020/9/7)