Maximum superheating of bulk ice

Marcus Schmeisser, Hristo Iglev, Alfred Laubereau

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

15 Zitate (Scopus)

Abstract

We report on ultrafast temperature jump measurements in neat and isotopically mixed ice using two-color infrared spectroscopy. The OH-stretching vibration is applied for rapid heating and for fast and sensitive spectral probing of local thermodynamics conditions. Shock laser heating of bulk ice leads to substantial superheating of the solid phase. The generated superheated state persists over the monitored time interval of 1.3 ns. A limit of superheating (LS) of bulk ice to TLS = 330 ± 10 K is observed in HDO:D2O (15 M) and neat H2O samples by ultrafast temperature jumps. Within the stated experimental accuracy an isotope effect could not be recognized for this value. The maximum superheating is reduced by increasing the chemical impurities or the initial temperature of the ice sample.

OriginalspracheEnglisch
Seiten (von - bis)171-175
Seitenumfang5
FachzeitschriftChemical Physics Letters
Jahrgang442
Ausgabenummer4-6
DOIs
PublikationsstatusVeröffentlicht - 17 Juli 2007

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