Communications: High-pressure dielectric scaling study of a monohydroxy alcohol

Andreas Reiser, Gernot Kasper, Catalin Gainaru, Roland Böhmer

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

Glass forming monohydroxy alcohols show an exponential Debye-type dielectric relaxation, which proceeds slower than the structural relaxation. Dielectric high-pressure measurements of 2-ethyl-1-hexanol reveal that isochronal scaling is violated. Temperature-volume scaling was found to be valid separately for the Debye-type and for the structural relaxation, yielding a scaling exponent of γ≈1.8.

Original languageEnglish
Article number181101
JournalJournal of Chemical Physics
Volume132
Issue number18
DOIs
StatePublished - 2010
Externally publishedYes

Funding

Partial support of this project by the Deutsche Forschungsgemeinschaft under Grant No. BO1301/8-1 is gratefully acknowledged.

FundersFunder number
Deutsche ForschungsgemeinschaftBO1301/8-1

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