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Titolo:
THE APPEARANCE OF ATHERMAL NUCLEI OF THYMINE AT AU(111) AND THE SHAPEOF CURRENT-TIME TRANSIENTS
Autore:
DONNER C; KIRSTE S; POHLMANN L; BAUMGARTEL H;
Indirizzi:
FREE UNIV BERLIN,INST THEORET & PHYS CHEM,TAKUSTR 3 D-14195 BERLIN GERMANY HAHN MEITNER INST BERLIN GMBH D-14109 BERLIN GERMANY
Titolo Testata:
Chemical physics letters
fascicolo: 3-4, volume: 280, anno: 1997,
pagine: 287 - 295
SICI:
0009-2614(1997)280:3-4<287:TAOANO>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSITIONS; ADSORPTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
C. Donner et al., "THE APPEARANCE OF ATHERMAL NUCLEI OF THYMINE AT AU(111) AND THE SHAPEOF CURRENT-TIME TRANSIENTS", Chemical physics letters, 280(3-4), 1997, pp. 287-295

Abstract

The influence of the prepolarisation potential on the kinetics of two-dimensional phase transitions on solid electrodes is demonstrated by numerical simulations based on a coupled system of four differential equations, which explicitly describes the phase transitions. It is shown that the nucleation rate is a sensible function of prepolarisation conditions and cannot be interpreted solely as a function of the applied potential. The simulations can be used for the interpretation of experimental current-time transients obtained in the 12 mmol thymine/0.1 m NaClO4/D2O system. The results indicate that the nucleation on Au(lll) and similarly on mercury electrodes obey a mechanism which presupposes subcritical cluster distributions at undersaturation conditions. (C) 1997 Elsevier Science B.V.

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Documento generato il 06/07/20 alle ore 08:28:49