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Issue 31, 2017
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Ultrafast X-ray measurements of the glass-like, high-frequency stiffness of aqueous solutions

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Abstract

The ultrafast dynamics of the domains surrounding solutes in aqueous solution were measured using laser-generating GHz phonons inside of 30 mM ferrocyanide solutions and the resulting molecular motions of the solutes and their hydrogen-bonded solvation shells were detected using ultrafast X-ray absorption spectroscopy (UXAS). The measurements of the phonon dynamics around the solutes showed that the domains had a glass-like stiffness on a timescale of tens of picoseconds.

Graphical abstract: Ultrafast X-ray measurements of the glass-like, high-frequency stiffness of aqueous solutions

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Publication details

The article was received on 26 Apr 2017, accepted on 12 Jul 2017 and first published on 12 Jul 2017


Article type: Paper
DOI: 10.1039/C7CP02747H
Citation: Phys. Chem. Chem. Phys., 2017,19, 21095-21100
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    Ultrafast X-ray measurements of the glass-like, high-frequency stiffness of aqueous solutions

    Y. Jiao, B. Adams and C. Rose-Petruck, Phys. Chem. Chem. Phys., 2017, 19, 21095
    DOI: 10.1039/C7CP02747H

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