Publication List

* indicates the corresponding author

2024

❄️ Hydrogen bond symmetrisation in D2O ice observed by neutron diffraction

Kazuki Komatsu*, Takanori Hattori, Stefan Klotz*, Shinichi Machida, Keishiro Yamashita, Hayate Ito, Hiroki Kobayashi, Tetsuo Irifune, Toru Shinmei, Asami Sano-Furukawa, and Hiroyuki Kagi.

Nature Communications (2024) 15 1 5100
https://www.nature.com/articles/s41467-024-48932-8

💎 High-pressure and high-temperature Raman spectroscopic study of zircon as a pressure scale in hydrothermal DACs

Naoko Takahashi*, Hiroki Kobayashi, and Hiroyuki Kagi.

Journal of Raman Spectroscopy (2024) 55 6 706
https://analyticalsciencejournals.onlinelibrary.wiley.com/doi/10.1002/jrs.6663

2023

❄️ Slightly Hydrogen-Ordered State of Ice IV Evidenced by In-Situ Neutron Diffraction

Hiroki Kobayashi*, Kazuki Komatsu, Hayate Ito, Shinichi Machida, Takanori Hattori, and Hiroyuki Kagi.

The Journal of Physical Chemistry Letters (2023) 14 10664
https://doi.org/10.1021/acs.jpclett.3c02563

We reported crystallographic evidence for the hydrogen ordering in ice IV by neutron diffraction. It shows discontinuous behaviour at 120 K and Rietveld analysis at the low-T side suggests it is a very weak hydrogen ordering structural transition.