期刊
JOURNAL OF CHEMICAL PHYSICS
卷 131, 期 19, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.3259882
关键词
hydrogen bonds; liquid structure; liquid theory; water; X-ray scattering
We report on small-angle x-ray scattering measurements on liquid water aimed at characterizing the pressure evolution of its large-scale structure. Diffraction profiles have been fitted assuming a Lorentzian dependence on the exchanged momentum. As a result, we observe an anomalous behavior of the diffracted intensity that tends to disappear, increasing either the pressure or the temperature. This effect is discussed in detail and imputed to the ability of hydrostatic pressure to weaken hydrogen bonds.
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