Local correlated motions in aqueous solution of sodium chloride

Real-space motions of molecules and ions in an aqueous solution of sodium chloride are studied with high-resolution inelastic x-ray scattering. In this study, we focus on the correlated dynamics of water molecules and salt ions, instead of the instantaneous structure and the rotational and reorienta...

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Bibliographic Details
Published in:Physical review materials 2019-06, Vol.3 (6), Article 065604
Main Authors: Shinohara, Yuya, Dmowski, Wojciech, Iwashita, Takuya, Ishikawa, Daisuke, Baron, Alfred Q. R., Egami, Takeshi
Format: Article
Language:English
Subjects:
BASIC BIOLOGICAL SCIENCES
MATERIALS SCIENCE
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Summary:Real-space motions of molecules and ions in an aqueous solution of sodium chloride are studied with high-resolution inelastic x-ray scattering. In this study, we focus on the correlated dynamics of water molecules and salt ions, instead of the instantaneous structure and the rotational and reorientation dynamics that have been studied using scattering techniques and optical spectroscopy, respectively. The real-space analysis in terms of the Van Hove function illustrates the effect of salt ions to slow down the local correlated dynamics of surrounding water in the hydration shells.
ISSN:2475-9953
2475-9953
DOI:10.1103/PhysRevMaterials.3.065604