Ultrafast X-ray absorption study of longitudinal-transverse phonon coupling in electrolyte aqueous solution

Yishuo Jiao; Bernhard W. Adams; Asmus Ougaard Dohn; Klaus Braagaard Møller; Hannes Jonsson; Christoph Rose-Petruck

doi:10.1039/c7cp02978k

Ultrafast X-ray absorption study of longitudinal-transverse phonon coupling in electrolyte aqueous solution

Yishuo Jiao, Bernhard W. Adams, Asmus Ougaard Dohn, Klaus Braagaard Møller, Hannes Jonsson, Christoph Rose-Petruck

Department of Chemistry

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Abstract

Ultrafast X-ray absorption spectroscopy is applied to study the conversion of longitudinal to transverse phonons in aqueous solution. Permanganate solutes serve as X-ray probe molecules that permit the measurement of the conversion of 13.5 GHz, longitudinal phonons to 27 GHz, transverse phonons that propagate with high-frequency sound speed. The experimental results, combined with QM/MM MD simulations, show that the hydrogen bond network around the charged solutes has a glass-like stiffness that persists for at least tens of picoseconds.

Original language	English
Journal	Physical Chemistry Chemical Physics
Volume	19
Issue number	40
Pages (from-to)	27266-27274
ISSN	1463-9076
DOIs	https://doi.org/10.1039/c7cp02978k
Publication status	Published - 2017

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abstract = "Ultrafast X-ray absorption spectroscopy is applied to study the conversion of longitudinal to transverse phonons in aqueous solution. Permanganate solutes serve as X-ray probe molecules that permit the measurement of the conversion of 13.5 GHz, longitudinal phonons to 27 GHz, transverse phonons that propagate with high-frequency sound speed. The experimental results, combined with QM/MM MD simulations, show that the hydrogen bond network around the charged solutes has a glass-like stiffness that persists for at least tens of picoseconds.",

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AU - Jiao, Yishuo

AU - Adams, Bernhard W.

AU - Dohn, Asmus Ougaard

AU - Møller, Klaus Braagaard

AU - Jonsson, Hannes

AU - Rose-Petruck, Christoph

PY - 2017

Y1 - 2017

N2 - Ultrafast X-ray absorption spectroscopy is applied to study the conversion of longitudinal to transverse phonons in aqueous solution. Permanganate solutes serve as X-ray probe molecules that permit the measurement of the conversion of 13.5 GHz, longitudinal phonons to 27 GHz, transverse phonons that propagate with high-frequency sound speed. The experimental results, combined with QM/MM MD simulations, show that the hydrogen bond network around the charged solutes has a glass-like stiffness that persists for at least tens of picoseconds.

AB - Ultrafast X-ray absorption spectroscopy is applied to study the conversion of longitudinal to transverse phonons in aqueous solution. Permanganate solutes serve as X-ray probe molecules that permit the measurement of the conversion of 13.5 GHz, longitudinal phonons to 27 GHz, transverse phonons that propagate with high-frequency sound speed. The experimental results, combined with QM/MM MD simulations, show that the hydrogen bond network around the charged solutes has a glass-like stiffness that persists for at least tens of picoseconds.

U2 - 10.1039/c7cp02978k

DO - 10.1039/c7cp02978k

M3 - Journal article

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SP - 27266

EP - 27274

JO - Physical Chemistry Chemical Physics

JF - Physical Chemistry Chemical Physics

IS - 40

ER -

Ultrafast X-ray absorption study of longitudinal-transverse phonon coupling in electrolyte aqueous solution

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