Identification of structural relaxation in the dielectric response of water

Jesper Schmidt Hansen, Alexander Kisliuk, Alexei P. Solokov, Catalin Gainaru

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

One century ago pioneering dielectric results obtained for water and n-alcohols triggered the advent of molecular rotation diffusion theory considered by Debye to describe the primary dielectric absorption in these liquids. Comparing dielectric, viscoelastic, and light scattering results, we unambiguously demonstrate that the structural relaxation appears only as a high-frequency shoulder in the dielectric spectra of water. In contrast, the main dielectric peak is related to a supramolecular structure, analogous to the Debye-like peak observed in monoalcohols.
OriginalsprogEngelsk
Artikelnummer237601
TidsskriftPhysical Review Letters
Vol/bind116
Udgave nummer23
Antal sider5
ISSN0031-9007
DOI
StatusUdgivet - 2016

Citer dette

Hansen, Jesper Schmidt ; Kisliuk, Alexander ; Solokov, Alexei P. ; Gainaru, Catalin. / Identification of structural relaxation in the dielectric response of water. I: Physical Review Letters. 2016 ; Bind 116, Nr. 23.
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Identification of structural relaxation in the dielectric response of water. / Hansen, Jesper Schmidt; Kisliuk, Alexander; Solokov, Alexei P.; Gainaru, Catalin.

I: Physical Review Letters, Bind 116, Nr. 23, 237601, 2016.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

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AU - Kisliuk, Alexander

AU - Solokov, Alexei P.

AU - Gainaru, Catalin

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AB - One century ago pioneering dielectric results obtained for water and n-alcohols triggered the advent of molecular rotation diffusion theory considered by Debye to describe the primary dielectric absorption in these liquids. Comparing dielectric, viscoelastic, and light scattering results, we unambiguously demonstrate that the structural relaxation appears only as a high-frequency shoulder in the dielectric spectra of water. In contrast, the main dielectric peak is related to a supramolecular structure, analogous to the Debye-like peak observed in monoalcohols.

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