Kazuki Komatsu
Tohoku University
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Publication
Featured researches published by Kazuki Komatsu.
Journal of Neutron Research | 2005
Hiroyuki Kagi; Takaya Nagai; Kazuki Komatsu; T. Okada; Chisato Wada; J. S. Loveday; John B. Parise
Pressure responses of hydrogen bonding interactions were compared between potassium hydrogen carbonate (KHCO3) and sodium hydrogen carbonate (NaHCO3). KHCO3 undergoes a pressure-induced structural change at 2.8 GPa and room temperature whereas no phase transition has been found so far for NaHCO3 up to 11 GPa. KHCO3 exhibits a substantial decrease in the O-H O angle with increasing pressure. This change could be a trigger for the phase transition at 2.8 GPa. By contrast, no significant change in O-H O angle was observed for NaHCO3 up to 7 GPa. Based on the observations using neutron diffraction, X-ray diffraction and vibrational spectroscopy at high pressure, a possible mechanism for the phase transition of KHCO3 is suggested. In addition, the phase boundary of KHCO3 caused by the pressure-induced transition was determined using in situ Raman spectroscopy at high pressure.
Journal of Mineralogical and Petrological Sciences | 2003
Kazuki Komatsu; Takahiro Kuribayashi; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan 2005 Annual Meeting of the Mineralogical Society of Japan | 2005
Keiko Sumioka; Kazuki Komatsu; Takahiro Kuribayashi; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan 2005 Annual Meeting of the Mineralogical Society of Japan | 2005
Kenshi Takahara; Kazuki Komatsu; Takahiro Kuribayashi; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan 2005 Annual Meeting of the Mineralogical Society of Japan | 2005
Kazuki Komatsu; Hiroyuki Kagi; Takahiro Kuribayashi; John B. Parise; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan 2005 Annual Meeting of the Mineralogical Society of Japan | 2005
Takahiro Kuribayashi; Kazuki Komatsu; Keiko Sumioka; Yohei Ikeda; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan Abstracts for the Meeting (2004) of the Mineralogical Society of Japan | 2004
Kazuki Komatsu; Hiroyuki Kagi; Takaya Nagai; Takahiro Kuribayashi; Jhon B. Parise; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan Abstracts for the Meeting (2003) of the Mineralogical Society of Japan | 2003
Kazuki Komatsu; Hiroyuki Kagi; Takahiro Kuribayashi; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan Abstracts for the Meeting (2003) of the Mineralogical Society of Japan | 2003
Hironori Itoh; Kazuki Komatsu; Takahiro Kuribayashi; Toshiro Nagase; Yasuhiro Kudoh
Abstracts for Annual Meeting of the Mineralogical Society of Japan Abstracts for the Meeting (2003) of the Mineralogical Society of Japan | 2003
Taku Okada; Kazuki Komatsu; Kunihiko Hinohara; Tatsuhiko Kawamoto; Hiroyuki Kagi
