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Titolo:
INTERACTION OF MERCURY-VAPOR WITH THIN-FILMS OF GOLD
Autore:
BATTISTONI C; BEMPORAD E; GALDIKAS A; KACIULIS S; MATTOGNO G; MICKEVICIUS S; OLEVANO V;
Indirizzi:
CNR,IST CHIM MAT,POB 10 I-00016 MONTEROTONDO ITALY CNR,IST CHIM MAT I-00016 MONTEROTONDO ITALY UNIV ROME 3,DEPT MECH & AUTOMAT I-00146 ROME ITALY INST SEMICOND PHYS LT-2600 VILNIUS LITHUANIA
Titolo Testata:
Applied surface science
fascicolo: 2, volume: 103, anno: 1996,
pagine: 107 - 111
SICI:
0169-4332(1996)103:2<107:IOMWTO>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
10
Recensione:
Indirizzi per estratti:
Citazione:
C. Battistoni et al., "INTERACTION OF MERCURY-VAPOR WITH THIN-FILMS OF GOLD", Applied surface science, 103(2), 1996, pp. 107-111

Abstract

Thin films of gold deposited on a silicon substrate were used as electrical sensors of mercury vapour. The samples were exposed to mercury vapour at room temperature, changing the Hg concentration and the exposure time. The chemical composition and morphology of the films exposed to mercury vapour were studied by X-ray photoelectron spectroscopy (XPS), secondary ion mass spectroscopy (SIMS), scanning Auger microscopy (SAM) and secondary electron microscopy (SEM). In the samples exposed for a short time, the mercury was adsorbed by thin surface sublayer of Au film. In the case of long exposures, the transformation of the uniform Au film to a dendritic-like coalesced AuHg amalgam occurred, i.e. the morphology of the film was modified irreversibly. This transformation is caused by insufficient adhesion of gold to the substrate.

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Documento generato il 29/11/20 alle ore 10:16:24