Rate processes in interfacial systems near continuous phase transitions

A. A. Kornyshev, A. M. Kuznetsov, U. Stimming, J. Ulstrup

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

4 Zitate (Scopus)

Abstract

Tunneling and activation in reactions at interfaces may be facilitated or hampered depending on the degree of structural ordering. "Scalar" coupling of the reaction with the system structure, independent of the sign of the order parameter, is considered. It is shown that near the temperature of a second-order phase transition such coupling can lead to a singularity of the reaction current as a function of temperature, which appears as a spike or dip in real systems. Experimental data that may be indicative of this effect are discussed.

OriginalspracheEnglisch
Seiten (von - bis)11184-11192
Seitenumfang9
FachzeitschriftJournal of Physical Chemistry
Jahrgang100
Ausgabenummer26
DOIs
PublikationsstatusVeröffentlicht - 27 Juni 1996
Extern publiziertJa

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