Inflection point in the Debye relaxation time of 2-butyl-1-octanol

We report a striking anomaly in the pressure dependent Debye-relaxation time of the branched monohydroxy alcohol 2-butyl-1-octanol. Evidence of a crossover from slower to faster than exponential pressure dependency was obtained at different temperatures via high pressure broadband dielectric spectro...

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Veröffentlicht in:	The Journal of chemical physics 2018-12, Vol.149 (21), p.214502-214502
Hauptverfasser:	Thoms, Erik, Kołodziej, Sławomir, Wikarek, Michał, Klotz, Stefan, Pawlus, Sebastian, Paluch, Marian
Format:	Artikel
Sprache:	eng
Schlagworte:	Broadband Chemical Physics Crossovers Octanol Physics Pressure dependence Relaxation time Time dependence Viscosity
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container_end_page	214502
container_issue	21
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container_title	The Journal of chemical physics
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creator	Thoms, Erik Kołodziej, Sławomir Wikarek, Michał Klotz, Stefan Pawlus, Sebastian Paluch, Marian
description	We report a striking anomaly in the pressure dependent Debye-relaxation time of the branched monohydroxy alcohol 2-butyl-1-octanol. Evidence of a crossover from slower to faster than exponential pressure dependency was obtained at different temperatures via high pressure broadband dielectric spectroscopy. At the same time, viscosity measurements reveal similar behavior in the viscosity, respectively, the structural relaxation time, indicating a similar origin of the phenomena.
doi_str_mv	10.1063/1.5064757
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subjects	Broadband Chemical Physics Crossovers Octanol Physics Pressure dependence Relaxation time Time dependence Viscosity
title	Inflection point in the Debye relaxation time of 2-butyl-1-octanol
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