Nanoscale Dynamics and Transport in Highly Ordered Low-Dimensional Water

Margarita Russina, Gerrit Günther, Veronika Grzimek, Moritz C. Schlegel, Charitomeni M. Veziri, Georgios N. Karanikolos, Takeshi Yamada, Ferenc Mezei

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


Highly ordered and highly cooperative water with properties of both solid and liquid states has been observed by means of neutron scattering in hydrophobic one-dimensional channels with van der Waals diameter of 0.78 nm. We have found that in the initial stages of adsorption water molecules occupy niches close to pore walls, followed later by the filling of the central pore area. Intensified by confinement, intermolecular water interactions lead to the formation of well-ordered hydrogen-bonded water chains and to the onset of cooperative vibrations. On the other hand, the same intermolecular interactions lead to two relaxation processes, the faster of which is the spontaneous position exchange between two water molecules placed 3.2-4 Å from each other. Self-diffusion in an axial pore direction is the result of those spontaneous random exchanges and is substantially slower than the self-diffusion in bulk water.

Original languageBritish English
Pages (from-to)6339-6344
Number of pages6
JournalJournal of Physical Chemistry Letters
Issue number20
StatePublished - 17 Oct 2019


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