https://t.co/P68DrJnAOW
I posted a preprint: We report three new high-pressure ice phases. Structure analysis was tremendously difficult. We carefully solved the structures by powder diffraction + MD simulations. One of them is ‘ice T2’ computationally predicted in 2018.
https://t.co/MCHXfCNpOK
Hiroki Kobayashi et al., Ice IV from Supercooled Water: Reproducible Crystallization, Structure, and Ordering. J. Phys. Chem. C. (2026)
Co-authored paper is out. We used x-ray/neutron diffraction, spectroscopy and theoretical calculations to show that the phase V of FeS cannot incorporate hydrogen at high pressures and temperatures, resolving recent controversies in the planetary science community.
L'article co-écrit est publié!🌟 Nous démontrons par la diffraction, spectroscopie, et simulation que le sulfure de fer (FeS V) est incompatible avec l'hydrogène à hautes températures et pressions. Ceci apporte une réponse claire aux divergences récentes au sein de la communauté.
L'article co-écrit est publié! Nous montrons que la cristallisation de la glace à haute pression peut déclencher des séparations d'énantiomères et de racémates dans les lunes glacées en cours de congélation. Je suis ravi du rôle important de la glace VI! ❄️
https://t.co/oxeAMTOZyb
Mika Yoshioka et al., Enantiomer–Racemate Separation in Alanine Aqueous Solutions Triggered by Crystallization of High-Pressure Ice
M2の𠮷岡さんの仕事です。X線の実験大変でしたが、丁寧な高圧下での溶解度測定が素晴らしく、綺麗にまとまりました👏🏻
Co-authored paper is out. We show that the crystallisation of high-pressure ice may trigger enantiomer-racemate separations in freezing icy moons. Still far from strong astrobiological constraints on homochirality but I’m happy with the results where ice VI plays such a role❄️
https://t.co/oxeAMTOZyb
Mika Yoshioka et al., Enantiomer–Racemate Separation in Alanine Aqueous Solutions Triggered by Crystallization of High-Pressure Ice
M2の𠮷岡さんの仕事です。X線の実験大変でしたが、丁寧な高圧下での溶解度測定が素晴らしく、綺麗にまとまりました👏🏻
https://t.co/oxeAMTOZyb
Mika Yoshioka et al., Enantiomer–Racemate Separation in Alanine Aqueous Solutions Triggered by Crystallization of High-Pressure Ice
M2の𠮷岡さんの仕事です。X線の実験大変でしたが、丁寧な高圧下での溶解度測定が素晴らしく、綺麗にまとまりました👏🏻